When searching for a gas furnace air conditioner combo, your main goal is to find a system that combines heating and cooling efficiently, saving space and simplifying maintenance. The Goodman 4 Ton 14.5 SEER2 Complete Split System stands out as the overall best for its balance of performance and affordability. For those prioritizing energy savings, the ROVSUN 3 Ton 34000 BTU Ducted Central Air Conditioner with Heat Pump offers impressive SEER ratings. The main tradeoffs in this category often involve balancing upfront costs against long-term efficiency, and compatibility with existing ductwork. Keep reading for a detailed breakdown of each option to help you make the best choice for your home.

14
compared
7
brands
19
max seer2
Which gas furnace air conditioner combo should you buy?
★ Top Pick
Goodman 4 Ton 14.5 SEER2 Compl
Best Overall for Whole-Home Efficiency and Reliability
High SEER2 cooling efficiency (14.5) for lower energy bills
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Homeowners with smaller or medium-sized homes seeking a reliable, energy-efficient system at a more accessible price point
Goodman 2.5 Ton 14 SEER2 Compl
Efficient 14 SEER2 cooling reduces energy bills
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Owners of large homes or commercial spaces needing robust heating and cooling with high efficiency and flexible installation options
ROVSUN 3 Ton 34000 BTU Ducted
High SEER2 rating (19) for substantial energy savings
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Homeowners seeking a high-efficiency heating system with reliable cooling for moderate-sized homes
Goodman 2.5 Ton 13.4 SEER2 Com
Decent 13.4 SEER2 cooling efficiency
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Owners of small to medium-sized homes or apartments seeking high efficiency and easy installation
Goodman 2 Ton 14 SEER2 Complet
Energy-efficient 14 SEER2 cooling
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SEER2 — compared
Goodman 4 Ton 14.5 SEER2 Compl14.5
Goodman 2.5 Ton 14 SEER2 Compl14
ROVSUN 3 Ton 34000 BTU Ducted 19
Goodman 2.5 Ton 13.4 SEER2 Com13.4
Goodman 2 Ton 14 SEER2 Complet14
OxBox by Trane 5 Ton Central A13.4
Goodman 3 Ton 15.2 SEER2 Air C15.2
3 Ton Central Air Conditioner 13.4
Goodman 3 Ton 15.2 SEER2 Compl15.2
Albott 12,000 BTU Mini Split A18
Pros & cons at a glance
Goodman 4 Ton 14.5 SEER2 Compl
✓ High SEER2 cooling efficiency (14.5) for lower energy bills
✗ Higher initial investment compared to smaller systems
Goodman 2.5 Ton 14 SEER2 Compl
✓ Efficient 14 SEER2 cooling reduces energy bills
✗ Limited to standard 80% AFUE furnace, less efficient than higher-end models
ROVSUN 3 Ton 34000 BTU Ducted
✓ High SEER2 rating (19) for substantial energy savings
✗ Requires professional installation, not DIY-friendly
Goodman 2.5 Ton 13.4 SEER2 Com
✓ Decent 13.4 SEER2 cooling efficiency
✗ Requires professional installation
Goodman 2 Ton 14 SEER2 Complet
✓ Energy-efficient 14 SEER2 cooling
✗ Limited cooling capacity for large or very hot spaces
Goodman 100,000 BTU 80% Effici
✓ Includes a 10-year parts and replacement warranty
✗ Cannot be installed as a downflow unit, limiting placement options
OxBox by Trane 5 Ton Central A
✓ Powerful 5-ton cooling capacity suitable for large homes
✗ Heavy unit at 235 pounds, requiring professional installation
Goodman 3 Ton 15.2 SEER2 Air C
✓ High efficiency with 15.2 SEER2, reducing energy bills
✗ Requires professional installation due to split system setup
3 Ton Central Air Conditioner
✓ Energy-efficient cooling and heating performance
✗ Requires professional setup and maintenance
Goodman 2 Ton 14 SEER2 Complet
✓ Includes a high-quality, corrosion-resistant coil
✗ Limited capacity for larger homes or hot climates
Goodman 3 Ton 15.2 SEER2 Compl
✓ High efficiency with 15.2 SEER2 cooling and 80% AFUE heating
✗ Limited details on noise levels may impact quiet operation
ACiQ 3 Ton 13.4 SEER2 40,000 B
✓ Efficient heating and cooling with a high SEER2 rating
✗ Large size may require significant installation space
3.5 Ton Central Air Conditione
✓ Suitable for homes 1800–2200 sq ft
✗ Designed primarily for larger homes, overkill for smaller spaces
Albott 12,000 BTU Mini Split A
✓ Easy DIY installation with pre-wired indoor unit
✗ Power cord not included, requiring additional purchase

Key Takeaways

  • Top systems combine high SEER ratings with reliable furnace performance for energy efficiency.
  • The most versatile options include ducted systems suitable for various home sizes, but may come with higher installation costs.
  • Split systems often provide better customization but can be more complex to install than packaged units.
  • Premium models tend to include multi-speed motors and advanced thermostats, boosting comfort and efficiency.
  • Cost-effective choices often compromise slightly on efficiency or features but suit smaller or budget-conscious homes.
2
Goodman 2.5 Ton 14 SEER2 Compl
Best Value for Smaller Spaces with Reliable Efficiency
1
Goodman 4 Ton 14.5 SEER2 Compl
Best Overall for Whole-Home Efficiency and Reliability
3
ROVSUN 3 Ton 34000 BTU Ducted
Best for Large Spaces and Extreme Temperatures

Our Top Gas Furnace Air Conditioner Combo Picks

Goodman 4 Ton 14.5 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceGoodman 4 Ton 14.5 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceBest Overall for Whole-Home Efficiency and ReliabilityCooling Capacity: 4 TonSEER2: 14.5Furnace Efficiency: 80% AFUEVIEW ON AMAZONSee Our Full Breakdown
Goodman 2.5 Ton 14 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceGoodman 2.5 Ton 14 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceBest Value for Smaller Spaces with Reliable EfficiencyCooling Capacity: 2.5 TonSEER2: 14Furnace BTU: 80,000VIEW ON AMAZONSee Our Full Breakdown
ROVSUN 3 Ton 34000 BTU Ducted Central Air Conditioner with Heat Pump & Inverter System, 19 SEER2 Split AC Unit with Multi-Position Air Handler, Precharged Condenser & Wired Controller, 208/230VROVSUN 3 Ton 34000 BTU Ducted Central Air Conditioner with Heat Pump & Inverter System, 19 SEER2 Split AC Unit with Multi-Position Air Handler, Precharged Condenser & Wired Controller, 208/230VBest for Large Spaces and Extreme TemperaturesCooling Capacity: 34,000 BTUSEER2: 19HSPF2: 9VIEW ON AMAZONSee Our Full Breakdown
Goodman 2.5 Ton 13.4 SEER2 Complete Split System with 60k BTU Furnace and Upflow CoilGoodman 2.5 Ton 13.4 SEER2 Complete Split System with 60k BTU Furnace and Upflow CoilBest for High Efficiency with Premium HeatingCooling Capacity: 2.5 TonSEER2: 13.4Furnace BTU: 60,000VIEW ON AMAZONSee Our Full Breakdown
Goodman 2 Ton 14 SEER2 Complete Split System with 60k BTU Furnace and Upflow CoilGoodman 2 Ton 14 SEER2 Complete Split System with 60k BTU Furnace and Upflow CoilBest Compact System with High Efficiency and Premium HeatingCooling Capacity: 2 TonSEER2: 14Furnace BTU: 60,000VIEW ON AMAZONSee Our Full Breakdown
Goodman 100,000 BTU 80% Efficiency Multi-Speed Single-Stage Upflow/Horizontal Furnace Model GR9S801005CNGoodman 100,000 BTU 80% Efficiency Multi-Speed Single-Stage Upflow/Horizontal Furnace Model GR9S801005CNBest Budget-Friendly Furnace for Upflow and Horizontal InstallationsCapacity: 100,000 BTUEfficiency: 80%Installation Type: Upflow/Horizontal onlyVIEW ON AMAZONSee Our Full Breakdown
OxBox by Trane 5 Ton Central Air Conditioner & 120,000 BTU Gas Furnace System | J5AC3060A1000AA + J962V120DU5SAOxBox by Trane 5 Ton Central Air Conditioner & 120,000 BTU Gas Furnace System | J5AC3060A1000AA + J962V120DU5SABest Large Home System for Energy-Efficient Heating and CoolingCooling Power: 48,000 BTUHeating Capacity: 120,000 BTUSEER2: 13.4VIEW ON AMAZONSee Our Full Breakdown
Goodman 3 Ton 15.2 SEER2 Air Conditioning System with 9-Speed Motor and Free ThermostatGoodman 3 Ton 15.2 SEER2 Air Conditioning System with 9-Speed Motor and Free ThermostatBest High-Efficiency Cooling for Large RoomsRefrigerant: R 410ACooling Power: 48,000 BTUSEER2: 15.2VIEW ON AMAZONSee Our Full Breakdown
3 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 (Oxbox by Trane)3 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 (Oxbox by Trane)Best Mid-Range System with Two-Stage Furnace for Year-Round ComfortCooling Capacity: 3 tonBTU: 80,000SEER2: 13.4VIEW ON AMAZONSee Our Full Breakdown
Goodman 2 Ton 14 SEER2 Complete Split System with 80% AFUE Furnace and Upflow CoilGoodman 2 Ton 14 SEER2 Complete Split System with 80% AFUE Furnace and Upflow CoilBest Compact System for Efficient Cooling and HeatingCooling Capacity: 2 TonSEER: 14Furnace AFUE: 80%VIEW ON AMAZONSee Our Full Breakdown
Goodman 3 Ton 15.2 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceGoodman 3 Ton 15.2 SEER2 Complete Split System with Upflow Coil and 80% AFUE FurnaceBest Overall for Efficiency and ReliabilityCooling Capacity: 3 TonSEER2: 15.2Furnace Efficiency: 80% AFUEVIEW ON AMAZONSee Our Full Breakdown
ACiQ 3 Ton 13.4 SEER2 40,000 BTU Gas Package Unit with Thermostat – R32 Downflow/HorizontalACiQ 3 Ton 13.4 SEER2 40,000 BTU Gas Package Unit with Thermostat - R32 Downflow/HorizontalBest for Durability and Modern RefrigerantCooling Capacity: 40,000 BTUSEER2 Rating: 13.4Refrigerant: R32VIEW ON AMAZONSee Our Full Breakdown
3.5 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 HVAC Replacement System (Oxbox by Trane)3.5 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 HVAC Replacement System (Oxbox by Trane)Best for Larger Homes and Easy ReplacementCooling Capacity: 42,000 BTUHeating Capacity: 80,000 BTUSEER Rating: 13.4VIEW ON AMAZONSee Our Full Breakdown
Albott 12,000 BTU Mini Split Air Conditioner & Heating System with Fast-Fit Set, 115V, 18 SEER2, Ductless Inverter, DIY Install for Bedroom & Living RoomAlbott 12,000 BTU Mini Split Air Conditioner & Heating System with Fast-Fit Set, 115V, 18 SEER2, Ductless Inverter, DIY Install for Bedroom & Living RoomBest for DIY Enthusiasts and Small SpacesBTU: 12,000Voltage: 115VSEER2: 18VIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
gas furnace air conditioner comboCooling CapacitySEER2Warranty
Goodman 4 Ton 14.5 SEER2 Compl4 Ton14.510-year parts
Goodman 2.5 Ton 14 SEER2 Compl2.5 Ton1410-year parts
ROVSUN 3 Ton 34000 BTU Ducted 34,000 BTU19
Goodman 2.5 Ton 13.4 SEER2 Com2.5 Ton13.410-year parts
Goodman 2 Ton 14 SEER2 Complet2 Ton1410-year parts
Goodman 100,000 BTU 80% Effici10-year parts, lifetime compressor
OxBox by Trane 5 Ton Central A13.4
Goodman 3 Ton 15.2 SEER2 Air C15.2
3 Ton Central Air Conditioner 3 ton13.4
Goodman 2 Ton 14 SEER2 Complet2 Ton10-year parts
Goodman 3 Ton 15.2 SEER2 Compl3 Ton15.210-year parts
ACiQ 3 Ton 13.4 SEER2 40,000 B40,000 BTU
3.5 Ton Central Air Conditione42,000 BTU
Albott 12,000 BTU Mini Split A18

More Details on Our Top Picks

  1. Goodman 4 Ton 14.5 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Goodman 4 Ton 14.5 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Best Overall for Whole-Home Efficiency and Reliability

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    This Goodman system stands out for providing a balanced mix of high efficiency, durability, and a comprehensive package suitable for larger homes. Compared with the 2.5-ton models, it offers significantly higher cooling capacity, making it ideal for bigger spaces, but it comes with a higher upfront cost and requires professional installation. Its 14.5 SEER2 rating and 80% AFUE furnace deliver reliable year-round performance, while the corrosion-resistant components extend system lifespan. The inclusion of a durable coil and a 10-year warranty adds peace of mind, though the system’s size and complexity could be a challenge for smaller installations or less experienced installers.

    Pros:
    • High SEER2 cooling efficiency (14.5) for lower energy bills
    • Reliable 80% AFUE furnace suitable for cold climates
    • Complete system with durable, corrosion-resistant components
    • 10-year parts warranty for long-term peace of mind
    Cons:
    • Higher initial investment compared to smaller systems
    • Requires professional, possibly complex installation
    • Limited details on noise levels or specific model features

    Best for: Homeowners with larger living spaces seeking a reliable, energy-efficient combo that covers both heating and cooling needs without frequent upgrades

    Not ideal for: Small apartments or homes where space is tight, given the system’s size and installation complexity

    • Cooling Capacity:4 Ton
    • SEER2:14.5
    • Furnace Efficiency:80% AFUE
    • Furnace BTU:80,000
    • Coil Type:Upflow
    • Warranty:10-year parts
    Our verdict
    “This system is best suited for larger homes where efficiency, reliability, and long-term durability outweigh initial costs.”
  2. Goodman 2.5 Ton 14 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Goodman 2.5 Ton 14 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Best Value for Smaller Spaces with Reliable Efficiency

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    This 2.5-ton Goodman system offers a solid balance of efficiency and affordability, perfect for moderate-sized homes or upgrades where budget matters. Compared to the larger 4-ton system, it provides enough cooling capacity for smaller rooms, but may struggle with very hot or large spaces. Its 14 SEER2 rating and 80% AFUE furnace ensure steady energy savings and dependable heating, while the corrosion-resistant coil enhances longevity. The inclusion of installation accessories simplifies setup, but the system’s 80% AFUE, while reliable, is less efficient than premium models like the 96% units, leading to slightly higher operating costs over time.

    Pros:
    • Efficient 14 SEER2 cooling reduces energy bills
    • Reliable 80% AFUE heating with multi-speed blower
    • Corrosion-resistant coil enhances durability
    • Complete system with installation accessories included
    Cons:
    • Limited to standard 80% AFUE furnace, less efficient than higher-end models
    • Requires professional installation for optimal performance
    • Less suited for very large or extreme climate conditions

    Best for: Homeowners with smaller or medium-sized homes seeking a reliable, energy-efficient system at a more accessible price point

    Not ideal for: Large homes or spaces with extreme heating or cooling demands, where larger capacity or higher efficiency would be beneficial

    • Cooling Capacity:2.5 Ton
    • SEER2:14
    • Furnace BTU:80,000
    • AFUE:80%
    • System Type:Split System
    • Warranty:10-year parts
    Our verdict
    “This system offers dependable performance for smaller homes while balancing cost and efficiency effectively.”
  3. ROVSUN 3 Ton 34000 BTU Ducted Central Air Conditioner with Heat Pump & Inverter System, 19 SEER2 Split AC Unit with Multi-Position Air Handler, Precharged Condenser & Wired Controller, 208/230V

    ROVSUN 3 Ton 34000 BTU Ducted Central Air Conditioner with Heat Pump & Inverter System, 19 SEER2 Split AC Unit with Multi-Position Air Handler, Precharged Condenser & Wired Controller, 208/230V

    Best for Large Spaces and Extreme Temperatures

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    The ROVSUN 3-ton inverter system offers high energy efficiency at 19 SEER2, paired with powerful heating and cooling for big rooms or commercial spaces. Its inverter technology adjusts output based on demand, reducing utility bills compared to traditional systems like the Goodman 2.5-ton, especially in fluctuating temperatures. The flexible installation options and precharged condenser facilitate professional setup, but the system’s size and complexity might be overkill for smaller homes, and the higher initial investment is a consideration. This system excels in extreme climates, providing consistent comfort regardless of outdoor conditions.

    Pros:
    • High SEER2 rating (19) for substantial energy savings
    • Powerful 34,000 BTU capacity suitable for large spaces
    • Inverter technology provides precise temperature control
    • Reliable performance in extreme temperatures
    Cons:
    • Requires professional installation, not DIY-friendly
    • Higher initial cost compared to smaller units
    • Requires receiving two separate boxes for setup

    Best for: Owners of large homes or commercial spaces needing robust heating and cooling with high efficiency and flexible installation options

    Not ideal for: Small homes or spaces with limited access for professional installation, due to size and cost

    • Cooling Capacity:34,000 BTU
    • SEER2:19
    • HSPF2:9
    • Voltage:208/230V
    • Refrigerant:R454B
    • Temperature Range:Cooling up to 125°F, Heating down to -5°F
    Our verdict
    “This system suits large or commercial spaces where energy efficiency and reliable climate control are priorities.”
  4. Goodman 2.5 Ton 13.4 SEER2 Complete Split System with 60k BTU Furnace and Upflow Coil

    Goodman 2.5 Ton 13.4 SEER2 Complete Split System with 60k BTU Furnace and Upflow Coil

    Best for High Efficiency with Premium Heating

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    This Goodman configuration combines a 13.4 SEER2 cooling capacity with a high-efficiency 96% AFUE furnace, making it a smart choice for homeowners prioritizing cost-effective energy use. Compared to systems with lower AFUE ratings, this model offers significant savings on heating bills, but its slightly lower SEER rating compared to premium systems like 19 SEER2 units means it may not cut energy costs as sharply in cooling. Its durable components and quiet operation add to its appeal, though the upfront cost might be a barrier for budget-conscious buyers. It’s a well-rounded choice for those wanting high-efficiency heating paired with decent cooling.

    Pros:
    • High AFUE (96%) for lower heating costs
    • Decent 13.4 SEER2 cooling efficiency
    • Durable, corrosion-resistant components
    • Quiet blower operation
    Cons:
    • Requires professional installation
    • Higher initial cost compared to less efficient models
    • Less advanced cooling efficiency than 19 SEER2 systems

    Best for: Homeowners seeking a high-efficiency heating system with reliable cooling for moderate-sized homes

    Not ideal for: Homes in extremely hot climates where higher SEER ratings could lead to greater savings

    • Cooling Capacity:2.5 Ton
    • SEER2:13.4
    • Furnace BTU:60,000
    • AFUE:96%
    • System Type:Split System
    • Warranty:10-year parts
    Our verdict
    “This system suits buyers who prioritize high-efficiency heating with reliable cooling in moderate climates.”
  5. Goodman 2 Ton 14 SEER2 Complete Split System with 60k BTU Furnace and Upflow Coil

    Goodman 2 Ton 14 SEER2 Complete Split System with 60k BTU Furnace and Upflow Coil

    Best Compact System with High Efficiency and Premium Heating

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    This Goodman 2-ton system offers a reliable, energy-efficient solution with 14 SEER2 cooling and a 96% AFUE furnace, making it ideal for smaller homes or apartments. Compared to larger systems like the 4-ton model, it’s more space-efficient and easier to install, but it provides less cooling capacity, so it’s better suited for less demanding environments. The high AFUE rating ensures lower heating costs, and the corrosion-resistant components promise longevity. However, the smaller capacity could limit effectiveness in very hot or large spaces, and the system’s price might be less attractive for those on a tight budget.

    Pros:
    • Energy-efficient 14 SEER2 cooling
    • High AFUE of 96% for lower heating bills
    • Compact size and easy installation
    • Durable, corrosion-resistant components
    Cons:
    • Limited cooling capacity for large or very hot spaces
    • Requires professional installation
    • Higher initial cost relative to capacity

    Best for: Owners of small to medium-sized homes or apartments seeking high efficiency and easy installation

    Not ideal for: Large homes or spaces with high cooling loads, where capacity limits could result in insufficient comfort

    • Cooling Capacity:2 Ton
    • SEER2:14
    • Furnace BTU:60,000
    • AFUE:96%
    • System Type:Split System
    • Warranty:10-year parts
    Our verdict
    “This system is ideal for smaller spaces where efficiency, durability, and ease of installation are priorities.”
  6. Goodman 100,000 BTU 80% Efficiency Multi-Speed Single-Stage Upflow/Horizontal Furnace Model GR9S801005CN

    Goodman 100,000 BTU 80% Efficiency Multi-Speed Single-Stage Upflow/Horizontal Furnace Model GR9S801005CN

    Best Budget-Friendly Furnace for Upflow and Horizontal Installations

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    This furnace stands out for offering reliable 80% efficiency at an affordable price, making it an attractive choice for budget-conscious homeowners. Compared with higher-efficiency models like the Goodman 2 Ton 14 SEER2 system, its lower efficiency means slightly higher operating costs over time, but its straightforward design and durable stainless steel heat exchanger add value for those needing dependable heating without premium features. Its compatibility with upflow or horizontal installations suits many existing setups, but it can’t be installed as a downflow unit, limiting flexibility. The 10-year parts and replacement warranty provides peace of mind, though its weight of 175 pounds requires proper handling during installation.

    Pros:
    • Affordable price point for reliable 80% efficiency heating
    • Includes a 10-year parts and replacement warranty
    • Suitable for upflow or horizontal installation
    Cons:
    • Cannot be installed as a downflow unit, limiting placement options
    • Heavy weight (175 pounds) requiring proper handling during installation
    • Additional accessories sold separately, increasing total cost

    Best for: Homeowners seeking a cost-effective, reliable furnace for upflow or horizontal setups, especially in existing duct systems.

    Not ideal for: Those looking for high-efficiency or downflow furnace options, or with limited capacity needs, as this model is more suited for moderate heating loads.

    • Capacity:100,000 BTU
    • Efficiency:80%
    • Installation Type:Upflow/Horizontal only
    • Warranty:10-year parts, lifetime compressor
    • Weight:175 pounds
    • Dimensions:28 x 21 x 34 inches
    Our verdict
    “This furnace makes sense for budget-conscious homeowners needing a sturdy, straightforward heating solution in upflow or horizontal configurations.”
  7. OxBox by Trane 5 Ton Central Air Conditioner & 120,000 BTU Gas Furnace System | J5AC3060A1000AA + J962V120DU5SA

    OxBox by Trane 5 Ton Central Air Conditioner & 120,000 BTU Gas Furnace System | J5AC3060A1000AA + J962V120DU5SA

    Best Large Home System for Energy-Efficient Heating and Cooling

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    This comprehensive system suits large homes needing substantial heating and cooling capacity, with a 5-ton AC and a 120,000 BTU two-stage furnace, providing consistent comfort. Unlike the smaller Goodman systems, its size and power are tailored for properties over 2,600 square feet, making it ideal for bigger households. The 13.4 SEER2 rating ensures reasonable energy efficiency, although it’s not as high as premium models like the Goodman 3 Ton 15.2 SEER2 system. Its two-stage furnace operates quietly and maintains stable temperatures, but its weight of 235 pounds demands professional installation. Its high initial cost may be a drawback for budget buyers, but its reliability and performance justify the investment for larger spaces.

    Pros:
    • Powerful 5-ton cooling capacity suitable for large homes
    • Two-stage furnace offers quieter operation and better temperature control
    • Reliable Trane-backed system with a proven track record
    Cons:
    • Heavy unit at 235 pounds, requiring professional installation
    • Higher upfront cost compared to smaller systems
    • Noise level of 76 decibels may be noticeable during operation

    Best for: Owners of large, multi-zone homes seeking a robust, energy-efficient HVAC upgrade with proven brand reliability.

    Not ideal for: Small or medium-sized homes with limited space or lower heating/cooling needs, as this system might be overkill and more expensive than necessary.

    • Cooling Power:48,000 BTU
    • Heating Capacity:120,000 BTU
    • SEER2:13.4
    • Furnace AFUE:96%
    • Refrigerant:R454B
    • Installation Type:Split system
    Our verdict
    “This system fits large households prioritizing dependable, efficient performance despite a higher price and installation effort.”
  8. Goodman 3 Ton 15.2 SEER2 Air Conditioning System with 9-Speed Motor and Free Thermostat

    Goodman 3 Ton 15.2 SEER2 Air Conditioning System with 9-Speed Motor and Free Thermostat

    Best High-Efficiency Cooling for Large Rooms

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    This Goodman system excels in energy savings with a high 15.2 SEER2 rating, making it ideal for homeowners aiming to reduce running costs. The inclusion of a free thermostat and a 9-speed motor allows for precise climate control and quiet operation, outperforming basic single-speed units like the Goodman 2 Ton 14 SEER2. However, its split system configuration requires professional installation, and limited information on noise levels or warranty details leaves some questions about long-term reliability. It’s best suited for those with larger living spaces who want high efficiency without the premium cost of top-tier brands.

    Pros:
    • High efficiency with 15.2 SEER2, reducing energy bills
    • Includes a free thermostat for added value
    • Nine-speed motor provides quiet, precise cooling
    Cons:
    • Requires professional installation due to split system setup
    • Limited details on noise levels and warranty
    • No information on compatibility with existing ductwork

    Best for: Large-room owners seeking energy-efficient cooling with advanced control features and cost savings over less efficient models.

    Not ideal for: Homeowners preferring ductless or simpler systems, or those with limited budgets who might find installation costs prohibitive.

    • Refrigerant:R 410A
    • Cooling Power:48,000 BTU
    • SEER2:15.2
    • Application:Large rooms, homes
    • Control Method:Remote, touch
    • Wattage:3500 watts
    Our verdict
    “This system suits those seeking high-efficiency cooling with advanced controls in larger spaces willing to accommodate professional installation costs.”
  9. 3 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 (Oxbox by Trane)

    3 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 (Oxbox by Trane)

    Best Mid-Range System with Two-Stage Furnace for Year-Round Comfort

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    This Oxbox system combines a 3-ton AC and an 80,000 BTU two-stage furnace, offering solid energy efficiency and reliable performance for moderate-sized homes. Its 13.4 SEER2 rating balances efficiency with cost, and the two-stage furnace provides quieter operation and more consistent temperatures compared to single-stage models like the Goodman 2 Ton 14 SEER2. The environmentally friendly R454B refrigerant aligns with future regulations, but the system’s potentially high initial cost and professional installation needs could be barriers for some buyers. Compared to the Goodman 2 Ton 14 SEER2, it offers greater capacity and dual-stage comfort, but at a higher price point.

    Pros:
    • Energy-efficient cooling and heating performance
    • Two-stage furnace for quieter, more stable operation
    • Environmentally friendly refrigerant meeting future standards
    Cons:
    • Potentially high initial installation cost
    • Requires professional setup and maintenance
    • Limited details on system warranty or noise levels

    Best for: Homeowners seeking a reliable, efficient all-season HVAC system with a two-stage furnace for better temperature stability.

    Not ideal for: Budget buyers or those with very small homes, as the higher capacity and installation costs may be unnecessary.

    • Cooling Capacity:3 ton
    • BTU:80,000
    • SEER2:13.4
    • Furnace AFUE:96%
    • Refrigerant:R454B
    • Furnace Type:Two-stage
    Our verdict
    “This system is ideal for those wanting a balanced, reliable year-round HVAC with two-stage comfort features and moderate efficiency.”
  10. Goodman 2 Ton 14 SEER2 Complete Split System with 80% AFUE Furnace and Upflow Coil

    Goodman 2 Ton 14 SEER2 Complete Split System with 80% AFUE Furnace and Upflow Coil

    Best Compact System for Efficient Cooling and Heating

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    This Goodman 2-ton system offers a balanced mix of energy efficiency and compact design, making it suitable for smaller homes or spaces where installation flexibility matters. Its 14 SEER2 rating ensures lower energy bills compared to less efficient units like the Goodman 3 Ton 15.2 SEER2. The 80% AFUE furnace with a multi-speed ECM blower improves comfort and efficiency, while the included upflow coil simplifies installation. However, it requires professional setup, and its limited capacity may not meet larger home needs. Also, the lack of detailed warranty or noise level information suggests it’s better for buyers who prioritize space-saving solutions.

    Pros:
    • Efficient 14 SEER2 cooling reduces energy costs
    • Includes a high-quality, corrosion-resistant coil
    • Compact design suitable for limited spaces
    Cons:
    • Limited capacity for larger homes or hot climates
    • Requires professional installation due to split system setup
    • No specific warranty or noise level details provided

    Best for: Small to medium-sized homes or apartments seeking a balanced, space-efficient HVAC system with reliable performance.

    Not ideal for: Larger homes or those needing higher cooling capacity, as this system’s 2-ton size may be insufficient for bigger spaces.

    • Cooling Capacity:2 Ton
    • SEER:14
    • Furnace AFUE:80%
    • Furnace BTU:80,000 BTU
    • Coil Type:Upflow
    • Warranty:10-year parts
    Our verdict
    “This compact, efficient system suits smaller homes or apartments where space is limited but reliable heating and cooling are needed.”
  11. Goodman 3 Ton 15.2 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Goodman 3 Ton 15.2 SEER2 Complete Split System with Upflow Coil and 80% AFUE Furnace

    Best Overall for Efficiency and Reliability

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    This Goodman system stands out for combining a high 15.2 SEER2 cooling efficiency with a solid 80% AFUE furnace, making it a versatile choice for those seeking long-term savings. Compared to the Oxbox by Trane 3.5-ton system, it offers slightly better efficiency and a comprehensive 10-year parts warranty, though it requires professional installation and may need compatibility checks for existing ductwork. Its durable aluminum coil and corrosion-resistant components contribute to longevity, but the lack of detailed noise information could be a concern for quiet operation in bedrooms. This pick is ideal for homeowners prioritizing energy savings and dependable performance.

    Pros:
    • High efficiency with 15.2 SEER2 cooling and 80% AFUE heating
    • Durable, corrosion-resistant components
    • Includes comprehensive warranty and install accessories
    Cons:
    • Requires professional installation, which can be costly
    • Limited details on noise levels may impact quiet operation

    Best for: Homeowners seeking a reliable, high-efficiency HVAC combo with long-term warranty coverage.

    Not ideal for: Buyers with limited space or those looking for a system requiring minimal professional installation, due to its installation complexity.

    • Cooling Capacity:3 Ton
    • SEER2:15.2
    • Furnace Efficiency:80% AFUE
    • Furnace BTU:80,000 BTU
    • Coil Material:Corrosion-resistant aluminum
    • Warranty:10-year parts
    Our verdict
    “This system is best suited for homeowners prioritizing efficiency and long-term durability in a reliable package.”
  12. ACiQ 3 Ton 13.4 SEER2 40,000 BTU Gas Package Unit with Thermostat – R32 Downflow/Horizontal

    ACiQ 3 Ton 13.4 SEER2 40,000 BTU Gas Package Unit with Thermostat - R32 Downflow/Horizontal

    Best for Durability and Modern Refrigerant

    View on Amazon

    This ACiQ package offers a balanced 13.4 SEER2 rating and R32 refrigerant, making it an eco-friendlier choice compared to older systems. Its galvanized steel construction with UV-resistant coating ensures durability, but its large size—51″D x 47″W x 34.5″H—may pose installation challenges, especially in tight spaces. Unlike the Goodman system, it includes a user-friendly remote thermostat, simplifying user control. While its heavy weight may complicate setup, it suits those who want a robust, energy-efficient system with minimal maintenance. This model fits best for residential or light commercial applications where durability outweighs space constraints.

    Pros:
    • Efficient heating and cooling with a high SEER2 rating
    • Heavy-duty galvanized steel construction
    • Includes a remote control thermostat
    Cons:
    • Large size may require significant installation space
    • No programmable thermostat included
    • Heavy weight complicates installation

    Best for: Homeowners or small business owners needing a durable, modern system with eco-friendly refrigerant options.

    Not ideal for: Those with limited installation space or seeking a system with a built-in programmable thermostat, due to its size and non-programmable controls.

    • Cooling Capacity:40,000 BTU
    • SEER2 Rating:13.4
    • Refrigerant:R32
    • AFUE:81%
    • Dimensions:51″D x 47″W x 34.5″H
    • Weight:410 Pounds
    Our verdict
    “This choice is best for buyers prioritizing durability and eco-friendly refrigerant use over space-saving features.”
  13. 3.5 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 HVAC Replacement System (Oxbox by Trane)

    3.5 Ton Central Air Conditioner System with 80,000 BTU Gas Furnace – 13.4 SEER2 HVAC Replacement System (Oxbox by Trane)

    Best for Larger Homes and Easy Replacement

    View on Amazon

    The Oxbox by Trane system targets medium to large homes, with a 3.5-ton AC and 80,000 BTU furnace, offering reliable performance backed by the Trane reputation. Its 13.4 SEER2 rating aligns with upcoming efficiency standards, making it suitable for upgrades. Compared to smaller systems, it provides greater capacity for larger living spaces, but this makes it less ideal for smaller homes or apartments. The absence of price data and customer reviews makes it harder to assess value, though Trane’s proven track record suggests solid reliability. This system is best suited for those upgrading larger homes with existing ductwork that need dependable, straightforward installation.

    Pros:
    • Suitable for homes 1800–2200 sq ft
    • Reliable Trane-backed performance
    • Compatible with existing duct systems for easy upgrade
    Cons:
    • Designed primarily for larger homes, overkill for smaller spaces
    • No price or detailed customer feedback available
    • Potentially higher cost due to capacity and brand

    Best for: Homeowners with medium to large properties seeking an easy-to-replace, trusted system with ample capacity.

    Not ideal for: Small-space dwellers or those with budget constraints, as its capacity and potentially higher cost may be overkill and less affordable.

    • Cooling Capacity:42,000 BTU
    • Heating Capacity:80,000 BTU
    • SEER Rating:13.4
    • Coverage Area:1800–2200 sq ft
    • Brand:Oxbox by Trane
    • Suitable For:Medium to large homes
    Our verdict
    “This system fits well for larger homes needing a trusted, straightforward HVAC upgrade without complex customization.”
  14. Albott 12,000 BTU Mini Split Air Conditioner & Heating System with Fast-Fit Set, 115V, 18 SEER2, Ductless Inverter, DIY Install for Bedroom & Living Room

    Albott 12,000 BTU Mini Split Air Conditioner & Heating System with Fast-Fit Set, 115V, 18 SEER2, Ductless Inverter, DIY Install for Bedroom & Living Room

    Best for DIY Enthusiasts and Small Spaces

    View on Amazon

    This Albott mini split system excels for budget-conscious DIYers needing flexible cooling and heating for spaces up to 750 sq. ft. with an impressive 18 SEER2 rating. Its inverter technology offers quiet operation and energy efficiency, making it ideal for bedrooms or living rooms. The pre-wired indoor unit simplifies installation, but the absence of a power cord and the need for basic electrical skills could be obstacles for complete novices. Compared to larger, ducted systems like Goodman or Oxbox, it’s less suitable for bigger homes or multi-room setups. This model makes the most sense for those comfortable with DIY projects and aiming for efficient, spot cooling or heating.

    Pros:
    • Easy DIY installation with pre-wired indoor unit
    • High 18 SEER2 efficiency reduces energy bills
    • Quiet operation ideal for bedrooms
    Cons:
    • Power cord not included, requiring additional purchase
    • Installation may demand basic electrical skills
    • Limited to 750 sq. ft. coverage

    Best for: DIY homeowners or renters seeking an easy-to-install, energy-efficient system for small spaces.

    Not ideal for: Buyers needing coverage beyond 750 sq. ft. or those without basic electrical skills, due to installation limitations.

    • BTU:12,000
    • Voltage:115V
    • SEER2:18
    • Coverage Area:750 sq. ft.
    • Temperature Range:5°F–122°F
    • Noise Level:under 29dB
    Our verdict
    “This mini split system suits DIY-savvy buyers wanting effective, energy-efficient climate control in small spaces.”
gas furnace air conditioner combo
What makes a great gas furnace air conditioner combo
1
System Capacity and Home Size Compatibility
Matching the system’s capacity to your home’s size is essential to ensure comfort without wasting energy.
2
Energy Efficiency Ratings and Long-Term Savings
Higher SEER ratings for air conditioners and AFUE percentages for furnaces translate into lower energy bills.
3
Compatibility and Installation Considerations
Not all systems will integrate seamlessly with your existing ductwork or electrical setup.
4
Features and User-Friendly Controls
Modern systems often include smart thermostats, multi-speed fans, and zoning options that enhance comfort and control.
How to choose your gas furnace air conditioner combo
1
How we picked
To evaluate these gas furnace air conditioner combos, I focused on key factors that impact real-world performance and us
2
System Capacity and Home Size Compatibility
Matching the system’s capacity to your home’s size is essential to ensure comfort without wasting energy.
3
Energy Efficiency Ratings and Long-Term Savings
Higher SEER ratings for air conditioners and AFUE percentages for furnaces translate into lower energy bills.
4
Compatibility and Installation Considerations
Not all systems will integrate seamlessly with your existing ductwork or electrical setup.
5
Features and User-Friendly Controls
Modern systems often include smart thermostats, multi-speed fans, and zoning options that enhance comfort and control.
Vetted gas furnace air conditioner combo ·
The best gas furnace air conditioner combo, compared
★ Winner Goodman 4 Ton 14.5 SEER2 Compl
Best Overall for Whole-Home Efficiency and Reliability
14compared
19top seer2

How We Picked

To evaluate these gas furnace air conditioner combos, I focused on key factors that impact real-world performance and user satisfaction. Performance metrics like SEER ratings and AFUE percentages reveal energy efficiency, while system capacity ensures suitability for different home sizes. Ease of installation and maintenance, as well as build quality and brand reputation, also played a role. I prioritized options that offer a clear balance of value and reliable operation, ranking systems that excel in efficiency, durability, and user-friendly features higher than those with only basic specs. The goal was to identify systems that serve diverse needs while maintaining quality standards across the board.
Everyday → specialist
Everyday & valuePremium & specialist
Which gas furnace air conditioner combo fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Gas Furnace Air Conditioner Combo

Choosing the right gas furnace and air conditioner combo involves balancing several factors beyond just price or brand. Understanding your home’s size, insulation, and existing ductwork can prevent overspending on capacity or underperforming units. Energy efficiency ratings like SEER and AFUE directly influence your long-term utility bills, so these should be a primary consideration. Compatibility with your current infrastructure, ease of installation, and maintenance requirements also matter. Lastly, consider your budget and how much you’re willing to invest upfront versus savings over time, which can lead to smarter, more satisfying choices.

System Capacity and Home Size Compatibility

Matching the system’s capacity to your home’s size is essential to ensure comfort without wasting energy. Oversized units cycle frequently, leading to inefficiency and wear, while undersized units struggle to meet heating or cooling demands. Carefully measure your space and consult with a professional if needed. Larger homes typically require systems with higher BTU ratings, but other factors like insulation and layout also influence your needs. Picking the right capacity helps maximize efficiency and lifespan, avoiding unnecessary costs down the line.

Energy Efficiency Ratings and Long-Term Savings

Higher SEER ratings for air conditioners and AFUE percentages for furnaces translate into lower energy bills. While premium units tend to cost more initially, their efficiency can significantly reduce ongoing expenses. Be cautious of oversized systems that claim high efficiency but may not operate optimally in your climate or home size. Balancing upfront investment with expected savings is key, especially if you plan to stay in your home long-term. Consider also the availability of rebates or incentives for high-efficiency models, which can offset initial costs.

Compatibility and Installation Considerations

Not all systems will integrate seamlessly with your existing ductwork or electrical setup. Packaged units are often easier to install but require adequate space outside, while split systems offer flexibility but can be more complex to set up. Proper installation is critical to achieving advertised performance; poor installation can lead to inefficiency, noise, and premature failure. Verify that your home’s infrastructure supports the chosen system, and work with qualified professionals to prevent costly mistakes that could impair system longevity.

Features and User-Friendly Controls

Modern systems often include smart thermostats, multi-speed fans, and zoning options that enhance comfort and control. These features can improve energy efficiency and allow for more precise temperature management. However, they tend to increase initial costs, so weigh their benefits against your budget. Simple controls may suffice for smaller or less complex homes, but larger households or those seeking convenience should consider systems with advanced features. User-friendly interfaces and reliable connectivity can make daily operation smoother and more intuitive.

Budget and Long-Term Investment

While it’s tempting to opt for the lowest upfront price, investing in a higher-quality system can pay dividends through increased durability and lower operating costs. Cheaper units may save money initially but often require more repairs or replacements sooner. Establish a clear budget that considers both initial costs and expected lifetime expenses. Don’t forget to include installation, maintenance, and potential rebates into your calculation. A well-chosen system that fits your financial plan and needs will provide better value over time, making it worth the additional investment upfront if necessary.

Frequently Asked Questions

Can I install a gas furnace and air conditioner combo myself?

Installing a gas furnace and air conditioner combo involves complex electrical, gas, and ductwork connections that typically require professional expertise. Improper installation can result in safety hazards, reduced efficiency, and voided warranties. While some mini-split or ductless systems may be more DIY-friendly, most comprehensive combos are best handled by licensed HVAC technicians. Investing in professional installation ensures compliance with local codes, correct system operation, and long-term reliability.

What size system do I need for my home?

Determining the right size depends on your home’s square footage, insulation quality, climate, and existing ductwork. A professional HVAC assessment can provide a precise load calculation, but as a rule of thumb, larger homes require systems with higher BTU ratings. Choosing a system that’s too small can lead to inadequate heating or cooling, while an oversized unit may cycle excessively, wasting energy. Accurate sizing ensures comfort, efficiency, and longevity for your HVAC system.

Are high SEER and AFUE ratings worth the extra cost?

Higher efficiency ratings often translate into substantial savings on utility bills over the system’s lifespan. While initial costs increase with higher SEER and AFUE models, the payback period can be short if you live in a climate with high energy costs. For homeowners planning to stay long-term, investing in more efficient systems makes sense. However, if you plan to sell or move within a few years, the return on investment might be less pronounced, so weigh the upfront expense against your long-term plans.

What maintenance do these systems require?

Regular maintenance includes changing filters, inspecting ductwork, cleaning coils, and checking refrigerant levels. Annual professional tune-ups help maintain efficiency and prevent breakdowns, especially before peak seasons. Gas furnaces also need periodic inspection of the gas lines and combustion components for safety and performance. Proper maintenance extends the lifespan of your system and keeps it running efficiently, saving you money and avoiding inconvenient repairs.

How do I choose between a split system and a packaged unit?

Split systems separate the furnace and air conditioner, offering flexibility for different home layouts and easier access for repairs. Packaged units combine both in a single outdoor cabinet, saving space and simplifying installation, especially in smaller or constrained areas. The choice depends on your home’s size, existing infrastructure, and aesthetic preferences. Generally, split systems are more common for larger or custom setups, while packaged units suit smaller homes or those with limited outdoor space.

Conclusion

For homeowners seeking the best overall performance, the Goodman 4 Ton 14.5 SEER2 Complete Split System offers a reliable balance of efficiency and affordability. Budget-conscious buyers should consider systems like the Goodman 2 Ton 14 SEER2 Complete Split System, which deliver solid performance at a lower cost. Those interested in premium features and the latest tech may prefer the OxBox by Trane 5 Ton System with high SEER ratings and multi-speed capabilities. Beginners or smaller homes will find ductless options like the Albott Mini Split easier to install and operate. Tailor your choice based on your home’s size, budget, and desired features to get the best long-term value and comfort.

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