If you are shopping for a window air conditioner and heat unit, I rank the GE 8,000 BTU Smart Window Air Conditioner as the best overall choice because its inverter and heat-pump design balances comfort, efficiency, and everyday usability. The ROVSUN 12,000 BTU model is my value pick for shoppers who want more cooling capacity and smart controls without moving into the premium tier, while the Keystone 23,200 BTU unit is better suited to very large rooms. The main tradeoffs are heat-pump efficiency versus supplemental resistance heat, 115-volt convenience versus 230-volt power, and low noise versus maximum capacity. Room size also matters because the advertised cooling area may exceed the space that the unit can heat comfortably. Continue reading for the full breakdown and the best match for each buyer type.
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Key Takeaways
- GE earns the top position through balance, not raw output: its heat pump, inverter compressor, and smart controls suit routine year-round use better than higher-capacity supplemental-heat models.
- Heating technology separated the leaders: the GE and TCL heat-pump models offer a stronger efficiency case, while LG, Keystone, Frigidaire, and similar supplemental-heat units are better viewed as coolers with backup warmth.
- Large-room performance comes with an electrical tradeoff: the 23,200-BTU Keystone and 23,000-BTU LG deliver the most cooling muscle, but their 230-volt requirements make installation less flexible.
- Quiet designs are not automatically the best all-season choices: ZAFRO emphasizes 32-dB operation, while the listed Midea U-shaped model does not state a heating mode and needs specification verification before purchase.
- Smart controls did not decide the ranking by themselves: ROVSUN, Soleus Air, TCL, Bonnlo, and several lesser-known models offer Wi-Fi, but heating method, electrical fit, support, and room coverage carry more weight.
| Durastar 8,000 BTU Window Air Conditioner with Heating and Remote Control |  | Best Basic Heat-and-Cool Pick | Cooling Power: 8,000 BTU | Heating Power: 3,500 BTU | Coverage Area: Up to 350 sq. ft. | VIEW ON AMAZON | See Our Full Breakdown |
| GE 8,000 BTU Smart Window Air Conditioner with Heat Pump and Inverter |  | Best Overall for Small Rooms | Cooling Capacity: 8,000 BTU | Room Coverage: Up to 350 sq. ft. | Heating System: Heat pump | VIEW ON AMAZON | See Our Full Breakdown |
| Soleus Air 12,000 BTU Window Air Conditioner with 10,000 BTU Heater, Wi-Fi Enabled, Quiet Operation |  | Best Premium Four-Season Pick | Cooling Capacity: 12,000 BTU | Heating Capacity: 10,000 BTU | Voltage: 115V | VIEW ON AMAZON | See Our Full Breakdown |
| Midea 12,000 BTU U-Shaped Smart Inverter Window Air Conditioner |  | Best Cooling-Only Alternative | Cooling Capacity: 12,000 BTU | Cooling Area: Up to 550 sq. ft. | Noise Level: 32 dBA | VIEW ON AMAZON | See Our Full Breakdown |
| LG 23,000 BTU 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental Heat Function |  | Best for Very Large Rooms | Cooling Capacity: 23,000 BTU | Heating Capacity: 9,200/11,200 BTU | Coverage Area: Up to 1,400 sq. ft. | VIEW ON AMAZON | See Our Full Breakdown |
| ROVSUN 12000 BTU Window Air Conditioner with Heat, Smart Control, and Easy Installation Kit |  | Best for Flexible Smart Control | Cooling Capacity: 12,000 BTU | Recommended Room Size: Up to 550 sq. ft. | Voltage: 208/230V | VIEW ON AMAZON | See Our Full Breakdown |
| Midea 12,000 BTU Window Air Conditioner with Heat for Large Rooms up to 550 Sq Ft |  | Best Overall | Cooling Capacity: 12,000 BTU | Recommended Room Size: Up to 550 sq. ft. | Voltage: 115V | VIEW ON AMAZON | See Our Full Breakdown |
| Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier |  | Best for Extra-Large Rooms | Cooling Capacity: 23,200 BTU | Heating Capacity: 16,000 BTU supplemental heat | Recommended Room Size: Up to 1,500 sq. ft. | VIEW ON AMAZON | See Our Full Breakdown |
| ZAFRO U-Shaped Inverter Window Air Conditioner with Heat, 12000BTU, Ultra Quiet, Smart Control |  | Best for Quiet Bedrooms | Cooling Capacity: 12,000 BTU ASHRAE; 8,100 BTU DOE | Heating Capacity: 8,000 BTU | Noise Level: 32 dB | VIEW ON AMAZON | See Our Full Breakdown |
| LG Window Air Conditioner with Heat LW1223HR White (Renewed) |  | Best Renewed Heating Pick | Cooling Capacity: 12,200 BTU | Heating Capacity: 11,200 BTU | Voltage: 230V | VIEW ON AMAZON | See Our Full Breakdown |
| Frigidaire 8,000 BTU Window Air Conditioner with Supplemental Heat |  | Best for Bedrooms | Cooling Capacity: 8,000 BTU | Coverage Area: Up to 350 sq. ft. | Noise Level: 53 dBA | VIEW ON AMAZON | See Our Full Breakdown |
| TCL 12,000 BTU Q-Series Smart Inverter Window AC with Heat Pump |  | Best Overall | Cooling Capacity: 12,000 BTU | Coverage Area: Up to 550 sq. ft. | Heating System: Heat pump | VIEW ON AMAZON | See Our Full Breakdown |
| 8,000 BTU 4-in-1 Smart Inverter Window Air Conditioner with Heat |  | Best Smart Pick for Small Rooms | Cooling Capacity: 8,000 BTU | Coverage Area: Up to 350 sq. ft. | Functions: Cool, Heat, Dehumidify, Fan | VIEW ON AMAZON | See Our Full Breakdown |
| Garvee 8,000 BTU Window Air Conditioner with Heat, Dehumidifier and Fan |  | Best for a Dedicated Window Setup | Cooling Capacity: 8,000 BTU | Coverage Area: Up to 350 sq. ft. | Functions: Cool, Heat, Dehumidify, Fan | VIEW ON AMAZON | See Our Full Breakdown |
| Bonnlo 18,000 BTU Window Air Conditioner with Heat and Wi-Fi |  | Best for Large Rooms | Cooling Capacity: 18,000 BTU | Heating Capacity: 8,600–10,600 BTU | Coverage Area: Up to 1,000 sq. ft. | VIEW ON AMAZON | See Our Full Breakdown |
| window air conditioner and heat | Cooling Capacity | Voltage | Noise Level |
|---|---|---|---|
| Durastar 8,000 BTU Window Air | — | 115V | — |
| GE 8,000 BTU Smart Window Air | 8,000 BTU | — | — |
| Soleus Air 12,000 BTU Window A | 12,000 BTU | 115V | 38 dB |
| Midea 12,000 BTU U-Shaped Smar | 12,000 BTU | — | 32 dBA |
| LG 23,000 BTU 230V Window-Moun | 23,000 BTU | 230V | 62 dB |
| ROVSUN 12000 BTU Window Air Co | 12,000 BTU | 208/230V | — |
| Midea 12,000 BTU Window Air Co | 12,000 BTU | 115V | 45 dBA |
| Keystone 23,200 BTU Window Air | 23,200 BTU | 230V | — |
| ZAFRO U-Shaped Inverter Window | 12,000 BTU ASHRAE; 8,100 BTU DOE | — | 32 dB |
| LG Window Air Conditioner with | 12,200 BTU | 230V | — |
| Frigidaire 8,000 BTU Window Ai | 8,000 BTU | — | 53 dBA |
| TCL 12,000 BTU Q-Series Smart | 12,000 BTU | 115V | — |
| 8,000 BTU 4-in-1 Smart Inverte | 8,000 BTU | — | 52 dB |
| Garvee 8,000 BTU Window Air Co | 8,000 BTU | 115V | 52 dB |
| Bonnlo 18,000 BTU Window Air C | 18,000 BTU | — | — |
More Details on Our Top Picks
Durastar 8,000 BTU Window Air Conditioner with Heating and Remote Control
I rank the Durastar 8,000 BTU as the straightforward choice for a bedroom, office, or other room up to 350 square feet. Its 3,500 BTU supplemental heater can take the chill off during mild weather, but it cannot replace a primary heating system when temperatures fall sharply. Compared with the GE 8,000 BTU Smart model, the Durastar lacks inverter efficiency, Wi-Fi, and heat-pump operation, making it less flexible but easier for buyers who prefer basic remote controls. The included hardware and weather seals add installation value, although unusual window frames may still need extra materials. I placed it below the smarter GE because efficiency information is missing, yet its simple 115V setup and dual-season capability make it a practical, no-frills option.
Pros:- 8,000 BTU cooling capacity suits bedrooms and home offices
- Supplemental heat adds usefulness during mild cold spells
- Remote control supports convenient temperature changes
- Installation hardware and weather seals are included
Cons:- 3,500 BTU heater is not powerful enough to serve as primary heat
- No energy-efficiency rating is provided
- Nonstandard windows may require additional installation hardware
Best for: Apartment dwellers or homeowners cooling a room up to 350 square feet who only need occasional supplemental warmth and prefer simple controls
Not ideal for: Buyers relying on the unit as their main winter heater or wanting documented efficiency ratings and smart-home control
- Cooling Power:8,000 BTU
- Heating Power:3,500 BTU
- Coverage Area:Up to 350 sq. ft.
- Voltage:115V
- Control:Remote control
- Included Installation Equipment:Installation hardware
- Weather Sealing:Weather seals included
Our verdict“Choose the Durastar for uncomplicated cooling and light seasonal heating in a medium-size room, but skip it if winter performance or smart efficiency is the priority.”
GE 8,000 BTU Smart Window Air Conditioner with Heat Pump and Inverter
The GE 8,000 BTU Smart Window Air Conditioner earns my highest small-room ranking because its heat pump, inverter compressor, and connected controls form a more capable package than the basic Durastar. The heat-pump system operates down to 47°F, giving bedrooms and offices useful shoulder-season heating without relying only on resistance heat. It shuts off automatically at 5°F, however, so a separate winter heat source remains necessary in cold climates. Wi-Fi, Alexa, and Google Assistant support remote scheduling and adjustments, while inverter operation can reduce cycling noise and wasted power. Its 350-square-foot ceiling rules out larger living areas, and installation still demands a compatible 24.5- to 36-inch window. I rank it above Durastar for control and efficiency, but below Soleus Air for heating output.
Pros:- Heat pump supports useful cooling and mild-weather heating
- Inverter technology reduces compressor cycling and energy waste
- Wi-Fi and voice control allow remote adjustments and scheduling
- Quiet operation is well suited to bedrooms
Cons:- Heating is limited to outdoor temperatures of 47°F or warmer
- Automatic shutoff at 5°F prevents use during severe cold
- Coverage stops at 350 square feet
Best for: Smart-home users who need efficient cooling and mild-weather heat in a bedroom, office, or living room no larger than 350 square feet
Not ideal for: Cold-climate households seeking primary winter heat or anyone cooling a room larger than 350 square feet
- Cooling Capacity:8,000 BTU
- Room Coverage:Up to 350 sq. ft.
- Heating System:Heat pump
- Heating Temperature Range:Down to 47°F
- Low-Temperature Shutoff:5°F
- Dimensions:18.19 in. D x 18.98 in. W x 13.31 in. H
- Compatible Window Width:24.5 to 36 in.
- Minimum Window Height:14 in.
- Smart Control:Wi-Fi, Alexa, and Google Assistant
Our verdict“The GE is my pick for buyers who want smart, efficient small-room comfort and already have backup heat for freezing weather.”
Soleus Air 12,000 BTU Window Air Conditioner with 10,000 BTU Heater, Wi-Fi Enabled, Quiet Operation
I place the Soleus Air 12,000 BTU at the premium end because its 10,000 BTU heater comes much closer to balanced year-round performance than Durastar’s 3,500 BTU supplemental function. Its 38 dB sound rating is also far quieter than the 62 dB LG, making it better for bedrooms or shared workspaces. The saddle-mount layout preserves more of the view and allows easier window access, while Wi-Fi adds control from another room. Those benefits come with a demanding fit: compatibility with walls up to 12.5 inches thick must be checked carefully, and saddle installation may be harder than fitting a conventional chassis. Although the inverter compressor can moderate power use, heating and cooling a poorly insulated space will still be costly. For buyers able to manage the setup, this is the strongest heating-to-noise balance here.
Pros:- 10,000 BTU heating output is stronger than most supplemental-heat models
- 38 dB operation suits bedrooms and quiet offices
- Saddle design preserves the view and window access
- Wi-Fi and an inverter compressor add control and efficiency
Cons:- Saddle-mount installation can be complex
- Wall and window dimensions require careful compatibility checks
- Heating costs may remain high in poorly insulated rooms
Best for: Noise-sensitive homeowners who want substantial 115V heating and cooling while preserving their window view
Not ideal for: Renters or DIY beginners who need a lightweight, conventional window installation with few fit checks
- Cooling Capacity:12,000 BTU
- Heating Capacity:10,000 BTU
- Voltage:115V
- Noise Level:38 dB
- Mounting Design:Saddle mount
- Wall Compatibility:Up to 12.5 in. thick
- Connectivity:Wi-Fi enabled
- Compressor:Inverter
- Seasonal Use:Four-season cooling and heating
Our verdict“Pick the Soleus Air when quiet operation, meaningful heat output, and an open view justify a more involved installation.”
Midea 12,000 BTU U-Shaped Smart Inverter Window Air Conditioner
The Midea 12,000 BTU U-Shaped model is the outlier in this heat-and-cool roundup: it provides excellent cooling, but the supplied product data lists no heating function. I include it only as the better choice for buyers who already have dependable room heat and care more about summer noise, efficiency, and window access. At 32 dBA, it is quieter than the 38 dB Soleus Air and far quieter than the 62 dB LG. Its inverter system claims more than 37% energy savings, while Wi-Fi and voice control add scheduling flexibility. The U-shaped chassis also lets the window open after installation. Yet buyers wanting one appliance for both seasons should choose Soleus Air or GE instead. Precise window requirements and a higher feature-driven price narrow its audience despite the 550-square-foot cooling reach.
Pros:- 32 dBA rating is the quietest among these five products
- Cools rooms up to 550 square feet
- Inverter design claims more than 37% energy savings
- U-shaped chassis preserves window-opening access
Cons:- Does not provide the heating function central to this roundup
- Window dimensions must fall within a specific installation range
- Advanced design carries a higher price than basic window units
Best for: Homeowners with an existing heating system who want exceptionally quiet, efficient cooling for a room up to 550 square feet
Not ideal for: Anyone specifically seeking window-based heating, since no heat function is listed for this model
- Cooling Capacity:12,000 BTU
- Cooling Area:Up to 550 sq. ft.
- Noise Level:32 dBA
- Energy Savings:More than 37%
- Certification:Energy Star
- Smart Control:Wi-Fi, Alexa, and Google Assistant
- Compatible Window Type:Single-hung or double-hung
- Compatible Window Width:22 to 36 in.
- Minimum Window Height:13.75 in.
Our verdict“Buy the Midea only if heating is already covered and quiet, energy-conscious cooling matters more than dual-season operation.”
LG 23,000 BTU 230V Window-Mounted Air Conditioner with 9,200/11,200 BTU Supplemental Heat Function
The LG 23,000 BTU Window-Mounted Air Conditioner fills the large-space role, cooling up to 1,400 square feet where the 350-square-foot GE and Durastar models would be badly undersized. Its 9,200/11,200 BTU supplemental heat output can warm a broad living area during cooler weather, though it remains backup heat rather than a full replacement for a furnace. A 230V electrical requirement is the main barrier: many bedrooms and apartments lack the proper outlet, and adding one may require an electrician. At 62 dB, this unit is also much more audible than the 38 dB Soleus Air, so it suits open living areas better than quiet sleeping spaces. Multiple fan speeds improve airflow control, and auto restart restores operation after an outage. I rank it for maximum coverage, not silence or low power demand.
Pros:- 23,000 BTU cooling capacity handles very large rooms
- Supplemental heat provides useful cold-weather support
- Auto restart restores settings after a power failure
- Multiple fan speeds allow more control over airflow
Cons:- Requires a 230V electrical connection
- 62 dB operation is much louder than inverter-based alternatives
- High capacity can produce substantial energy costs
Best for: Homeowners cooling large open rooms up to 1,400 square feet who already have a compatible 230V circuit
Not ideal for: Apartment residents, light sleepers, or buyers without a 230V outlet and professional installation options
- Cooling Capacity:23,000 BTU
- Heating Capacity:9,200/11,200 BTU
- Coverage Area:Up to 1,400 sq. ft.
- Voltage:230V
- Noise Level:62 dB
- Power Recovery:Auto restart
- Airflow Control:Multiple fan speeds
Our verdict“Choose the LG for high-capacity cooling and backup heat in a large space, provided the 230V requirement and higher noise level are acceptable.”
ROVSUN 12000 BTU Window Air Conditioner with Heat, Smart Control, and Easy Installation Kit
ROVSUN 12000 BTU Window Air Conditioner with Heat earns my smart-control pick by combining app and voice operation with five climate modes for a room as large as 550 square feet. That flexibility suits buyers who want one unit for cooling, heating, drying, and air circulation. Compared with the Midea 12,000 BTU model, it covers the same stated area but requires 208/230V power rather than a more accessible 115V outlet. I also find its adjustable speeds and included installation kit more versatile than the simpler renewed LG LW1223HR package. The tradeoff is that ROVSUN supplies no listed noise rating or efficiency figure, making running costs and bedroom comfort harder to judge. Its 26-to-36-inch window requirement is restrictive as well. I rank it behind Midea overall, but its control options remain compelling.
Pros:- App and Alexa or Google voice control support
- Cooling and heating coverage for rooms up to 550 square feet
- Five operating modes and four speed settings
- Installation kit and washable filter included
Cons:- Requires 208/230V electrical service
- Fits only windows within the stated 26-to-36-inch width range
- No published noise or efficiency rating in the supplied data
Best for: I recommend it for smart-home users with a compatible 208/230V circuit who want remote control over several climate modes.
Not ideal for: I would skip it in homes limited to standard 115V outlets or when verified noise and efficiency figures drive the purchase.
- Cooling Capacity:12,000 BTU
- Recommended Room Size:Up to 550 sq. ft.
- Voltage:208/230V
- Operating Modes:Heat, Auto, Cool, Dry, Fan
- Fan Speeds:Auto, High, Medium, Low
- Timer:24 hours
- Controls:App and voice control via Alexa or Google
- Window Compatibility:26 to 36 inches wide; 16-inch height
Our verdict“I would choose this ROVSUN for broad smart control and mode flexibility, provided the window and electrical setup already fit its requirements.”
Midea 12,000 BTU Window Air Conditioner with Heat for Large Rooms up to 550 Sq Ft
Midea 12,000 BTU Window Air Conditioner with Heat takes my top position because it offers the strongest balance of installation accessibility, efficiency, noise control, and smart operation. Its 115V power requirement is easier to accommodate than the 208/230V ROVSUN and LG units, while the 13.3 CEER gives buyers a concrete efficiency benchmark. At 45 dBA, Midea is not as hushed as the 32 dB ZAFRO, yet it remains a more convincing all-around choice than models lacking published noise data. The inverter system also adjusts output rather than relying only on abrupt on-and-off cycles, supporting steadier comfort and lower energy use. Its weakness is winter performance: heating stops below 41°F outdoors, so I would not treat it as a cold-climate furnace substitute. Installation is also limited to suitably sized double-hung windows.
Pros:- Standard 115V operation is easier to accommodate than 230V alternatives
- Inverter technology and a 13.3 CEER support efficient operation
- Published 45 dBA noise rating suits noise-sensitive living spaces
- Smart-home compatibility and included remote provide flexible control
Cons:- Heat-pump operation stops when the outdoor temperature falls below 41°F
- Limited to compatible double-hung windows
- Not as quiet as the 32 dB ZAFRO model
Best for: I recommend it for owners of large rooms who want efficient cooling, mild-weather heating, quiet operation, and standard-voltage installation.
Not ideal for: I would skip it for cold-climate buyers needing heat below 41°F or for rooms without a compatible double-hung window.
- Cooling Capacity:12,000 BTU
- Recommended Room Size:Up to 550 sq. ft.
- Voltage:115V
- CEER:13.3
- Noise Level:45 dBA
- Dimensions:19.41 in. W x 22.17 in. D x 13.9 in. H
- Window Width Compatibility:24 to 38.5 inches
- Included Components:Remote control and installation kit
Our verdict“I rate Midea as the best-balanced choice for large-room cooling and shoulder-season heat when a standard outlet and quiet operation matter.”
Keystone 23,200 BTU Window Air Conditioner with 16,000 BTU Supplemental Heat and Dehumidifier
Keystone 23,200 BTU Window Air Conditioner is my choice for the largest spaces because its stated 1,500-square-foot coverage far exceeds the 550-square-foot limits of the Midea and ROVSUN models. The 16,000 BTU supplemental heater also has more listed heating output than the 8,000 BTU ZAFRO, making Keystone better suited to taking the chill off a broad open area. Dehumidification and fan-only circulation add useful control when full cooling is unnecessary. That capacity comes with harder installation demands: it needs a 230V outlet and a window opening at least 19.5 inches high. More important, the heat function is explicitly supplemental, so I would not rely on it as the sole winter heat source. I place it above smaller units for raw reach, but below them for bedroom use, electrical convenience, and straightforward installation.
Pros:- Highest cooling capacity and room coverage in this five-product batch
- 16,000 BTU supplemental heating output
- Dedicated dehumidification and fan-circulation functions
- Remote control and energy-saving modes
Cons:- Requires a nonstandard 230V outlet
- Heating is supplemental rather than a replacement for primary heat
- Large capacity and minimum window height make installation more demanding
Best for: I recommend it for large living areas, workshops, or open-plan rooms with a 230V outlet and a separate primary heating system.
Not ideal for: I would skip it for bedrooms, standard-outlet homes, or anyone seeking a window unit to serve as the only winter heater.
- Cooling Capacity:23,200 BTU
- Heating Capacity:16,000 BTU supplemental heat
- Recommended Room Size:Up to 1,500 sq. ft.
- Voltage:230V
- Installation Type:Window-mounted
- Minimum Window Height:19.5 inches
- Dehumidifier:Yes
- Remote Control:Included
Our verdict“I would pick Keystone for a very large room where cooling reach outweighs easy installation and supplemental heat is sufficient.”
ZAFRO U-Shaped Inverter Window Air Conditioner with Heat, 12000BTU, Ultra Quiet, Smart Control
ZAFRO U-Shaped Inverter Window Air Conditioner with Heat wins my bedroom category because its U-shaped layout keeps the compressor outside and carries a remarkably low 32 dB noise rating. Midea is already quiet at 45 dBA, but ZAFRO is the stronger candidate when sleep or focused work takes priority. It also offers app, voice, remote, and touch controls, plus heating, drying, Eco, Sleep, and Mute modes. Buyers should read the capacity figures carefully: the advertised 12,000 BTU ASHRAE rating becomes 8,100 BTU under the DOE measure, and its 8,000 BTU heating output trails the renewed LG’s 11,200 BTU figure. The design accommodates windows up to 48 inches wide, though installation can be more involved than with a conventional chassis. I rank it for quiet comfort, not maximum heating muscle or lowest upfront cost.
Pros:- Lowest published noise rating in this batch at 32 dB
- U-shaped design places the compressor outside the room
- App, voice, remote, and touch-panel controls
- Seven modes plus high-capacity moisture removal
Cons:- DOE cooling capacity is only 8,100 BTU despite the 12,000 BTU ASHRAE rating
- 8,000 BTU heating output is lower than the LG LW1223HR rating
- U-shaped installation may be more involved than a conventional window unit
Best for: I recommend it for light sleepers, home-office users, and smart-home households that value very low indoor noise.
Not ideal for: I would skip it for buyers needing stronger heating output or those who want the simplest conventional window installation.
- Cooling Capacity:12,000 BTU ASHRAE; 8,100 BTU DOE
- Heating Capacity:8,000 BTU
- Noise Level:32 dB
- Estimated Annual Energy Cost:$61
- Window Compatibility:24 to 48 inches wide; at least 16-inch opening
- Operating Modes:Cool, Dehumidify, Heat, Fan, Eco, Sleep, Mute
- Moisture Removal:Up to 70 pints per day
- Controls:App, voice, remote, and touch panel
- Additional Features:Child lock, window lock, 24-hour timer, washable filter
Our verdict“I would choose ZAFRO when quiet operation is the deciding factor and moderate heating output is enough.”
LG Window Air Conditioner with Heat LW1223HR White (Renewed)
LG LW1223HR Window Air Conditioner with Heat fills a specific role in my ranking: it offers substantial heating output in a renewed conventional unit. Its 11,200 BTU heating capacity exceeds ZAFRO’s 8,000 BTU rating, while 12,200 BTU of cooling places it alongside the 12,000 BTU ROVSUN and Midea models. I also like the inclusion of dehumidifying and fan modes, which gives the unit a purpose between hot and cold spells. Yet this is a less informative listing than the alternatives: no room-size recommendation, noise rating, window range, or smart-control support is supplied. It also needs 230V service, whereas Midea operates on 115V. Renewed condition may appeal to value-focused buyers, but condition and included accessories should be checked before purchase. I favor LG for heating output, not smart features or installation simplicity.
Pros:- 11,200 BTU heating capacity exceeds the ZAFRO model
- 12,200 BTU cooling output suits substantial cooling loads
- Cooling, heating, fan, and dehumidifying functions
- R32 refrigerant has a lower environmental impact than older common refrigerants
Cons:- Dedicated 230V circuit may require electrical work
- Renewed condition introduces more purchase uncertainty than a new unit
- Listing omits room coverage, noise level, window fit, and smart-control details
Best for: I recommend it for value-minded buyers with a 230V circuit who want stronger listed heating output from a conventional window unit.
Not ideal for: I would skip it for smart-home users, standard-outlet households, or buyers who need published noise and room-coverage guidance.
- Cooling Capacity:12,200 BTU
- Heating Capacity:11,200 BTU
- Voltage:230V
- Refrigerant:R32
- Operating Functions:Cooling, heating, fan, and dehumidifying
- Display:Bright LED
- Energy Features:Energy-saving functions
- Product Condition:Renewed
Our verdict“I would select this renewed LG when heating capacity and potential value matter more than smart controls or detailed performance documentation.”
Frigidaire 8,000 BTU Window Air Conditioner with Supplemental Heat
I rank the Frigidaire 8,000 BTU as the bedroom-friendly choice because its 53 dBA operation, sleep setting, and remote support comfortable overnight use without paying for connected controls. It covers the same 350-square-foot room size as the 8,000 BTU 4-in-1 Smart Window AC, but exchanges that model’s Wi-Fi and voice access for a simpler control scheme from a familiar brand. Eco mode and the 24-hour timer can curb unnecessary runtime, while the washable filter keeps routine upkeep manageable. The main limitation is its supplemental heat: I would treat it as a cool-weather boost, not a replacement for primary heating during harsh winters. Installation may also be less inviting for renters or anyone with an incompatible window.
Pros:- Quiet 53 dBA operation works well in sleeping and working spaces
- Eco, sleep, and timer settings reduce unnecessary runtime
- Five operating modes provide flexible seasonal comfort
- Washable filter lowers recurring maintenance costs
Cons:- No app or voice-assistant control
- Supplemental heat may not replace a dedicated heater in cold climates
- 350-square-foot coverage is too limited for large rooms
Best for: Bedroom and home-office users who want quiet cooling, supplemental warmth, and straightforward remote operation without relying on Wi-Fi
Not ideal for: Smart-home users or people seeking primary winter heat, since it lacks app control and provides supplemental heating
- Cooling Capacity:8,000 BTU
- Coverage Area:Up to 350 sq. ft.
- Noise Level:53 dBA
- Fan Speeds:3
- Operating Modes:Cool, Heat, Dry, Sleep, Eco
- Remote Control:Yes
- Filter:Washable dust filter
Our verdict“I recommend this Frigidaire for a bedroom or office where quiet, uncomplicated cooling and occasional heat matter more than smart controls.”
TCL 12,000 BTU Q-Series Smart Inverter Window AC with Heat Pump
The TCL Q-Series earns my top position by balancing useful room coverage, heat-pump operation, and connected control without demanding a 230V circuit. Its 12,000 BTU output serves up to 550 square feet, giving it a meaningful reach advantage over the 350-square-foot Frigidaire and Garvee models. Compared with the Bonnlo 18,000 BTU, it sacrifices large-room power but gains standard 115V compatibility and a less demanding window-height requirement. Inverter technology should provide steadier temperatures than conventional stop-start compressors, while app, voice, and remote access suit changing schedules. TCL advertises energy savings up to 67%, though actual results depend on climate and usage. Buyers still need a fairly wide window, and anyone cooling close to 1,000 square feet should move to the Bonnlo.
Pros:- Heat-pump design supports efficient heating and cooling
- 12,000 BTU capacity covers rooms up to 550 square feet
- App, voice, and remote controls offer flexible scheduling
- Inverter operation promotes steadier temperatures and lower energy use
Cons:- Requires a window at least 29.5 inches wide and 18.5 inches high
- Lower capacity than the Bonnlo for very large rooms
- Advertised energy savings will vary with usage and weather
Best for: Smart-home owners cooling and heating a medium-size bedroom, living room, or studio from a standard 115V outlet
Not ideal for: Large open-plan spaces approaching 1,000 square feet or windows narrower than 29.5 inches
- Cooling Capacity:12,000 BTU
- Coverage Area:Up to 550 sq. ft.
- Heating System:Heat pump
- Voltage:115V
- Controls:App, voice, and remote
- Claimed Energy Savings:Up to 67%
- Compatible Window Size:29.5–41 inches wide; 18.5 inches high
Our verdict“I would choose the TCL for the strongest blend of medium-room coverage, heat-pump efficiency, smart control, and standard-outlet convenience.”
8,000 BTU 4-in-1 Smart Inverter Window Air Conditioner with Heat
I see the 8,000 BTU 4-in-1 Smart Inverter AC as the strongest connected choice for a room under 350 square feet. Unlike the similarly sized Frigidaire, it adds Wi-Fi, Alexa, and Google Assistant support, letting buyers change settings without reaching for the remote. Its inverter compressor is also designed for smoother output and lower consumption, while cooling, heating, dehumidifying, and fan functions reduce the need for separate seasonal appliances. The TCL Q-Series remains the better choice for spaces above 350 square feet, but this model has a lower-capacity footprint suited to bedrooms and offices. At 52 dB, it should remain reasonably unobtrusive. Its connected features depend on a stable network, however, and the required 26-to-36-inch window opening rules out narrower frames.
Pros:- Wi-Fi, remote, Alexa, and Google Assistant control
- Inverter technology supports steadier and more efficient operation
- Four functions cover cooling, heating, dehumidifying, and air circulation
- 52 dB noise rating suits bedrooms and offices
Cons:- Limited to rooms up to 350 square feet
- Smart functions may be frustrating on an unstable network
- Requires a window between 26 and 36 inches wide
Best for: Alexa or Google Home users who need connected heating, cooling, and humidity control in a bedroom or office up to 350 square feet
Not ideal for: Buyers with unreliable Wi-Fi, narrow windows, or rooms larger than 350 square feet
- Cooling Capacity:8,000 BTU
- Coverage Area:Up to 350 sq. ft.
- Functions:Cool, Heat, Dehumidify, Fan
- Noise Level:52 dB
- Controls:Wi-Fi app, remote, Alexa, Google Assistant
- Refrigerant:R32
- Compatible Window Size:26–36 inches wide; minimum 16-inch height
Our verdict“I favor this model for small-room buyers who value voice control and inverter efficiency more than the TCL’s greater coverage.”
Garvee 8,000 BTU Window Air Conditioner with Heat, Dehumidifier and Fan
The Garvee 8,000 BTU makes my list for buyers planning to leave one unit installed through changing seasons. Cooling, heating, dehumidifying, and fan modes cover the same four jobs as the 8,000 BTU Smart Inverter model, while app and voice controls make adjustments easy from across the room. Its published 730W rating also gives electricity-conscious buyers a useful planning figure. The tradeoff is physical: at 81.4 pounds, this is a poor candidate for frequent removal and may require two people during mounting. It is also far less capable than the TCL Q-Series for rooms beyond 350 square feet. I would choose Garvee when the window measurements are already confirmed and the unit can stay put, but renters who move equipment seasonally should favor a lighter or easier-to-handle alternative.
Pros:- Four operating functions handle cooling, heating, dehumidifying, and circulation
- App and voice control support remote adjustments
- 52 dB operation is suitable for bedrooms and workspaces
- Window mounting kit is included
Cons:- 81.4-pound weight can make installation difficult without help
- Strict 26-to-36-inch window-width requirement limits placement
- 350-square-foot coverage falls short of the TCL and Bonnlo
Best for: Homeowners who can dedicate a compatible window to a four-mode smart unit serving a room up to 350 square feet
Not ideal for: Renters, solo installers, and seasonal users who would struggle to mount or repeatedly move an 81.4-pound appliance
- Cooling Capacity:8,000 BTU
- Coverage Area:Up to 350 sq. ft.
- Functions:Cool, Heat, Dehumidify, Fan
- Noise Level:52 dB
- Voltage:115V
- Wattage:730W
- Dimensions:19.76 x 24.02 x 15.16 inches
- Weight:81.4 pounds
- Compatible Window Size:26–36 inches wide; minimum 16-inch height
Our verdict“I recommend the Garvee for a permanent small-room installation where four-season flexibility outweighs its substantial weight.”
Bonnlo 18,000 BTU Window Air Conditioner with Heat and Wi-Fi
I rank the Bonnlo 18,000 BTU as the large-room specialist because its stated coverage reaches 1,000 square feet, nearly twice the TCL Q-Series rating and far beyond the 8,000 BTU models. That extra cooling capacity suits open living areas, workshops, and oversized studios where smaller units would run for long periods. Wi-Fi, Alexa, Google Assistant, and a 24-hour timer add convenient control over such a powerful appliance. Cooling is the stronger half of the package, though: the listed 8,600–10,600 BTU heating output is well below its cooling rating, so warmth may feel less forceful across the full coverage area. It also requires 230V power and a sizable window. Compared with the TCL, Bonnlo delivers more reach but demands more installation planning and a compatible electrical circuit.
Pros:- 18,000 BTU cooling capacity serves spaces up to 1,000 square feet
- Wi-Fi, Alexa, Google Assistant, and timer controls support flexible operation
- Wide 61°F to 88°F temperature range
- Included installation kit reduces the need for separate mounting hardware
Cons:- Requires a dedicated 230V-compatible power source
- Heating output is substantially lower than cooling output
- Large chassis and 19-inch window-height requirement restrict placement
Best for: Owners of large living areas, workshops, or open studios who have a 230V outlet and need far more cooling reach than an 8,000 or 12,000 BTU unit
Not ideal for: Apartment dwellers with standard 115V outlets or buyers expecting heating output equal to the unit’s 18,000 BTU cooling capacity
- Cooling Capacity:18,000 BTU
- Heating Capacity:8,600–10,600 BTU
- Coverage Area:Up to 1,000 sq. ft.
- Power Supply:230V, 60Hz
- Timer:Up to 24 hours
- Temperature Range:61°F–88°F
- Compatible Window Size:28–41 inches wide; 19-inch height
- Dimensions:23.6 x 25.4 x 17.9 inches
Our verdict“I would pick the Bonnlo for powerful large-room cooling with useful supplemental heat, provided a suitable 230V circuit and window are already available.”
How We Picked
I ranked these products around credible year-round performance, giving the most weight to cooling capacity, stated heating output, heat-pump versus supplemental heating, and realistic room coverage. Models with inverter compressors received extra credit because they can hold steadier temperatures and often run more quietly than basic fixed-speed units. I also compared 115-volt and 230-volt requirements, window configuration, installation demands, dehumidification, noise claims, controls, and maintenance access. A high BTU figure did not earn a high position when the electrical demands or limited heating capability narrowed the likely audience.
My ordering favors products that solve the full buying problem with the fewest compromises. The GE leads through its heat-pump and inverter combination; ROVSUN rises on capacity per dollar; TCL and Soleus Air suit shoppers willing to pay for broader features; and Keystone and LG serve buyers who need serious large-room cooling. I placed more caution around renewed equipment, lightly documented brands, and models whose names emphasize cooling without clearly confirming heat. This approach makes heating type, fit, and ownership risk more influential than a long feature list.
Factors to Consider When Choosing Window Air Conditioner And Heat
A useful comparison starts with the kind of heat each unit produces, then narrows the field by room load, available power, window fit, and ownership costs. I would settle those practical questions before comparing apps, voice assistants, or extra operating modes.Choose Between a Heat Pump and Supplemental Heat
I separate true heat-pump models from units that advertise supplemental electric heat because they serve different needs. A heat pump moves heat into the room and can be more economical during cool weather, making the GE and TCL designs stronger candidates for frequent heating. Supplemental resistance heat is simpler but usually consumes more electricity for the warmth delivered. I view it as spot heating or seasonal backup, especially in products whose heating BTU rating trails their cooling output. Neither design should automatically replace a central furnace in a cold climate. Before buying, I would check the specified outdoor operating range and whether the unit has defrost management, since the words “with heat” do not reveal cold-weather capability.
Size for the Room’s Heat Load, Not Floor Area Alone
Cooling coverage estimates are only a starting point because ceiling height, sun exposure, insulation, and open doorways change the load. A shaded bedroom may be comfortable with 8,000 BTU, while a sunny room of the same size may need more cooling capacity. Heating adds another wrinkle: many combination units provide fewer heating BTUs than cooling BTUs, so the printed square-foot rating may be optimistic for winter use. I would compare the separate cooling and heating outputs whenever both are published. Oversizing is not a free upgrade because a fixed-speed compressor may cycle too quickly, leaving humidity behind and producing wider temperature swings. An inverter model handles partial loads better, but I would still avoid buying far beyond the room’s needs.
Confirm the Circuit Before Choosing High Capacity
The biggest units in this lineup may require 230-volt service, which changes the purchase from a simple appliance swap into a possible electrical project. Keystone and LG offer the strongest large-space cooling figures, but they make sense only where a compatible receptacle and circuit already exist or can be added. I would never assume that an unfamiliar outlet is suitable based on shape alone; its voltage, amperage, and circuit capacity should match the product label. Most 8,000- and 12,000-BTU models are easier to place on standard household power, though they may still call for a dedicated circuit. Extension cords and basic power strips are poor substitutes for proper permanent wiring. Installation cost can erase the value of a high-capacity bargain, so I would include any electrical work in the total budget.
Match the Chassis to the Window and Room Layout
A standard window unit blocks more of the opening, while a U-shaped chassis lets the sash close between the indoor and outdoor sections. That arrangement can reduce perceived compressor noise, preserve more of the view, and create a firmer barrier around the opening. It also has tighter compatibility limits, so window width, sill depth, sash type, and included brackets deserve close attention. I would check whether the opening can support the unit’s weight without interfering with screens, storm windows, exterior trim, or drainage. Renters may prefer a lighter 8,000-BTU model with a straightforward installation kit, provided the lease permits window equipment. A poorly sealed gap can undermine both cooling and heating, making installation quality as meaningful as the compressor specification.
Balance Noise, Efficiency, Controls, and Support
Low sound ratings matter most in bedrooms and home offices, but published decibel figures may describe only the lowest fan setting. U-shaped and inverter models often have an advantage because the compressor sits farther outside and can vary its speed instead of repeatedly starting at full power. Energy-saving modes can cut runtime, although an uncomfortable temperature swing is a poor bargain if the controls are too aggressive. Wi-Fi is useful for warming or cooling a room before arrival, yet I treat it as a convenience rather than a core performance feature. Filter access, replacement parts, warranty coverage, and responsive support matter more over several seasons. I would pay extra for quieter modulation and dependable service before paying for voice control alone.
Frequently Asked Questions
Can a Window Air Conditioner With Heat Replace My Main Heating System?
I would treat most of these products as room-level heating solutions, not whole-home replacements. A heat-pump window unit may handle a mild climate or shoulder-season chill efficiently, while supplemental resistance heat is better for short periods or extra warmth. Performance can fall as outdoor temperatures drop, and some models stop heating below a stated limit. The room also needs reasonable insulation and closed doors for rated heating output to feel adequate. Buyers in freezing climates should keep an approved primary heat source unless the manufacturer explicitly rates the unit for low-temperature heating.
Is a Heat-Pump Window Unit Worth Paying More For?
I think the premium makes sense when heating will be used regularly and the local winter is moderate. A heat pump can deliver more usable heat per unit of electricity than a resistance heater, while an inverter compressor can reduce temperature swings and startup noise. The savings are less persuasive if heat is needed only a few evenings each year. Purchase price, outdoor operating limits, and repair support still matter, so efficiency alone should not settle the choice. For frequent year-round operation, the GE or TCL approach is more compelling than a cooling-first model with a small heating element.
Do I Need a 230-Volt Outlet for a Window AC With Heat?
Many smaller combination units operate on standard 115-volt power, but high-capacity options such as the large LG and Keystone models may require 230 volts. The plug, receptacle, breaker, and circuit rating all need to match the unit’s nameplate. I would verify the electrical specification before ordering because capacity alone does not reveal the required connection. If new wiring is needed, an electrician’s cost should be added to the purchase price. A 115-volt model is usually the easier choice for bedrooms, rentals, and spaces where electrical changes are impractical.
Should I Size the Unit From Its Cooling or Heating Rating?
I would check both ratings separately because the heating output can be lower than the cooling output. A unit advertised for a large cooling area may warm a much smaller space during cold weather, especially if it uses supplemental resistance heat. Start with room dimensions, then adjust for insulation, ceiling height, windows, sun, and the number of connected spaces. Avoid jumping to the largest model unless the calculated load supports it, since oversizing can increase cycling and reduce moisture removal. When heating is the priority, the published heating BTU figure and outdoor limit deserve more weight than the headline cooling coverage.
Is a U-Shaped Model Better Than a Standard Window Unit?
A U-shaped unit is often better for low noise and window access because the closed sash helps separate the compressor from the room. It may also leave more of the window usable than a conventional box-style chassis. The tradeoff is stricter fit compatibility and a more involved bracket setup. I would also verify the exact product’s heating specification: the listed Midea U-shaped model emphasizes cooling and does not clearly state heat, while ZAFRO is presented as a heating-capable alternative. Choose the format for fit and verified functionality, not shape alone.
Conclusion
For most buyers, I would choose the GE 8,000 BTU Smart Window Air Conditioner as the best overall model because its inverter heat pump offers the strongest balance of efficient heating, cooling, noise control, and connected operation. The ROVSUN 12,000 BTU is my best-value choice for shoppers who want broader room coverage and smart controls at a more accessible position in the lineup. Beginners should start with the Durastar 8,000 BTU, whose moderate capacity and remote-based controls keep the ownership experience relatively simple.
For a premium smart setup, I would move to the TCL Q-Series heat-pump model, while noise-sensitive buyers should examine ZAFRO’s claimed 32-dB U-shaped design after confirming window compatibility. Keystone is the specialist choice for rooms approaching 1,500 square feet, provided a 230-volt circuit is available; the large LG fills a similar role for buyers who prefer that brand. Soleus Air suits buyers who want strong published heating output with Wi-Fi, and Frigidaire fits smaller spaces where supplemental heat is enough. I would skip the cooling-only Midea listing if heating is mandatory, and I would choose the renewed LG only when its price, warranty, and return terms clearly offset the added ownership risk.
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