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Ideal Home reviewer Sarah Handley tested Dreo’s 2000W Smart Whole Room Heater 720S for 10 days in her home. She reported that it raised the temperature of an 18-square-metre living room by 4°C in 10 minutes in whole-room mode, while the unit can also direct heat through its front grille toward one area.
Ideal Home reviewer Sarah Handley says Dreo’s 2000W Smart Whole Room Heater 720S can switch between directing heat forward at a person and distributing warm air around a room. In a 10-day home test, she recorded a 4°C temperature rise in an 18m² living room over 10 minutes in whole-room mode, while results in a larger kitchen-diner were slower.
The 720S is a ceramic fan heater rated at 2000W, with three heat settings of 1100W, 1400W and 2000W, plus Eco and fan-only modes. Its adjustable temperature range is listed as 5°C to 35°C. Dreo says the heater is suitable for rooms up to 25m²; that figure is the manufacturer’s stated suitability, not a guarantee of a particular temperature rise in every home.
Handley tested the heater in the living room and kitchen-diner of her 1970s home. In the 18m² living room, she measured a 4°C increase in 10 minutes using whole-room mode. In the 22m² open-plan kitchen-diner, she recorded a 2°C increase in 20 minutes. She said placing the unit farther into the room helped the 360-degree distribution, though its need for a wall socket limited how centrally it could be positioned.
The heater can be operated from its onboard controls, a remote or the Dreo app. The review lists compatibility with Google Home and Alexa. It weighs 3.1kg and measures 22 by 30 by 22cm. The product’s UK recommended retail price is £119.99; the source estimates a running cost of 53p per hour using the October 2026 energy price cap, a figure tied to that stated price basis rather than a fixed cost for all households.
Focused Warmth or Room-Wide Heating
The 720S’s main point of difference in the review is its switchable airflow: users can choose directed heat from the front grille or raise the top section to distribute air in all directions. That could make the unit useful for someone who wants warmth at a desk or seating area at one time and broader heating at another, without choosing between two separate heater types.
The test also illustrates why room size and placement matter. The reviewer reported different temperature changes in the two spaces, and noted that whole-room mode worked best with the heater pulled away from the wall. The results are one reviewer’s measurements in one home; they do not establish how quickly the heater will warm other rooms, or how much energy a household will save compared with central heating.
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What the Home Test Covered
Ideal Home describes the 720S as a model launched at the end of September, but the supplied report does not specify the year. Handley, the publication’s Renovation Editor and home-energy content lead, tested the appliance for 10 days and compared its operation in two rooms. Her report focuses on ease of setup, controls, heat distribution and safety features rather than a controlled comparison with other heaters.
The unit requires no assembly beyond inserting batteries into the remote. It connects to the Dreo app after the user downloads the app and creates an account. The reviewer also notes a colour-changing ambient light that can be adjusted in the app. The source lists eight safety features, including tip-over protection, child lock, cool-touch housing and overheat protection; these are product features reported by the publication, not independent safety-test findings.
“The heater managed to increase the temperature in my 18m2 living room by 4°C in just 10 minutes.”
— Sarah Handley, Ideal Home reviewer
Limits of the Reported Results
The source does not provide details such as the rooms’ starting temperatures, outdoor conditions, thermostat placement or whether other heating was running. It is also unclear how the results might change in homes with different insulation, ceiling heights or layouts. The two temperature readings should be treated as observations from this particular test, not a performance guarantee.
The review’s running-cost estimate is based on the October 2026 energy price cap, but the source does not state the tariff assumptions behind that calculation. Actual costs depend on a household’s electricity rate and how long the heater runs. The report also does not provide independent testing of the advertised safety protections or a comparative energy-efficiency assessment.
Check Price and Room Fit
The source provides a UK recommended retail price of £119.99 and a stated room suitability of up to 25m². It does not give live retailer pricing or stock information, so buyers would need to check current availability and prices. Anyone considering the heater should also account for its need to remain plugged into a wall socket and position it where the cable will not create a trip hazard.
No follow-up testing or manufacturer response is included in the report. Further information about performance across different homes, the assumptions behind the running-cost estimate and independent verification of safety features is not supplied.
Key Questions
What does the Dreo 720S heater do?
The 2000W ceramic fan heater has a focused mode that directs heat through its front grille and a whole-room mode that distributes air in all directions. It also has three heat levels, Eco mode and fan-only mode.
How quickly did it warm the rooms in the review?
Ideal Home’s reviewer measured a 4°C rise in 10 minutes in an 18m² living room. In a 22m² kitchen-diner, she recorded a 2°C rise over 20 minutes. These were results in one home, not guaranteed outcomes.
Can the 720S be controlled remotely?
According to the review, it can be operated using its remote control or Dreo app, as well as its onboard panel. The report lists Google Home and Alexa compatibility.
How much does the Dreo 720S cost to run?
The review estimates 53p per hour using the October 2026 energy price cap. Actual costs depend on a user’s electricity tariff and usage; the estimate should not be treated as a universal rate.
What safety features are listed?
The report says the heater has eight safety features, including tip-over protection, a child lock, cool-touch housing and overheat protection. The article does not provide independent test results for those features.
Source: idealhome.co.uk
