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Ideal Home’s review of Dreo’s Smart Whole Room Heater 720S describes a 2000W ceramic heater that switches between directed heat and 360-degree airflow. In a 10-day home test, the reviewer recorded a 4°C rise in an 18-square-metre living room in 10 minutes; results varied by room, and the review’s running-cost estimate is tied to a specific energy price cap.
Dreo’s Smart Whole Room Heater 720S is a 2000W ceramic fan heater that can direct warmth toward one person or raise its upper section to distribute heat around a room, according to an Ideal Home review. The reviewer tested the unit for 10 days in a living room and kitchen-diner, reporting different warm-up results in each space rather than a single performance figure that applies to every home.
Ideal Home’s Renovation Editor and home-energy writer Sarah Handley tested the heater in a 1970s three-bedroom home. In whole-room mode, she recorded a 4°C temperature increase in a 18-square-metre living room over 10 minutes. In the larger, open-plan kitchen-diner, which measured 22 square metres, the temperature rose by 2°C over 20 minutes. These are results from one home test, not a guarantee of performance in other rooms or conditions.
The heater offers three output settings: 1,100W, 1,400W and 2,000W, alongside Eco and fan-only modes. In Eco mode, users can set a target temperature within a stated range of 5°C to 35°C; the heater adjusts its output in response to that target and the ambient temperature. It can be operated using its onboard controls, a remote or the Dreo app. The report says it also works with Google Home and Alexa.
Switching between focused and whole-room heating is a central feature: in the latter mode, the top rises by about four centimetres and sends air in all directions. The reviewer says the 3.1-kilogram heater was easy to move and that its housing stayed cool during use, though the grille heats as part of operation. Its safety features include tip-over protection, overheat protection and a child lock, according to the product information cited in the review.
Flexible Heat for Different Spaces
The 720S’s two airflow options give households a way to choose between personal warmth and broader room heating without changing appliances. That may suit someone working at a desk who wants heat aimed in one direction, then using the heater to warm a shared space. The review’s results suggest the distinction matters in practice: its smaller test room warmed more quickly than the larger kitchen-diner.
Placement is part of that trade-off. Handley found that positioning the heater further into the room helped her make use of its 360-degree distribution, but the unit still needs a wall socket. That means the available location may be limited by the power lead, which the reviewer says must be watched as people move around. Buyers should weigh room layout, socket position and cable placement alongside the heater’s modes.
The product is listed with a UK recommended retail price of £119.99. The source estimates running costs at 53 pence per hour, based on the October 2026 energy price cap. That figure is a source-specific estimate, not a universal cost: actual use depends on the selected setting, duration, electricity tariff and whether Eco mode cycles the heater on and off.
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What the Home Test Measured
The review says the 720S launched at the end of September and places it among Dreo’s heating products, following the reviewer’s earlier experience with the company’s cooling products. It describes a compact unit measuring 22 by 30 by 22 centimetres, with no assembly required beyond putting batteries in the remote. The reviewer says setup took only a few minutes, including app connection for someone who already had a Dreo account.
The reported tests took place in two rooms over 10 days, but the source does not describe a controlled laboratory comparison. The 18-square-metre living room and 22-square-metre kitchen-diner differ in size and layout, and the published temperature changes reflect conditions in that particular home. The review presents the product as suitable for rooms up to 25 square metres, but that rating should not be confused with a promise of a specific temperature rise.
The heater’s functions combine heating and fan-only operation. There is no oscillation, according to the specification, but focused heat can be repositioned by moving the lightweight appliance. In whole-room mode, its raised top changes how air is distributed. The review also notes colour-changing ambient lighting controlled through the app; this is an additional feature rather than a measure of heating performance.
“The heater managed to increase the temperature in my 18m2 living room by 4°C in just 10 minutes.”
— Sarah Handley, Ideal Home Renovation Editor and home-energy writer
Limits of the Published Test
The review reports results from one home and two rooms. It does not provide the starting temperatures, outside conditions, measurement equipment or a comparison with other heaters, so the test cannot establish how the 720S would perform in a different home. The review also does not state how long the heater took to reach a user-selected temperature in Eco mode.
The cited running cost of 53 pence per hour is based on the October 2026 energy price cap, as given in the source. The cost for an individual household will depend on its tariff and use. The material supplied also does not provide independent verification of the manufacturer’s safety-feature descriptions or specify the testing standards behind them.
The source includes no long-term reliability findings, noise measurements or detailed assessment of app privacy and connectivity. It is also not clear whether the price and availability have changed since the review was published. Those details should be checked with the retailer or manufacturer before purchase.
Check Price and Room Fit
The review’s next practical step for prospective buyers is to compare the heater’s stated 25-square-metre room suitability with the size and layout of the space they want to heat. A room’s shape, insulation and placement options may affect the experience; Ideal Home’s two-room results illustrate that warm-up times were not identical.
Before buying, shoppers can check current retailer pricing and confirm that a suitable wall socket is available without creating a cable hazard. They can also review the manufacturer’s current instructions for app setup, placement and safety features. The available source does not announce a follow-up test, a new model or a change to the 720S, so no further product development is confirmed.
Key Questions
What is the Dreo Smart Whole Room Heater 720S?
It is a 2000W ceramic fan heater with focused heating, 360-degree whole-room airflow, Eco and fan-only modes. The review lists app, remote and onboard controls.
How quickly did it heat the rooms in the review?
In Ideal Home’s test, the 18-square-metre living room warmed by 4°C in 10 minutes. The 22-square-metre kitchen-diner warmed by 2°C in 20 minutes. These were results in one home, not guaranteed outcomes.
Can the heater be controlled by voice assistants?
The review says the Dreo app works with Google Home and Alexa, in addition to the heater’s onboard controls and remote.
How much does it cost to run?
Ideal Home lists an estimated 53 pence per hour, calculated using the October 2026 energy price cap. Individual costs can differ based on electricity rates, settings and usage.
What safety features does the review list?
The source lists tip-over protection, a child lock, cool-touch housing and overheat protection, among eight stated safety features. Users should follow the manufacturer’s operating and placement instructions.
Source: idealhome.co.uk
