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Ideal Home’s reviewer tested Dreo’s Smart Whole Room Heater 720S for 10 days and found it can direct heat toward a person or distribute it around a room. In the test, it raised an 18-square-metre living room’s temperature by 4°C in 10 minutes; results varied by room, and the published cost estimate is tied to an October 2026 energy price cap.
Ideal Home has reviewed Dreo’s Smart Whole Room Heater 720S, a 2,000W electric heater that switches between directing warmth through its front grille and distributing heat in 360-degree airflow. In a 10-day home test, the reviewer recorded a 4°C rise in an 18-square-metre living room over 10 minutes, while a larger kitchen-diner warmed more slowly.
The reviewer tested the heater in the living room and kitchen-diner of a 1970s, three-bedroom home. In whole-room mode, the temperature in the 18-square-metre living room increased by 4°C in 10 minutes. In the 22-square-metre open-plan kitchen-diner, it rose by 2°C over 20 minutes. These are results from one home, not a guarantee of performance in other rooms or conditions.
The 720S is a ceramic fan heater with three heat settings: 1,100W, 1,400W and 2,000W. It also has an Eco mode, which lets users set a target temperature, and a fan-only mode. Its temperature range is listed as 5°C to 35°C. A button switches between focused heating from the front grille and whole-room airflow, which the reviewer said raises the top section of the heater.
Controls include an onboard panel, a remote and the Dreo app. The product also works with Google Home and Alexa, according to the review. The reviewer describes it as lightweight enough to reposition, but notes that whole-room heating works best when the unit is placed nearer the centre of a room. Because it needs a wall socket, that placement can leave a trailing cable.
A Heater With Two Heating Modes
The 720S’s main distinction in the review is its choice between personal and roomwide warmth. Focused heating can suit someone sitting near the unit, while the 360-degree setting is intended to spread heat more broadly. That makes the device relevant to people deciding whether one portable heater can serve different situations in a home.
However, the test results show why room size and placement matter. The reviewer recorded a smaller temperature increase over a longer period in the 22-square-metre kitchen-diner than in the living room. The figures offer a useful example, but they do not establish a standard heating rate or show how much performance depends on insulation, starting temperature or other conditions.
The review lists a £119.99 recommended retail price and an estimated running cost of 53p per hour, calculated using the October 2026 energy price cap. That estimate is tied to the stated tariff period and is not a fixed cost for every household. Actual costs depend on the electricity rate and how the heater is used.
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What the 10-Day Test Covered
Ideal Home says the reviewer assessed the 720S over 10 days in two rooms, after Dreo launched the product at the end of September. The reviewer also said they had previously tested Dreo cooling products. The report is a product review based on domestic use, rather than a controlled comparison against other heaters.
The product is listed as 22 by 30 by 22 centimetres and weighs 3.1 kilograms. The manufacturer’s stated room suitability is up to 25 square metres. The review notes that setup requires no assembly beyond inserting batteries into the remote, while app control requires downloading the app and creating an account.
The review lists safety features including tip-over protection, a child lock, cool-touch housing and overheat protection. The reviewer says the heater switches off if lifted by its handle during use and that its body remains cool to the touch. These details are reported from the review; they are not an independent safety certification.
“I want quick and even heat from a product that is easy to use, doesn’t take up too much space and that I can move around my home easily.”
— Ideal Home reviewer Sarah Handley
Limits of the Published Test
The temperature changes come from one reviewer’s home test; the report does not describe a controlled testing protocol or provide results across different homes. It does not establish how the heater would perform in rooms with different layouts, insulation levels, ceiling heights or starting temperatures.
The source also does not give a comparison with other heaters’ energy use or explain the assumptions behind the 53p-per-hour estimate beyond its reference to the October 2026 energy price cap. The year of the product’s end-of-September launch is not specified in the supplied material. No independent verification of the manufacturer’s stated room coverage or safety features is included.
Check Price and Room Conditions
The review gives a recommended retail price of £119.99, but readers should check the current price and availability with retailers. Anyone considering the running-cost figure should compare it with their own electricity tariff and account for the heater’s selected power setting and use time.
For practical use, the review suggests placing the unit where airflow can reach the room while keeping its power cable clear of walkways. The report does not announce a follow-up test or a further product update, so any broader performance comparisons or changes to price remain unreported.
Key Questions
What does the Dreo Smart Whole Room Heater 720S do?
It is a 2,000W ceramic fan heater with a focused mode that directs warmth through the front grille and a whole-room mode that distributes airflow in 360 degrees. It also has an Eco mode and a fan-only setting.
How quickly did it warm the rooms in the review?
In the reviewer’s home, the temperature in an 18-square-metre living room rose by 4°C in 10 minutes. In a 22-square-metre kitchen-diner, it rose by 2°C in 20 minutes. These results are specific to that test.
How much does the Dreo 720S cost to run?
Ideal Home lists an estimate of 53p per hour, based on the October 2026 energy price cap. The actual cost depends on a household’s electricity tariff and how the heater is operated.
Can the heater be controlled remotely?
Yes. The review lists an onboard control panel, a remote and the Dreo app. It also says the heater works with Google Home and Alexa.
What safety features are listed?
The review lists tip-over protection, a child lock, cool-touch housing and overheat protection, among eight safety features. The supplied report does not identify an independent certification for those features.
Source: idealhome.co.uk
