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Ideal Home tested Dreo’s 2,000W Smart Whole Room Heater 720S for 10 days and found it can switch between focused heat and 360-degree airflow. In the reviewer’s home, it raised an 18-square-metre living room by 4°C in 10 minutes; results will vary by room and conditions.
Dreo’s Smart Whole Room Heater 720S can direct warmth toward a person or switch to 360-degree airflow intended to heat a room, according to an Ideal Home hands-on review. The 2,000-watt ceramic fan heater was tested for 10 days in two rooms, giving readers a practical account of its performance beyond the manufacturer’s room-size rating.
Ideal Home’s reviewer tested the heater in a 18-square-metre living room and a 22-square-metre open-plan kitchen-diner in a 1970s three-bedroom home. In whole-room mode, the reviewer recorded a 4°C rise in the living room after 10 minutes and a 2°C rise in the kitchen-diner after 20 minutes. Those are results from one home test, not a guarantee of performance in other rooms or conditions.
The heater has three power settings: 1,100W, 1,400W and 2,000W. It also offers Eco mode, where users set a target temperature between 5°C and 35°C, and a fan-only mode. The reviewer said a button switches between focused heating from the front grille and whole-room mode, in which the unit’s top section rises to distribute air in all directions.
Users can operate it through the on-device controls, remote or Dreo app. The review says it also works with Google Home and Alexa. Listed safety features include tip-over protection, a child lock, cool-touch housing and overheat protection. The unit weighs 3.1kg, measures 22 by 30 by 22cm and is rated for rooms up to 25 square metres. Ideal Home listed a recommended retail price of £119.99.
Two Heating Patterns From One Unit
The 720S is designed to serve two different uses: warming a person nearby with directed heat, or circulating warmth around a room through its 360-degree mode. That flexibility may matter to households that want a portable heater for both desk-side use and shared living areas, rather than a device dedicated to one direction of airflow.
The reviewer’s measurements show why room size and placement matter. The smaller living room warmed more quickly in the test than the larger kitchen-diner. Ideal Home also found that placing the heater further into the room improved the usefulness of whole-room mode, though the need to plug it into a wall socket limits how centrally it can be positioned. The test does not establish how much energy it would use in a typical household routine.
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How the Home Test Was Run
Ideal Home’s Renovation Editor and home-energy writer tested the heater over 10 days, using it in the living room and kitchen-diner. The reviewer described setup as straightforward: no assembly was needed beyond adding batteries to the remote, and using the app required downloading it and creating an account. The reviewer already had the Dreo app, so their connection time may not reflect a new user’s setup.
The report identifies the 720S as a ceramic fan heater and gives its power levels, dimensions and listed room suitability. It calculates an hourly running cost of 53p using the October 2026 energy price cap. That figure is an estimate tied to the stated tariff basis, not a fixed charge or a prediction of an individual household’s bill. The report describes the model as launched at the end of September.
““I loved this switch, and I even did a bit of a giddy giggle when I tried it for the first time.””
— Ideal Home reviewer Sarah Handley
Performance Beyond One Home
The reported temperature changes come from one home and two rooms. Ideal Home’s account does not provide enough information to establish how the results might change with different starting temperatures, insulation, ceiling heights, outdoor weather or heater placement. The stated capacity of up to 25 square metres is a product specification, not independent proof that every room of that size will warm at the same rate.
The review’s 53p-per-hour running-cost estimate is based on the October 2026 energy price cap and the report does not describe a full-season cost test. Actual expense depends on electricity tariffs, settings and how often the heater runs. The source material also does not establish whether the 720S is available at its £119.99 recommended price in every retailer or market.
Check Price and Room Conditions
Readers considering the heater can compare current retailer prices with the reported £119.99 recommended retail price and check whether its 22-by-30-by-22cm footprint suits the intended location. The review suggests that whole-room heating may benefit from positioning the unit away from a wall, but users will need to keep its power cable clear of walkways.
Further independent tests across more homes, room layouts and operating periods would help establish how consistently the heater performs and what it costs to run. Until then, the published temperature gains and cost figure are best read as one reviewer’s test results, not expected outcomes for every household.
Key Questions
What is the Dreo Smart Whole Room Heater 720S?
It is a 2,000W ceramic fan heater with focused heating and a 360-degree airflow mode intended to warm a room. It also has three heat levels, Eco mode and fan-only operation.
How quickly did it warm the rooms in the review?
In Ideal Home’s test, the temperature in an 18-square-metre living room rose 4°C in 10 minutes. In a 22-square-metre kitchen-diner, it rose 2°C in 20 minutes. These results apply to the reviewer’s home test, not all rooms.
Can the 720S be controlled remotely?
Yes. The review lists controls on the heater, a remote and the Dreo app, as well as compatibility with Google Home and Alexa.
What safety features does the heater have?
The report lists tip-over protection, a child lock, cool-touch housing and overheat protection. Users should still follow the product instructions and keep the heater and its cable positioned safely.
How much does the Dreo 720S cost to run?
Ideal Home estimated 53p per hour using the October 2026 energy price cap. That is a tariff-based estimate; actual running costs depend on the electricity rate, settings and usage.
Source: idealhome.co.uk
