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Ideal Home’s reviewer tested Dreo’s 2,000W Smart Whole Room Heater 720S for 10 days and found it can switch between targeted heat and 360-degree room heating. In the test, it raised an 18-square-metre living room by 4°C in 10 minutes; the larger kitchen-diner warmed by 2°C in 20 minutes. Those are observations from one home, not a guarantee of results in other spaces.
Ideal Home’s reviewer tested Dreo’s 2,000W Smart Whole Room Heater 720S for 10 days, reporting that it can direct warmth toward one person or switch to 360-degree airflow intended to heat a room. In the reviewer’s home, it raised the temperature of an 18-square-metre living room by 4°C in 10 minutes, while a 22-square-metre kitchen-diner warmed by 2°C in 20 minutes.
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 select a target temperature, and a fan-only setting. The temperature can be set between 5°C and 35°C. The device is rated for rooms up to 25 square metres, according to the review’s specifications.
The two heating modes work differently. In focused mode, heat comes from the grille at the front. In whole-room mode, the top section rises by about four centimetres and sends air in all directions. The reviewer said switching between modes was straightforward, and found the focused setting effective despite the heater having no oscillation.
Users can control it with the heater’s panel, a remote or the Dreo app. The review says the model works with Google Home and Alexa and has adjustable ambient lighting. Dreo lists safety features including tip-over protection, a child lock, cool-touch housing and overheat protection. The review gives a UK recommended price of £119.99 and an hourly running-cost estimate of 53p, calculated using the October 2026 energy price cap; actual costs depend on the electricity tariff and how the heater is operated.
Two Heating Patterns From One Unit
The 720S’s main selling point is the option to use one portable appliance for personal, directional warmth or to distribute heat more broadly. That flexibility may suit households where someone wants warmth at a desk or seat at one time and more even heat across a room at another. The reviewer’s results offer a real-home example, while remaining specific to the rooms and conditions tested.
The test also shows why performance figures need context. The smaller living room warmed faster than the larger open-plan space, and the reviewer found that placing the heater farther into the room helped with whole-room heating. But the unit needs a wall socket, which limits where it can go and can leave a trailing power cable. The review does not establish how quickly it would heat other homes, or how its consumption compares with alternative heating systems.
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What the Home Test Covered
Ideal Home’s Renovation Editor and home-energy reviewer tested the heater in the living room and kitchen-diner of a 1970s three-bedroom home for 10 days. The living room measured 18 square metres and the open-plan kitchen-diner 22 square metres. The reviewer described carrying and setting up the 3.1-kilogram unit as easy, with no assembly required beyond inserting the remote’s batteries.
The outlet’s account says Dreo launched the model at the end of September, but does not provide a year in the supplied material. The review’s quoted 53p hourly running cost is tied to the October 2026 energy price cap, so it is a dated estimate rather than a fixed cost for every user. The test findings are a reviewer’s observations, not independent measurements across multiple homes.
“In whole room mode, the heater managed to increase the temperature in my 18m2 living room by 4°C in just 10 minutes.”
— Ideal Home reviewer Sarah Handley
Results Depend on the Room
The review does not say what the rooms’ starting temperatures were, how temperature was measured, or what the weather and insulation conditions were during each test. It is also not clear whether the heater maintained those temperature changes over longer periods. The reported increases should be read as results from one home, not as an independently verified rate of heating for every room up to 25 square metres.
The source material does not report long-term reliability, noise measurements, or a direct comparison with other heaters. It also does not establish whether the stated 53p hourly estimate matches a reader’s current tariff or the heater’s actual usage in Eco mode. The review’s safety-feature list is attributed to the product description; the supplied report does not describe separate testing of each safety function.
Check Price and Running Costs
Readers considering the 720S can compare its current selling price and their own electricity rate with the review’s stated figures. The £119.99 price is the recommended retail price in the source, and the 53p hourly estimate is based on a specific energy-price-cap period. Both may differ from current retailer offers and household bills.
For a practical decision, the relevant questions are whether the room is within the stated 25-square-metre capacity, whether there is a safe place near a socket, and whether the user wants focused heat, wider distribution or app control. The supplied report gives no later product update or further testing schedule, so additional independent results are not confirmed.
Key Questions
Can the Dreo 720S heat a person or a whole room?
Yes. The review describes a focused mode that directs heat from the front grille and a whole-room mode that raises the top section to distribute air in 360 degrees. The reviewer tested both, but results will vary by room and conditions.
How quickly did it warm the test rooms?
In Ideal Home’s test, the 18-square-metre living room rose by 4°C in 10 minutes. The 22-square-metre kitchen-diner rose by 2°C in 20 minutes. These are observations from one home, not guaranteed heating times.
What settings and controls does the heater have?
It offers 1,100W, 1,400W and 2,000W heat levels, plus Eco and fan-only modes. The review says it can be controlled from the unit, its remote or the Dreo app, and works with Google Home and Alexa.
What safety features are listed?
The source lists tip-over protection, a child lock, cool-touch housing and overheat protection, among eight safety features. The supplied review does not describe independent testing of those functions. Users should follow the manufacturer’s instructions and keep the heater clear of hazards.
How much does it cost to run?
Ideal Home cites an estimate of 53p per hour, based on the October 2026 energy price cap. The actual cost depends on the user’s tariff, selected mode and how long the heater runs; the estimate is not a universal current rate.
Source: idealhome.co.uk
