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Ideal Home’s reviewer tested Dreo’s 2000W Smart Whole Room Heater 720S for 10 days and reported that it can direct heat at one spot or distribute it around a room. In the reviewer’s home, it raised the temperature of an 18-square-metre living room by 4°C in 10 minutes; results will depend on room conditions and placement.
Ideal Home has reviewed Dreo’s Smart Whole Room Heater 720S, a 2000W ceramic fan heater that switches between directing warmth toward a person and distributing heat around a room. In a 10-day home test, reviewer Sarah Handley reported that it raised the temperature of her 18m² living room by 4°C in 10 minutes, offering readers a real-home example of how the dual-mode heater performed.
The 720S has three heating levels: 1100W, 1400W and 2000W. It also offers Eco and fan-only modes, with a temperature setting from 5°C to 35°C. In Eco mode, the heater adjusts its output in response to the target temperature and the room’s ambient temperature, according to the review.
Its defining feature is a change in airflow. In focused mode, heat comes through the front grille; in whole-room mode, the top rises by about 4cm and the heater sends air in all directions. Handley said the switch was straightforward and that the focused setting was effective, even without oscillation. At 3.1kg, she found the unit light enough to reposition.
During testing, the heater raised the temperature in a 22m² open-plan kitchen-diner by 2°C in 20 minutes. Handley said she placed it farther into the room on a round console table to make better use of the whole-room function. The unit needs a wall socket, however, which limits where it can be placed and leaves a cable to watch around the room.
Two Heating Patterns in One Unit
The review focuses on a practical choice for people who use a portable heater in different ways: warming a person nearby or trying to raise the temperature across a room. The 720S combines both options, so users can change the airflow without switching to a separate appliance. That flexibility may be useful in a home where someone wants direct warmth at a desk or sofa, while broader heat distribution is preferred at other times.
The reported results also give buyers a specific, though limited, performance reference. In Handley’s test, the 18m² living room warmed faster than the larger kitchen-diner. Those figures are from one home over a short test, not a guarantee for every room. Insulation, starting temperature, layout and heater position can all affect the outcome, and the review does not establish how much the heater would reduce whole-home heating use.
Running cost is another factor for shoppers. Ideal Home lists a figure of 53p per hour, calculated using the October 2026 energy price cap. That is the publication’s stated estimate and depends on its assumed electricity tariff and the heater’s operating level; it should not be treated as a universal cost.
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What the 10-Day Test Covered
Handley tested the heater in the living room and kitchen-diner of her 1970s three-bedroom home for 10 days. Ideal Home describes her as its Renovation Editor and says she also covers home energy content. The published article presents a hands-on product review, rather than a controlled comparison with other heaters or an independent laboratory test.
The listed specifications include a compact body measuring 22 × 30 × 22cm, a 2000W maximum output and stated suitability for rooms up to 25m². The review says no assembly is required beyond installing batteries in the remote. Users can control it through the onboard panel, remote or Dreo app; the product is also listed as compatible with Google Home and Alexa.
The heater’s listed price is £119.99. Its other features include adjustable ambient lighting and safety functions that the source says include tip-over protection, child lock, cool-touch housing and overheat protection. Those specifications describe the product; the review does not report separate testing of each safety feature.
““With the press of one button, you can switch between focused heating mode … to whole room heating.””
— Ideal Home reviewer Sarah Handley
Limits of the Reported Results
The reported temperature changes come from one home and a 10-day test. The source does not provide details such as the rooms’ starting temperatures, outdoor conditions, measurement equipment or whether doors and windows were kept in the same state throughout. It is not clear how the heater would perform in other buildings, rooms above the stated 25m² suitability or homes with different insulation.
The review also does not establish long-term reliability, the accuracy of the room-size guidance across different layouts, or real-world electricity costs for every setting. The 53p hourly estimate is tied to the source’s stated October 2026 price-cap basis. Buyers should check their own tariff and use pattern rather than assume that figure will apply to them.
Check Price and Room Placement
The source does not announce a future product event or further testing. Readers considering the 720S can compare its current price with Dreo’s listed £119.99 RRP, confirm whether their room is within the stated size guidance and check that a suitable wall socket is close enough for placement. The review’s test suggests that positioning may affect how well the whole-room airflow reaches the space.
Before buying, shoppers may also want to check current availability, app and voice-assistant compatibility, and the safety instructions supplied with the heater. The published review does not provide a controlled comparison with competing models or a long-term assessment, so those points remain outside its findings.
Key Questions
What is the Dreo Smart Whole Room Heater 720S?
It is a 2000W ceramic fan heater with focused and 360-degree airflow modes, plus three heat levels, Eco mode and fan-only operation.
How did it perform in Ideal Home’s test?
Reviewer Sarah Handley reported a 4°C rise in 10 minutes in her 18m² living room and a 2°C rise in 20 minutes in a 22m² kitchen-diner. These results describe her home test and are not guaranteed for other rooms.
How can the heater be controlled?
It can be operated using its onboard controls, remote or Dreo app. The source also lists compatibility with Google Home and Alexa.
What price and running cost does the review list?
Ideal Home lists an RRP of £119.99 and an estimated running cost of 53p per hour based on the October 2026 energy price cap. Actual costs depend on a household’s tariff and use.
Source: idealhome.co.uk
