10 Best Low Wattage Heaters for 2026
List of Top Rated Low Wattage Heaters from thousands of customer reviews & feedback.
Updated On August 2026 881 Reviews Studied By Customer Ratings
Affiliate Disclosure
As an Amazon Associate we earn from qualifying purchases made via links on this page, at no extra cost to you. Rankings are based on independent research and customer feedback. 1 
Dimplex DXLWP400TS Electric Low Wattage Panel Heater, Steel, White
Dimplex
- Dimplex super slim 400W low energy panel heater
- Dimensions - 500(h) x 600(W) x 200 (D) mm (with feet)
- Guarantee - 3 years
- Ideal for - indoor background heat and frost protection
- Safety - Independently safety tested for additional peace of mind
2 
DONYER POWER Convector Radiator Heater with Adjustable Thermostat, 2000W, 3 Heat Settings, Free Standing
DONYER POWER
- ※ Parameters：220~240V/50Hz, Size: 20.5” X 7.9” X 14.8”
- ※ 3 settings in heating output：750W/1250W/2000W (Setting 1: 750W, Setting 2: 1250W, Setting 3: 2000W. Note: Setting 3 means both switches are turned on)
- ※ Have two supporters , two wall-mounted holes on the back, free-standing and wall mounted(Fixings Not Supplied)
- ※ Handles are designed on both sides for being portable.
- ※ Overheating automatic protection in three levels: manual temperature control, automatic temperature control and fuse
3 
AMOS 400W Oil Filled Panel Radiator with Adjustable Temperature Thermostat Compact Slim Home Office Electric Heater
AMOS
- Oil filled panel radiator; Large heating area to quickly warm up the room; Environmentally friendly
- Adjustable thermostat to achieve and maintain your desired room temperature
- Ideal as a supplementary heating source for bedrooms, offices or even caravans and holiday homes
- Power Indicator light; Overheat protection for safety; Ultra slim, easily manoeuvrable design; Castor wheels for easy relocation
- Heater (with wheels): 61cm (H) x 49cm (W) x 25.5cm (D); Heating Panel: 55cm (H) x 43cm (W); Cable: 150cm (L); Weight: 5.05kg; Boxed: 61cm (H) x 63cm (W) x 12cm (D); 6.7kg; Voltage: 230V ~ 50/60Hz; Power: 400W; Standard 3-pin UK Plug
5 
Pro Breeze® Mini Heater - Ceramic Fan Heater perfect for Desks and Tables - Personal PTC Heater, White
Pro Breeze
- Personal mini heater for use on desks and tables at home or work.
- Ceramic heating elements provide faster and more efficient heating than traditional fan heaters.
- Adjustable thermostat control monitors the temperature around you for optimal heating.
- Advanced safety features built-in including overheat protection and auto-off tip-over switch.
- Dimensions: 11 x 17 x 20.5 cm. Power: 500W, 220-240V, 50Hz.
6 
Kampa Diddy Portable Heater
Kampa
- Low Wattage - Two heat settings 750W/1500W
- Instant fan forced heat
- Energy efficient heating element
- Thermal overheat protection device
- Tip over protection switch
7 
Kampa Cuboid Low Wattage PTC Fan Heater
Kampa
- Instant fan forced heat
- Three heat settings: Cooling fan/750W/1500W
- Variable thermostat control
- Thermal overheat protection device
- Tip over protection switch
8 
Hylite HHT205 500mm Slimline Eco Heater with Built in Thermostat (55W)
Ecoheater
- Efficient low-cost 55W tube heater with built-in thermostat which minimises energy usage
- Easy to fit and supplied with brackets for wall mounted or floor standing operation and 1.5m push-fit cable and UK PLUG which can be disconnected when the heater is not in use
- Matching Slimline safety guard also available to buy separately HHG205 *Highly recommended* complete with cut out for access to alter thermostat setting.
- IP44 rating for water resistance Fully CE certified and BS EN 60335/1:2002 compliant. Feature automatic heat sensitive cut-out
- Manufactured in high quality seamless tube with easy-clean, white enamel finish
9 
SUNHOUSE SHTTH2 80W Low Energy Tubular Heater 2ft Tube with Built in Thermostat with Mounting Brackets
Sunhouse (Dimplex Group)
- 80W tubular heater including wall mounting brackets
- Built in thermostat
- Approx 2ft in length (713mm Total length)
- Designed for continuous operation
- Splash proof to IPX4 standard
10 
Warmlite Portable Electric Oil Filled Radiator, Adjustable Temperature Thermostat, Overheat Protection, 5 Fins, 650 W, O...
Warmlite
- Energy-efficient and ideal for homes, caravans, conservatories and office environments
- Five heating fins and adjustable thermostat provide a range of heating options
- Easy access carry handle for portability
- Overheat protection feature provides added peace of mind when in use; pressure tested for safety
- Fin size: 100 x 330 mm
- Comes with 1-year guarantee, get extended 1-year warranty upon registration
