High Heat Retention Night Storage Heaters

The Electrorad Thermastore HHR is a High Heat Retention (HHR) storage heater, recognised by BRE on the SAP product database of HHR storage heaters. Up to 40% lower running costs than electric radiators and up to 20% lower running costs than standard storage heaters (Calculated using SAP 2012)

Requires Economy 7 or Economy 10 off peak tariff operating from a single rate switching meter. The meter should supply 24hr electricity to the heaters but switch to cheaper rate during the off peak tariff times.

Thermastore HHR Storage Heater | High Heat Retention | 1650W – 3400W

In stock

Price range: £729.00 through £949.00
or £227.67interest-free for 3 months

Thermastore HHR 1650w

Wattage Icon1000w Heats up to 10m²
Dimensions (LxWxH): 720 x 185 x 730 mm

In stock

Original price was: £911.00.Current price is: £729.00.
or £243.00interest-free for 3 months

Thermastore HHR 2550w

Wattage Icon1500w Heats up to 15m²
Dimensions (LxWxH): 925 x 185 x 730 mm

In stock

Original price was: £1,003.00.Current price is: £802.00.
or £267.33interest-free for 3 months

Thermastore HHR 3400w

Wattage Icon2000w Heats up to 20m²
Dimensions (LxWxH): 1140 x 185 x 730 mm

In stock

Original price was: £1,188.00.Current price is: £949.00.
or £316.33interest-free for 3 months

Vanguard & Thermastore Wifi USB

Dimensions (LxWxH): 70 x 10 x 25 mm

In stock

£129.00
or £43.00interest-free for 3 months

Frequently Asked Questions

The Electrorad Thermastore HHR is an advanced storage heater that retains heat more efficiently than standard models, offering up to 40% lower running costs compared to electric radiators and 20% lower than traditional storage heaters.

It requires an Economy 7 or Economy 10 tariff, which provides cheaper electricity rates during off-peak hours.

It charges during low-rate periods (typically at night) using a dual-rate meter that supplies 24-hour electricity, switching to a cheaper rate during designated off-peak hours.

It includes adaptive charging technology, fan-assisted heat distribution, open window detection, app and optional voice control, and a geolocation function that adjusts heating based on your location.