High heat retention electric storage heaters — smart, efficient, and ideal for properties without mains gas. Charges off-peak, releases heat exactly when you need it.
Modern high heat retention (HHR) storage heaters use advanced ceramic cores and smart electronic controls to charge during cheap overnight electricity hours, then release heat precisely when your home needs it — not all at once.
They're a practical, lower-cost-to-install alternative to heat pumps for homes off the gas grid, particularly when combined with an off-peak electricity tariff or home battery storage.
| Heater type | High heat retention (HHR) ceramic core |
| Output range | 0.6kW–3.4kW per unit |
| Charge window | Off-peak electricity hours |
| Install time | Half day per 3-4 units |
| Cost per unit | £400–£900 installed |
| Warranty | 2–5 years manufacturer |
Modern high heat retention storage heaters (HHR) are far more efficient than older night storage heaters, using smart controls to charge during cheap off-peak hours and release heat precisely when needed, minimising waste.
Modern HHR storage heaters typically cost between £400 and £900 per unit installed, depending on output size and room requirements. Most homes need 4-8 units depending on size.
Yes, electric storage heaters are a practical option for homes without mains gas, especially when paired with solar PV and battery storage to reduce running costs, or an off-peak electricity tariff.
Get a free, fixed-price storage heating quote today.