"Storage heaters" refer to electrical heating appliances that store heat during off-peak hours, typically at night, and release it slowly throughout the day to heat a room or building. Full definition
So is it time to bring back the dreaded storage heater? (passivehouseplus.ie)
Neothermal Energy Storage Inc, Halifax, NS — Neothermal Energy Storage is addressing the high cost of indoor heating with an innovative electric thermal storage heater for residential supplemental heating. (voltaeffect.com)
It needed rewiring and replumbing and had blue carpets in every room, along with magnolia woodchip walls, night storage heaters and an old kitchen with three fridges. (idealhome.co.uk)