Because they are cheap to install, reliable, long-lived and have very low maintenance costs, night storage heaters are popular in granny-flats and with landlords in cheap rented accommodation who do not worry that they are costly to run. Electric night storage heaters are a thing of the past. Or, are they a technology of the future? With moves to decarbonise space heating aren’t they like electric road vehicles? And with an increasing need to provide storage in electricity systems to balance intermittent energy sources, perhaps they have a role in countries that need heating in the winter months. READ ECA VIEWPOINT HERE