![]() A solid-state relay is an electronic switch that turns on or off when voltage is applied across the control terminals. Instead, we’ll use a solid-state relay instead (around £11). Due to the power levels that electric heaters draw, we can’t do the switching through the thermostat. To do this we need to interrupt the live power cable to the heater, letting the thermostat toggle this on and off. Using a smart thermostat we want to be able to toggle the fan heater to come on and off. Choosing the components that you needįirst, you need to understand how the system works. This project is designed to work with a single radiator only, although an electrician could adapt the design so that it works with a full electric heating circuit. I use a Honeywell HZ-510E1 Heavy Duty Fan Heater (£99).īuy: Tado Smart Thermostat Starter Kit for just £199.99 Many, fancier, electric heaters turn on in standby mode, which is no good. Next, you need to have the right type of electric heater: one with a physical, manual on/off switch that can be left in the on position, so that when power is turned on, the heater comes on. As a result, you should seek help from a qualified electrician: think of this as a guide to show what you want to achieve. Before you start, it’s important to point out that this project involves working with mains electricity. This is the same set up that I use to test smart thermostats, as it gives me an easier way to switch out different review products. ![]() Smart thermostats are primarily designed to be used with central heating boilers, but what if you want to manage an outbuilding or somewhere else with an electric heater? Here, I’ll show you how to use a smart thermostat with an electric heater.
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