Heating controller cheaper than previous model and consumers will not require a boiler engineer to install itGoogle’s latest smart-home product is a cheaper smart thermostat that anyone can install themselves without the need for a boiler engineer.The new £199 Nest E learning thermostat is a two-part system consisting of a battery-powered heating controller called the Heat Link E, which replaces an existing wired thermostat or heating controller, and a smart thermostat that can be placed somewhere else in your home.Nest Learning Thermostat third-gen: the simple, effective heating gadget Continue reading