heat pumps, and window ACs. Instead of using thermostat wiring, these thermostats work more like TV remotes. You aim them at your heating and cooling units and connect them to your home WiFi ...

Say goodbye to electricians. Gradient's 120-volt All-Weather Heat Pump heats and cools up to 500 square feet and plugs right into a standard outlet.

This is because when a heat pump is in its heating mode, setting back its thermostat can cause the unit to operate inefficiently, thereby canceling out any savings achieved by lowering the ...