KRF-HEAT-KIT is a 24-volt RF wireless thermostat platform designed to control electric resistance heaters, including both fan-driven and baseboard models without running new wires through walls, simplifying installation. The kit includes a 7-day programmable thermostat that communicate wirelessly to a 20A 120/240-Volt relay that is wired to the heating unit. For added flexibility, the system supports optional RF sensors for customized comfort control. It can detect when people are in the room or when a window or door is left open, adjusting the temperature accordingly. Plus, multiple rooms can be paired to an optional wireless master switch, allowing the entire building to be set back with the push of a button.