Heaters, Boilers and any gas-powered home appliances are fed by gas lines. Follow the gas line until you find the valve and turn the handle across the pipe to stop the flow of gas.
Here are some tips on how to prepare your heating system for the cold Winter season.
A step by step process on how update your fan settings on your home thermostat.
A step by step process on how to update the humidity level on your home thermostat.