> natural gas relies on the grid to move the air too Natural gas heating relies on nothing more than convection to move hot water or (in older setups) steam fr

> natural gas relies on the grid to move the air too Natural gas heating relies on nothing more than convection to move hot water or (in older setups) steam from the boiler to the radiators. The only part of the setup where electricity is required is for electronic thermostats, and those can have a battery backup.