How Does Multi-Stage Heating Work?

multi-stage-heating

If you have an old furnace, you might wonder what new furnaces have that could benefit your home’s energy efficiency. Multi-stage heating is an excellent example of an innovation that helps your HVAC system work more effectively. Single-Stage Heating When you have a single-stage furnace, you have two options: on and off. Like a light switch, a single-stage furnace either … Read More