Gas and oil furnaces burn fuel to provide heat ... According to Gabrielli, “Exhaust gases go through one side of the heat exchanger, while your home’s interior air goes through the other ...

The first is the High Efficiency Electric Home Rebate Act (HEEHRA ... a blower housed in the air handler. All furnaces includes a heat source, heat exchanger and a blower. Some fuel-burning ...

Billions of heat exchangers are in use around the world. These devices, whose purpose is to transfer heat between fluids, are ...