Unlike furnaces, which rely on natural gas, propane gas or oil for heating ... air to warm a home by transferring it through coils. The heat is released indoors, increasing the home’s temperature.

To heat the home, a liquid refrigerant in a copper coil extracts heat from the atmosphere ... Heat pumps are as much as four times as efficient as natural gas furnaces because they merely move ...

Gas heaters use natural gas or propane gas as an ... electric service as their primary source of energy. Heat is created by electric coils and an electrically operated blower or fan pushes the ...

The natural gas line to the house will come out ... Trent Pickford, a lead installer with CM Heating, makes sure a new HVAC coil is level before fastening it in place Friday, at a home in Woodinville.

Fluid refrigerant in coils in a unit outside ... utilities and workers has advocated for natural gas as the “most cost-effective means for cooking, heating homes, and powering businesses.” ...