A Virginia retrofit pairs propane and electric to eliminate resistance heat, cut energy costs, and deliver consistent comfort ...

Dual fuel systems, with their combination of an all-electric heat pump and gas furnace, give homeowners the best of both worlds: comfort and energy savings, topped off with a healthy dose of saving ...

Heat pumps function similarly to refrigerators or air conditioners, which take warm air from one space and send it to another. In the winter, a heat pump transfers heat from the outdoors inside and, ...

Heat pumps work best when they’re part of a well-prepared home, to be installed when the building envelope is attended to; ...

How do you reduce greenhouse gas emissions from one of the largest sources — buildings — without breaking the bank or the grid? To answer that question, the utility Puget Sound Energy (PSE) turned to ...

New Hitachi air365 Hybrid system automatically switches between heat pump and furnace operation according to outdoor temperature sensors for a more efficient performance year-round IRVING, Texas, Sept ...

Japanese heavy machinery company Yanmar has introduced a new line of commercial rooftop units (RTUs) manufactured in the United States. The lineup includes a standard RTU, a heat pump with dual-fuel ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...

Winter weather is well on the way, along with increases in the cost to stay cozy. By upgrading to a dual fuel or ductless heat pump, Rocky Mountain Power customers can save up to 50% on their heating ...