Residential Buildings

This report is the first part of a planned two-phase study indentifying trends and workforce issues in the energy efficiency industry. The primary purpose of this research is to provide up-to-date ...

Decorating with “holiday lights” is becoming more of a year-round activity. As more lighting is used and as energy rates climb, consumers find that decorating with lights is costing more. Most peo ...

Compare your home's energy efficiency to similar homes across the country and get recommendations for energy-saving home improvements. ...

Heat pumps are a well-established technology for space heating. The same principle of transferring heat is at work in heat pump water heaters (HPWHs) except that the heat they extract from air (in ...

As the demand for solar electric systems grows, progressive builders are adding solar photovoltaics (PV) as an option for their customers. This overview of solar photovoltaic systems will give the ...