Cold-Climate Air Source Heat Pumps
High-efficiency technologies like air source heat pumps (ASHPs) have significant potential to improve space-heating efficiency and reduce energy costs for houses in cold climates. ASHP technology has been available for many years, but until ...
Canadian building scientists and a family of four set out to build a home that uses nine times less energy than the average - and half the water. [continue reading]
Enlarge Image> On October 13, 2009, the Air-Conditioning, Heating and Refrigeration Institute (AHRI) signed an agreement with environmental advocates and other groups, notably the California Energy Commission and leading utilities. This agreement on regional standards for ... [continue reading]
Electrically Commutated Motors (ECM) in air-handler fans promise improved efficiency. But does improved technology necessarily mean efficient HVAC systems? [continue reading]
The mantra of responsible new home building has been make it tight and ventilate right. Works for existing homes too. [continue reading]
The relationship between tree shading and summertime home energy consumption has long been a topic of interest, and has been the subject of many simulations and small-scale studies. A recent study, led by Geoffrey Donovan, ... [continue reading]
Today, the Home Performance Coalition (HPC) calls on policymakers, industry leaders, energy program managers and contractors to redefine home energy ...
Zero-energy (ZE) homes—efficient homes that produce or procure as much renewable energy as they consume over the course ...