HVAC to Whole-House Performance Contractor?
Guidelines and best practices for making the profitable transition into whole-house work.
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]
A mountain of data leads to an unusual conclusion - sometimes bigger is not so bad. [continue reading]
Here are the final numbers for my Energy Upgrade California home retrofit. Table 1. Air Leakage (CFM50) Test-in air ...
The net-zero energy test house at the National Institute of Standards and Technology (NIST) in suburban Washington, D.C., not ...