Weatherization and Indoor Air Quality
Air sealing is one of the best ways to lower heating-and-cooling bills for many home weatherization programs, and especially so for the federal Weatherization Assistance Program (WAP). Most homes receive blower door-guided air sealing to ...
Thirteen steps to taking your contracting services to the next level [continue reading]
The International Energy Conservation Codes (IECC 2009 and 2012) require HVAC ducts to be tested to prove a minimum leakage of a rather easily obtained 12 CFM/100 square feet of conditioned floor area. While many states and localities ... [continue reading]
Month after month, you review your maintenance agreement numbers and find that they are dwindling each time you look at them. The last few years may have been tough in a lot of different areas ... [continue reading]
Send in your stumpers! You know - that problem house, symptom or combination of symptoms that confounded the homeowner and challenged all your building science savvy to solve. Send BPI a description of the problem &... [continue reading]
After I described how air can get sucked down the chimney and vent connector and flue, and out the draft diverter of the gas water heater, and into the basement, the mother, who was now ... [continue reading]
A 2015 study, “Impacts of global warming on residential heating and cooling degree-days in the United States,” comparing heating ...
“Why do you need to cool and heat the whole building? Why don’t you cool and heat ...