"That is pretty incredible.If they have the kind of air leakage into the attic implied by their ice dam problems I expect condensation and associated issues.
It sounds like Costco isn't getting top grades for this service, even from friends:…"
HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More
In some ways building a new house hasn't changed much over the last 100 years. Some builders are changing the way a home is constructed to make sure the hous... From Alliant Energy PowerHouse TV Channel on YouTube