Buildings, especially homes, have gotten a lot more efficient in the last 30 years, as this graphic illustrates:
(click on graphic for enhanced view)
The 2012 IECC Building Code is coming to a state near you (hello, Illinois) and that's changing the way builders operate, bid and construct new buildings. People don't much like change, and we get that. Stiffer codes mean higher first costs, but lower operating costs. As painful as the transition is, the payoffs -- and the return on investment -- are there.
We're on the State of IL approved list for blower door testing of new construction, and we're ready to help homeowners and home builders make the transition.