How much / Discussions

...How much insulation does a basement need? As for the thickness of concrete, 3 is on the lower end, usually we see 3.5 or 4 inches, but you’re probably best to leave that to your engineer / designer to determine.

...much worth the added cost–  How to choose the best windows for High Performance Homes   Low-E window technology provides a great way to increase comfort and reduce your heating and cooling bills As an example of how the total window surface area and quality of windows affects design, here is an example -  a Passive H...