I’ve been looking for exterior doors for a residential addition project, and came across http://www.nicksbuilding.com awhile back. They appear to be a midsize regional maker of doors and millwork. The quality seems relatively high and they mention insulated glass/double glazing, but there is zero performance data on their site. No mention of testing, and searches for terms like “NFRC,” “SHGC,” or “leakage” on their site return zero results.  My own state’s energy code requires this basic info, so I was wondering if anyone else has dealt with “untested” door or window products like these?