Meeting Energy Star criteria is the finish line for a normal window company.
Thermotech Fiberglass is not a normal window company.
For Thermotech Fiberglass, Energy Star’s criteria are the starting point. Most of our windows insulate 50% better and allow twice the passive solar gain of typical Energy Star windows.
Besides their maximum efficiency, our fiberglass windows appeal to an increasing number of discriminating buyers because of their durability and the myriad of custom features like hardwood interiors, custom sizing, divided lites and custom colors.
While we’ve always served the custom home market, both new and renovation, we are increasingly being specified in commercial work built to the LEED standard.
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