Passive house aggressively tackles energy efficiency using Alpen’s 725 series fiberglass windows
- Date: Jul 23, 2013
- Tags: 725 series, Alpen 725 series, Alpen Fiberglass Windows, Alpen Windows, Fiberglass Windows, Passive House
- Categories: Passive House News
Here’s an article featuring Missouri’s first Passive House which used Alpen’s 725 series fiberglass windows.
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