3 ms·
tear it out and put a new one. There are models from airscape that come with motorized dumper doors with insulation. When fan is off, it's sealed.
by tguvot 4y ago
tear it out and put a new one. There are models from airscape that come with motorized dumper doors with insulation. When fan is off, it's sealed.
- bluGill 4y agoThanks for that. I wasn't even aware that I had an option to get one that wasn't sending all my winter heat out.