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Older home with this fan. It works but it’s old and the wiring is in bad shape. It’s 16” x 16” and fits right into the glass blocks to vent air out of the basement, I plan to use it to bring fresh air in from the other side on nice days. Any tips for a replacement? It doesn’t have to look like...

They make vent covers for crawl spaces but mine are an odd size. I need a recommendation for some sort of black, weatherproof plastic (or something) that can be cut to size and caulked into place to keep cold air and summer humidity out. I’m not able to block from the inside so I’m trying to...

We've moved into a home with a Slant/Fin boiler. Even with all thermostats set to OFF the boiler will kick on for about a minute once every hour or so. We're planning to have the entire HVAC system checked before cold weather sets it but I was curious about the boiler. It's all new to me. Do...