As the days go from cool to cold and the last leaves fall from the trees, it's time to admit it. Yes, winter is coming. It's not even the snow and ice that most of us mind so much, it's the stale, cooped-up atmosphere indoors. That's why many homeowners are looking for a good ventilation system, to get nice fresh air without opening a window when it's 10 or 20 below outside. You may have heard of whole-house ventilation systems — HRV (heat recovery ventilator) and ERV (energy recovery [...]
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