Should you close HVAC vents in unused rooms? Experts say no, and here's why

Sherman explains how an HVAC system works and why closing vents in unused rooms is a bad idea. “Your HVAC system is designed ...
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Should you keep crawl space vents open or closed? 'If you close unsealed ones without a dehumidifier, you're in trouble' – experts reveal how and when to close for less ...

Knowing whether to keep your crawl space vents open or closed at particular times of year will transform the moisture levels in your home. But get it wrong, and it could lead to wider structural ...