Shutting the vents in empty rooms looks like an easy saving. HVAC pros explain why it can backfire. The post Many people close the heating vents in rooms…

Shutting the vents in empty rooms looks like an easy saving. HVAC pros explain why it can backfire. The post Many people close the heating vents in rooms they don’t use: HVAC pros explain what really happens appeared first on TheCoolist.

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