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HVAC technician: Test your heat and change filters before weekend cold

HVAC technician: Test your heat and change filters before weekend cold
Photo: WSMV 4 News (NBC affiliate) · view original

What This Story Is About HVAC technicians in Nashville said people should test their heat, change their air filters and schedule maintenance before temperatures fall this weekend. Why It Matters A system that runs all day can break, and some systems may not heat enough once temperatures reach fre...

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