Learn what happens if you don't change HVAC filters. Degraded performance and system failure may occur if you don't change HVAC filters.

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Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

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The HVAC filter system for a building is a point of defense in protecting against contamination. Accidental contamination (Legionnaires' disease, mold) or deliberate terrorist contamination (anthrax, ...

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