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 ...

The forced-air heating and cooling systems that keep our homes comfortable year-round require very little maintenance. In most cases, all you must do to keep the equipment operating at peak efficiency ...

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Furnace filters designed to act as whole-house air filters add stress to the blower in an HVAC system by impeding airflow. Two design adjustments at installation can resolve this issue and potentially ...