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How does an HVAC system work?

HVAC Basics

Anyssa Guerra-Garcia avatar
Written by Anyssa Guerra-Garcia
Updated over 4 years ago

When cooling your home, the system circulates the air from your living area past cold coils and then forces this cold air through the vents back into the living space. When heating your home, the opposite happens. Hot air exits the vents after being heated by the furnace.

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