We all know that HVAC condensing units need refrigerant (or freon) to cool our homes, but did you know that there are many types of freon? You may have heard your HVAC technician refer to 410A or R22 when charging your system. These are just two blends commonly used in residential refrigeration. Their use is strictly regulated by the Environmental Protection Agency or EPA and only a licensed HVAC technician can purchase and charge your air conditioner.
Several years ago the EPA issuedClick here to read more.
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