Plumbing Blog

Dry-Charged Unit

In the past several years, air conditioning manufacturers have begun building heat pumps and A/C units that don’t have refrigerant added. These units are often referred to as “dry-charged units.” Air conditioners that are dry-charged can legally be sold throughout the United States, even though they are equipped to be used with older, R22 refrigerant as opposed to new regulation R410A refrigerant.

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