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Dry Charged R22 Units

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, dry charged R22 unit refrigerants as opposed to new regulation R410A refrigerant.

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