Roughly 13 Million U.S. Homes May Still Rely on R-22 HVAC Systems
An industry estimate suggests more than 15% of the installed residential AC and heat-pump base still uses R-22, potentially representing around 13 million U.S. homes.
An industry estimate suggests more than 15% of the installed residential AC and heat-pump base still uses R-22, potentially representing around 13 million U.S. homes.
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