Refrigerant Changes Make Nitrogen’s Role in the Installation and Repair of HVAC Units More Important

Refrigerant Changes Make Nitrogen’s Role in the Installation and Repair of HVAC Units More Important

Have you noticed the increase in demand for nitrogen from your HVAC customers? You should have. As of January 1, 2010, HVAC manufacturers are no longer permitted to produce or import residential air conditioning units designed to use R-22, the refrigerant most commonly used in residential HVAC units since the ...

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