phasing out of R-22 refrigerant

1970s air conditioning, HVAC

Time for a Cool Change: Air Conditioning in the 1970s

The 1970s brought us a lot of memorable trends, including new advances in HVAC technology that laid the groundwork for our current heating and cooling technologies. And Air-Tro has been keeping California comfortable since 1969! Call us today at (626)357-3535.