More than one million air conditioner units were purchased in 1953. British scholar, S.F. Markham once wrote, “The greatest contribution to civilization in this century may well be air conditioning…and America leads the way.” I think Markham may be right. The time for A.C., however is waning, and air conditioner maintenance is becoming less and less of a problem. Winter is steadfast on her way, and with her, furnace repair. Although the window unit air conditioner was released for public consumption in 1932, it took decades for air conditioner installation to become affordable for the general public. It was no