Category: Air conditioning repair chicago

  • Tips on Heating and Cooling Repair

    Heating, ventilation, and air conditioning (HVAC) have been with us for a long time now. The main concept for air conditioning was first developed in 1820, when British scientist Michael Faraday discovered that compressing and liquefying ammonia gave it the ability to chill air as it evaporated. Then in 1850, the radiator (an important precursor […]