Category: Hvac air conditioning

  • What a Dirty Air Conditioner Looks and Sounds Like

    AC services and HVAC contractors have made one of the greatest contributions to quality of life in the 20th century, but they are not always appreciated for that. The British scholar S. F. Markham believed that air conditioning was the most important development of the 20th century, a claim that he made in 1947. There […]