A friend recommended McQuerry's 24hr Heating and Air when I mentioned that my unit busted. It was very easy to call them up and make an appointment. The technician arrived at my home in a timely manner and was professional. It cost me $10,000 dollars to get a new air conditioning and heating unit, the price was high but I am happy with the work. I am considering using McQuerry's again to do the yearly check up on the new unit. I recommend them!