Over 20 years ago Southwest Air Conditioning and Heating put in our unit and we had such a great experience with them throughout the years that I contacted them again to replace the old unit with a new one - AC heat pump. The prices are fair. Southwest Air Conditioning and Heating are very convenient, and very reliable; if there's an emergency they always come out immediately to check out the situation. I have no complaints, we are very pleased, and would highly recommend this company because they are dependable, quick and provides excellent services.