To contact Aire Care Mechanical Heating & Cooling's customer support, you can call them at (865) 200-8577. They are open Monday to Friday from 8 a.m. to 5 p.m., and on Saturday from 8 a.m. to 2 p.m. For emergency services after hours, it's best to send a message through their website as they monitor it regularly to ensure prompt response[0].