Knoxville’s HVAC Experts Since 2001

"I am so glad I called this company. Matthew was so patient with all of my questions, understanding, and quite accommodating of my special health needs. He went above and beyond to find the best solution for me. Like calling another worker to bring a different cleaning option for us. I appreciate tha…"

"HCS is my go-to for HVAC service!. The prices are very fair but as important to me is the quick response when I need help. I called this morning and by 3:00, they had been out and had everything fixed. It’s a cold day, so we really appreciate getting the heat back!"

"HCS Mechanical was fantastic to work with and didn’t try to push unnecessary upgrades/upcharges. The two technicians that came out to install our system were respectful, kind, knowledgeable and were able to answer all the questions we asked. They also made sure to clean up and leave things the way…"