Mr Mark was very professional and informative. He replaced my thermostat and duck work. He found a couple extra holes in the boxes and fixed them knowing I couldn’t pay extra. He went above and beyond to make sure my family was comfortable this summer. I will be recommending him to all my friends and family.

There are times you need to hire a professional to repair, or in extreme cases, replace your HVAC system. At those times you wonder if the person you’re hiring is competent and has your best interest in mind. Should you ever find yourself in this situation do not hesitate calling Mark at Corna Heating and Air. He was prompt, professional, knowledgeable and an all round friendly guy. He got us a fair price on a system to replace our 30 year old equipment which gave up the ghost. He explained everything along the way and even made extra trips to get parts he needed instead of jerry rigging something to get the install done quicker. To me, when you’re spending that kind of money, doing it right the first time is crucial. His follow up commitment also proved to me we hired the right guy from the start. We are very happy with his workmanship and highly recommend him for any HVAC work you need done.

I called Corna Heating and Air to diagnose the problem I was having with my AC. Mark Corna replied promptly. He checked my AC unit, found the problem, and quoted me a reasonable price to fix it. I accepted his price and he completed the job the same day. Now my AC is as good as new. I will definitely recommend Corna Heating and Air to all my family and friends who are having AC problems. Can’t beat this service.

Corna Heating & Air installed a mini-split air conditioner unit on my lanai, and I am very pleased with both the workmanship and attention to details. Additionally, Mark’s patience in explaining how to operate as well as assuring me that he is available should I have any additional questions/concerns was a real plus.

I manage Kuttin’ UP Barbershop at 7880 W Dunnellon Rd. Our system failed and Mark came right out. He was very professional and knowledgeable, he had us back up and running in no time. Corona heating and air is very affordable and does great work. I would recommend them to anyone.

My family truly had an experience with this HVAC company that blew away and exceeded our expectations which is the reason i’d like to share this review for your company. We called several Air Conditioning companies for estimates here in Marion county, Dunellon and Citrus Springs area to give us quotes on a new A/C system for our home, with Corna Heating and Air we ended up saving a few thousand compared to the next lowest quote, Corna Heating & Air installed a brand name upgraded product with turbo like air and the highest efficiency. The turn around for install was seemlessly amazing and 3 weeks sooner than several other companies and the communication, cleanliness, professionalism made the best experience we’ve ever had with an A/C company. Great job Corna Heating and Air, you did everything you promised and more, know we will recommend you to all can use your service you truly earned this review.