Arctic Air Inc
“We did have to eventually replace our system and Mike sat down with me to show my options with units and financing, we know can control the thermostat with an app on our phone.”
Best HVAC Contractors in Summerville, SC
24 companies listed · all 24 in Summerville · 9 open 24/7 · 19 open weekends · 21 rated 4.5+
Data verified October 18, 2026
All Star Heating & Air
“It's rare in today's day and age to experience such personable and professional qualities from businesses anymore, which made it all the more refreshing to experience All Star's service.”
JAC Services
“At the end of all of it, JAC services gave us a much more competitive price and the technicians provided the expert feedback that seemed to have our family's best interests in mind.”
Acute Heating & Cooling
“When I needed my units replaced, I got multiple quotes from local businesses and Acute had competitive prices and convenient appointments and worked with me to get the best units for me needs and won my business.”
Reliable Heating & Air
“He took before and after pictures, found the root cause of the problem and called me BEFORE proceeding with the repair, so that I was in full agreement with the repair process and the final quote.”
Turner Heating & Cooling
“I called to set up a service call, and after briefly explaining the issue, they told me it was likely a quick fix that I could resolve on my own, and even told me how to do it.”
The 24 companies listed for Summerville, SC work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Summerville, SC
All 24 companies we list here are in Summerville itself. We have 28 companies in Summerville on file; this page shows the highest-rated 24. The companies on this page are rated from 4.0 to 5.0 across 1,728 reviews; 11 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (88%) and punctuality (86%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "efficient". 9 are open around the clock; 19 are open on Saturdays and 12 on Sundays. The services the companies on this page list most often on their websites are air conditioning services (2), commercial hvac (2), commercial refrigeration (2), heat pumps (2) and heating services (2). 7 show a license on their websites; 2 list staff certifications (NATE) and 4 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 72 years. 11 offer emergency call-outs; 9 offer financing or payment plans; 7 give free estimates; 8 are family- or locally-owned and 9 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Summerville answer no-heat calls at night?
Round the clock availability appears in 9 of the 24 listings on this page. An overnight visit is usually a diagnosis and a temporary fix, since supply counters are shut until morning. Ask what the after hours call out is before the truck leaves.
Pros Heating & Air Conditioning
“We had Wes and Anthony replace our unit in a timely manner, with no mistakes, no messes, and above all else gave us a comfortable feeling, knowing they were servicing our home correctly.”
Oceanview Heating and Air Conditioning Repair
“They even left a tool in place on the outside unit while they ordered an additional part that was outside of the scope of the job, just to get us up and running that day!!!!”
Local Mechanical Heating & Air
“I wanted to take a moment to express my gratitude for the exceptional service I've received over the past 2 years from Local Mechanical Heating & Air.”
Brady Heating & Air
“Any issues I've had with our heating and AC, Allen has been thorough and detailed in explaining the issue and providing options on how to get things fixed without breaking the bank.”
Plumbing Professionals
“Issac was on time (actually a little early) and went above and beyond to replace my water heater, expansion tank and fix up some of the plumbing pipes and connectors that weren't up to code.”
Reasonable Air
“Grant and his team tracked down the replacement part and went to pick it up at the distributors so that he could install and have the heating system back on line that night.”
J W Long Heating & Air Conditioning
“This company was incredibly responsive in an emergency situation when our system stopped working.”
Coastal Carolina Comfort
“After doing extensive research on major HVAC businesses operating around Dorchester County I scheduled an appointment with Coastal Carolina Comfort LLC to compare prices and customer service.”
Airhandlers Heating and Cooling
“I am so pleased with the service I received!!!!”
Accurate Air by George
“Excellent service and a fair price”
Assured
“Cullen was a great technician, serviced my A/C in no time.”
Heritage Plumbing & Hvac
“Even though they're not residential they're basically commercial they still took the time to call me back about my house”
Morco Refrigeration Services Inc
“As Chief Engineer of a Charleston Cutter, MORCO and his team have performed outstanding troubleshoot, repair, and changeouts of my shipboard A/C units and reefer units.”
Thompson Heating & Air
“Eric replaced my old worn out A/C system with a new, modern heat pump.”
Christie Brothers Heating & Air
Socon Service Inc
Frigid Air Concepts LLC
“Keith was awesome, he showed up in less than 30 minutes on Memorial Day and fixed my AC in 30 minutes and has the most reasonable pricing I have ever had for an HVAC service.”
Southern Hvac LLC
“Very pleased with the service, professional techs, courteous and on time.”
Why these companies made our list
What customers say about companies in Summerville
- “I would definitely use Reasonable Air again! They came on a Saturday and were very knowledgeable and on time.” — customer of Reasonable Air
- “Their crew showed up on time, cleaned our ductwork and explained the whole process as they were working.” — customer of Coastal Carolina Comfort
- “Chris is a true professional! He went over every step before installing so there were no surprises.” — customer of Reliable Heating & Air
- “This is a family business and the entire team is courteous and very easy to work with.” — customer of Coastal Carolina Comfort
- “They have excellent customer service and answered every question that we had both before and during our recent service call.” — customer of Reasonable Air
Excerpts from public reviews of the companies listed on this page.
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