Morelli Heating & Air Conditioning Inc.
“I have to say even tho I don't work with them anymore I have to say if ur looking for a job I have to say they are the one that are the best and I do miss working with them I hope all is well”
Best HVAC Contractors in North Charleston, SC
24 companies listed · 10 in North Charleston · 8 open 24/7 · 15 open weekends · all 24 rated 4.5+
Data verified October 15, 2026
Sing Heating and Air
“He was professional, explained everything what he was doing, told me up front how much the new part would be & then he had it and installed it efficiently.”
Pardee Service Experts
“Spent time explaining the install, features of new system, and friendly, extremely polite and customer focused”
Myatt Air Conditioning LLC
“I had purchased a unit only 3 years ago (NOT FROM Myatt) and have constantly had issues with it and the company continued to come out to service it - charge me and NEVER fix it.”
Smoak's Comfort Control
“He worked very hard at ensuring our entire hvac system was properly serviced and also diligently tried to revive a very old unit that needs replacement.”
5 Star Charleston Heating and Air
“Cody came out the next morning and explained exactly what was going on (in words I could actually understand) and that I absolutely did not need to spend thousands to fix it.”
The 24 companies listed for North Charleston, 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: North Charleston, SC
Of the 24 companies we list here, 10 are in North Charleston itself and 14 come from Charleston (9 mi). The companies on this page are rated from 4.5 to 5.0 across 19,798 reviews; 20 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (90%), responsiveness (85%) and quality (81%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "informative". 8 are open around the clock; 15 are open on Saturdays and 14 on Sundays. The services the companies on this page list most often on their websites are heating (4), indoor air quality (4), plumbing (3), air conditioning (2) and commercial hvac (2). 10 show a license on their websites; 3 list staff certifications (NATE) and 4 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 65 years. 10 offer emergency call-outs; 17 offer financing or payment plans; 8 give free estimates; 10 are family- or locally-owned and 14 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for North Charleston work on Saturdays or Sundays?
Saturday or Sunday hours show up for 15 of the 24 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
M&B Heating and Air
“They did it all in a reasonable amount of time, and even put down materials to protect our stairs and front door entry space, they also cleaned up all the little debris everyday before they left.”
Anchor Heating and Air
“Jonathan the technician was very knowledgeable, provided me with options for maintenance that was needed, it truly felt he had my best interest in mind.”
C&C Myers Heating
“I really appreciated all of the information he provided and how well he clarified where priority repairs were needed and things we just needed to keep an eye on.”
Terrace Heating & Air
“My only comment is that I wish tech had informed me of what the problem was and cost of repair prior to installation Other than that, I am extremely pleased with prompt service!”
Air Pros Heating and Cooling LLC
“When Darrell first came to my house to diagnose the issue, he took the time to show me the issue and to find out what was important to me in replacing the old unit.”
Holy City Heating & Air
“They found 4 mistakes that the original installer (a big name company that was contracted by our builder) had made and got us from 70-80% humidity year-round to ~50% with a few pieces of tape.”
Limric Plumbing Heating & AIR
“Another great team member that has come to our house, we appreciate the great guys you send to our home, he stayed till he figured out what our issue was”
Preferred Home Services
“Had someone come out to do an AC/heat pump maintenance and he did a good job but told me I needed to do about $7000 worth of upgrades/work although my unit is only two years old and the duct work is only 4 years.”
Alexander Heating & Cooling
“Our AC quit working earlier today & after calling numerous places to get an estimate on how much it would be (Alexander's was the best price) Chris was the only one able to come out same day to fix it for us.”
AC Heating and Air Conditioning Services
“He talked me through to federal and South Carolina rebate programs to help save every penny possible while ensuring a quality unity was selected that met the needs of my family.”
Charleston Heating and Air
“Justin and Dustin were patient and took the time to discuss both of my HVAC systems with me, and were professional and efficient in repairing one of the systems.”
Blake & Sons Heating & Air
“Our AC unit stopped blowing cold air, so I made an appointment for the next day--then they called and said that they could actually get to us the same day I called.”
Max Mechanical Heating and Air
“My HVAC unit was dying in August and they were quickly able to get me on the schedule and get a whole new unit installed in a few hours and at a great competitive price.”
Charleston Real Estate Repairs
“I am the first to add a review because they largely get their business from my condo complex and have stellar WOM so they don't ask for them; but my digital marketing guru self told them it's important :)”
Customer's Preference
“He then walked me through some suggestions to better help maintain my unit but in no way made me feel bad for not being able to afford to do everything all at once.”
Carolina Climate Control
“He was able to quickly identify the problem and he did a wonderful job explaining exactly what needs to be done to fix the issues we were experiencing.”
North Charleston Comfort Heating & Air Conditioning
“Knowledgeable, and helpful quickly answering questions about all the brands they support as well as willing to determine solutions with brands that are not in their main supported line.”
O&R Heating & Air
“Fantastic experience - showed up on time, quote was reasonable, scheduled me promptly and install was flawless”
Why these companies made our list
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