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Best HVAC companies in North Charleston, SC

The highest-scoring HVAC company in and near North Charleston is Alexander Heating & Cooling (score 81, 5.0 stars from 481 Google reviews). 3 companies meet the 5 Star standard within 25 km.

Last updated Sep 25, 2026How we rank
  1. 1

    Alexander Heating & Cooling

    5.0 · 481 Google reviewsCharleston, SC
    Financing availableBackground-checked
    81SCORE
    (843) 608-1689 WebsiteFull profile
  2. 2

    Aptus Home Services, HVAC, Plumbing & Electric

    5.0 · 200 Google reviewsMt Pleasant, SC
    InsuredEmergency serviceFinancing availableBackground-checked
    76SCORE
    (843) 588-4211 WebsiteFull profile
  3. 3

    Coastal Carolina Comfort

    4.9 · 165 Google reviewsSummerville, SC7 years in business
    InsuredFamily-ownedFree estimatesEmergency service
    65SCORE
    (843) 474-4562 WebsiteFull profile

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near North Charleston qualify, they'll appear here automatically.

Compare the top 3

Top HVAC companies in North Charleston by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Alexander Heating & Cooling815.0481–Charleston
2Aptus Home Services, HVAC, Plumbing & Electric765.0200–Mt Pleasant
3Coastal Carolina Comfort654.91657Summerville

HVAC companies in North Charleston: quick answers

Who is the highest-rated HVAC company in North Charleston, SC?

Alexander Heating & Cooling has the highest 5 Star Score among HVAC companies in and near North Charleston: 81 out of 100, with a 5.0 star Google rating from 481 reviews.

How many 5 Star HVAC companies serve North Charleston?

3 HVAC companies meet our standard within 25 km of North Charleston: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 3 have 846 Google reviews between them, averaging 4.97 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.