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Best HVAC companies in James Island, SC

The highest-scoring HVAC company in and near James Island is Alexander Heating & Cooling (score 81, 5.0 stars from 481 Google reviews). 2 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

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

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HVAC companies in James Island: quick answers

Who is the highest-rated HVAC company in James Island, SC?

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

How many 5 Star HVAC companies serve James Island?

2 HVAC companies meet our standard within 25 km of James Island: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 2 have 681 Google reviews between them, averaging 5.00 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.