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Johns Island, South Carolina · Heating & furnaces

Heating & furnace contractors in Johns Island, SC

4 heating & furnace contractors in Johns Island, out of 9 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros
4
Avg. score
62.8
Scored
4

Summary

Data last updated

As of October 14, 2026, the ProComfort Registry lists 4 heating & furnace contractors in Johns Island, South Carolina. Most-listed specialties: air conditioning (2), commercial (1), refrigeration (1). 4 have enough public signals for a Registry Score, averaging 62.8 out of 100; 3 score 70 or higher. Together they hold 913 public reviews on Google, Yelp and Facebook. The highest-scored is AGL Heating & Air, at 87 out of 100. 1 is Featured for 2026. View AGL Heating & Air.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–4 of 4

Heating & furnace contractors in Johns Island: at a glance

How many heating & furnace contractors are in Johns Island, South Carolina?
As of October 14, 2026, the ProComfort Registry lists 4 heating & furnace contractors in Johns Island, South Carolina.
Who is the highest-scored heating contractor in Johns Island, South Carolina?
By Registry Score, AGL Heating & Air (Johns Island, SC) ranks first at 87 out of 100, among 4 scored businesses averaging 62.8. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
Which companies are featured in Johns Island, South Carolina for 2026?
ProComfort Registry features AGL Heating & Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
How are heating & furnace contractors in Johns Island, South Carolina ranked?
By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.

What this list includes: businesses whose public category or name points to heating: furnaces, boilers, heat pumps or radiant heat. Tags come from each business's public category and name, so a company can appear under several trades. Heating & furnace contractors across the US