77
StrongLake Forest, CA 92630 4.8(70 reviews)
HVACHeatingA/C
Lake Forest, California · HVAC
HVAC contractors in Lake Forest, CA
11 HVAC contractors in Lake Forest, out of 12 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 11
- Avg. score
- 67.1
- Scored
- 9
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 11 HVAC contractors in Lake Forest, California. Most-listed specialties: heating & furnaces (8), air conditioning (7), ductwork & IAQ (1). 9 have enough public signals for a Registry Score, averaging 67.1 out of 100; 5 score 70 or higher. Together they hold 2,499 public reviews on Google, Yelp and Facebook. The highest-scored is John Stevenson Plumbing Heating, at 87 out of 100. 2 are Featured for 2026. View John Stevenson Plumbing Heating.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Lake Forest
53
EstablishedShowing 1–11 of 11
87
ExceptionalLake Forest, CA 92630 4.9(486 reviews)
HVACPlumbingHeating
82
StrongLake Forest, CA 92630 4.9(1,063 reviews)
HVACHeatingA/C
78
StrongLake Forest, CA 92630 4.9(99 reviews)
HVACHeatingA/C
78
Strong77
StrongLake Forest, CA 92630 4.8(70 reviews)
HVACHeatingA/C
62
EstablishedLake Forest, CA 92630 4.0(177 reviews)
HVACHeatingA/C
57
Established53
Established30
Developing—
Not yet rated—
Not yet ratedHVAC contractors in Lake Forest: at a glance
- How many HVAC contractors are in Lake Forest, California?
- As of October 14, 2026, the ProComfort Registry lists 11 HVAC contractors in Lake Forest, California.
- Who is the highest-scored HVAC contractor in Lake Forest, California?
- By Registry Score, John Stevenson Plumbing Heating (Lake Forest, CA) ranks first at 87 out of 100, among 9 scored businesses averaging 67.1. 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 Lake Forest, California for 2026?
- ProComfort Registry features One Season Heating and Air Conditioning, Fahrenheit HVAC Repair. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Lake Forest, California 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: heating, ventilation and air conditioning businesses (furnaces, heat pumps, A/C, climate control). Tags come from each business's public category and name, so a company can appear under several trades. HVAC contractors across the US