85
ExceptionalEl Cajon, CA 92020 4.9(522 reviews)
HVACPlumbingHeating
El Cajon, California · Heating & furnaces
Heating & furnace contractors in El Cajon, CA
36 heating & furnace contractors in El Cajon, out of 45 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 36
- Avg. score
- 59.8
- Scored
- 36
Summary
Data last updatedAs of October 15, 2026, the ProComfort Registry lists 36 heating & furnace contractors in El Cajon, California. Most-listed specialties: air conditioning (33), commercial (3), refrigeration (1). 36 have enough public signals for a Registry Score, averaging 59.8 out of 100; 14 score 70 or higher. Together they hold 8,341 public reviews on Google, Yelp and Facebook. The highest-scored is West Coast Heating Air Conditioning and Solar, at 90 out of 100. 10 are Featured for 2026. View West Coast Heating Air Conditioning and Solar.
Counts come straight from the Registry's records. How the Registry Score works
Featured heating & furnace contractors in El Cajon
83
StrongEl Cajon, CA 92020 4.9(2,334 reviews)
HVACHeatingA/C
81
Strong63
EstablishedShowing 1–20 of 36
90
ExceptionalEl Cajon, CA 92020 4.9(692 reviews)
HVACHeatingA/C
90
ExceptionalEl Cajon, CA 92020 4.9(2,265 reviews)
HVACHeatingA/C
88
ExceptionalEl Cajon, CA 92020 4.8(97 reviews)
HVACHeatingA/C
85
ExceptionalEl Cajon, CA 92020 4.9(522 reviews)
HVACPlumbingHeating
85
ExceptionalEl Cajon, CA 92020 4.9(230 reviews)
HVACHeatingA/C
83
StrongEl Cajon, CA 92020 4.9(2,334 reviews)
HVACHeatingA/C
82
Strong81
StrongEl Cajon, CA 92020 4.8(140 reviews)
HVACHeatingA/C
78
Strong77
StrongEl Cajon, CA 92020 4.9(430 reviews)
HVACHeatingCommercial
76
StrongEl Cajon, CA 92020 4.9(193 reviews)
HVACHeatingA/C
76
Strong76
StrongEl Cajon, CA 92020 4.8(286 reviews)
HVACHeatingA/CCommercial
71
StrongEl Cajon, CA 92019 4.6(13 reviews)
HVACHeatingA/CRefrigeration
63
EstablishedEl Cajon, CA 92021 4.8(59 reviews)
HVACHeatingA/C
59
Established58
EstablishedEl Cajon, CA 92020 4.5(11 reviews)
HVACHeatingA/C
58
EstablishedEl Cajon, CA 92020 3.5(6 reviews)
HVACHeatingA/C
57
EstablishedEl Cajon, CA 92021 4.3(33 reviews)
HVACHeatingA/C
56
EstablishedEl Cajon, CA 92019 4.1(18 reviews)
HVACHeatingA/C
Heating & furnace contractors in El Cajon: at a glance
- How many heating & furnace contractors are in El Cajon, California?
- As of October 15, 2026, the ProComfort Registry lists 36 heating & furnace contractors in El Cajon, California.
- Who is the highest-scored heating contractor in El Cajon, California?
- By Registry Score, West Coast Heating Air Conditioning and Solar (El Cajon, CA) ranks first at 90 out of 100, among 36 scored businesses averaging 59.8. 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 El Cajon, California for 2026?
- ProComfort Registry features Comfort Bros Heating Air & Plumbing, Airmaxx Heating & Air Conditioning, ACS/ American Comfort Services, Mark's Heating And Air. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are heating & furnace contractors in El Cajon, 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: 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