85
ExceptionalDutton Plumbing Simi Valley CA
FeaturedSimi Valley, CA 93065 4.6(3,639 reviews)
HVACPlumbingHeatingA/C
Simi Valley, California · HVAC
HVAC contractors in Simi Valley, CA
7 HVAC contractors in Simi Valley, out of 7 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 7
- Avg. score
- 65.9
- Scored
- 7
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 7 HVAC contractors in Simi Valley, California. Most-listed specialties: heating & furnaces (5), air conditioning (5), commercial (1). 7 have enough public signals for a Registry Score, averaging 65.9 out of 100; 4 score 70 or higher. Together they hold 4,783 public reviews on Google, Yelp and Facebook. The highest-scored is Integrity Comfort Systems, at 93 out of 100. 3 are Featured for 2026. View Integrity Comfort Systems.
Counts come straight from the Registry's records. How the Registry Score works
Featured HVAC contractors in Simi Valley
72
StrongSimi Valley, CA 93063 4.8(79 reviews)
HVACHeatingA/C
28
DevelopingShowing 1–7 of 7
93
Exceptional85
ExceptionalSimi Valley, CA 93065 4.6(3,639 reviews)
HVACPlumbingHeatingA/C
72
StrongSimi Valley, CA 93063 4.8(79 reviews)
HVACHeatingA/C
70
StrongSimi Valley, CA 93065 4.8(109 reviews)
HVACHeatingA/C
58
EstablishedSimi Valley, CA 93063 4.2(8 reviews)
HVACHeatingA/C
55
EstablishedSimi Valley, CA 93063 4.3(13 reviews)
HVACHeatingA/C
28
DevelopingHVAC contractors in Simi Valley: at a glance
- How many HVAC contractors are in Simi Valley, California?
- As of October 14, 2026, the ProComfort Registry lists 7 HVAC contractors in Simi Valley, California.
- Who is the highest-scored HVAC contractor in Simi Valley, California?
- By Registry Score, Integrity Comfort Systems (Simi Valley, CA) ranks first at 93 out of 100, among 7 scored businesses averaging 65.9. 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 Simi Valley, California for 2026?
- ProComfort Registry features Dutton Plumbing Simi Valley CA, Service Heroes Heating AC and Insulation, United Mechanical Contractors. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are HVAC contractors in Simi Valley, 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