77
StrongSignal Hill, CA 90755 4.8(224 reviews)
HVACHeatingA/C
Signal Hill, California · HVAC
HVAC contractors in Signal Hill, CA
19 HVAC contractors in Signal Hill, out of 25 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 19
- Avg. score
- 52.6
- Scored
- 9
Summary
Data last updatedAs of October 1, 2026, the ProComfort Registry lists 19 HVAC contractors in Signal Hill, California. Most-listed specialties: ductwork & IAQ (9), heating & furnaces (6), air conditioning (4), commercial (2). 9 have enough public signals for a Registry Score, averaging 52.6 out of 100; 4 score 70 or higher. Together they hold 790 public reviews on Google, Yelp and Facebook. The highest-scored is AAA CALVERT Electrical Heating and Air Conditioning, at 77 out of 100. View AAA CALVERT Electrical Heating and Air Conditioning.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–19 of 19
72
StrongSignal Hill, CA 90755 4.7(169 reviews)
HVACPlumbingCommercial
72
Strong71
StrongSignal Hill, CA 90755 4.3(295 reviews)
HVACHeatingA/C
58
Established51
Established32
Developing22
Developing18
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Not yet ratedSignal Hill, CA
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Not yet ratedSignal Hill, CA
HVACDucts
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Not yet ratedSignal Hill, CA
HVACDucts
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Not yet ratedSignal Hill, CA
HVACDucts
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Not yet ratedSignal Hill, CA
HVACDucts
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Not yet ratedHVAC contractors in Signal Hill: at a glance
- How many HVAC contractors are in Signal Hill, California?
- As of October 1, 2026, the ProComfort Registry lists 19 HVAC contractors in Signal Hill, California.
- Who is the highest-scored HVAC contractor in Signal Hill, California?
- By Registry Score, AAA CALVERT Electrical Heating and Air Conditioning (Signal Hill, CA) ranks first at 77 out of 100, among 9 scored businesses averaging 52.6. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are HVAC contractors in Signal Hill, 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