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StrongNational City, California · Air conditioning
Air conditioning contractors in National City, CA
6 air conditioning contractors in National City, out of 7 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 6
- Avg. score
- 53.4
- Scored
- 5
Summary
Data last updatedAs of October 1, 2026, the ProComfort Registry lists 6 air conditioning contractors in National City, California. Most-listed specialties: heating & furnaces (5), commercial (1), refrigeration (1). 5 have enough public signals for a Registry Score, averaging 53.4 out of 100; 1 scores 70 or higher. Together they hold 84 public reviews on Google, Yelp and Facebook. The highest-scored is Heating & Cooling Aid, at 71 out of 100. View Heating & Cooling Aid.
Counts come straight from the Registry's records. How the Registry Score works
Showing 1–6 of 6
57
Established49
DevelopingNational City, CA 91950 4.0(37 reviews)
HVACHeatingA/C
46
Developing44
DevelopingNational City, CA 91950 3.8(4 reviews)
HVACA/CRefrigeration
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Not yet ratedAir conditioning contractors in National City: at a glance
- How many air conditioning contractors are in National City, California?
- As of October 1, 2026, the ProComfort Registry lists 6 air conditioning contractors in National City, California.
- Who is the highest-scored air conditioning contractor in National City, California?
- By Registry Score, Heating & Cooling Aid (National City, CA) ranks first at 71 out of 100, among 5 scored businesses averaging 53.4. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- How are air conditioning contractors in National City, 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 air conditioning or cooling. Tags come from each business's public category and name, so a company can appear under several trades. Air conditioning contractors across the US