Verified · National City
Trusted HVAC Companies in National City, CA
Trust matters when you're inviting a pro into your home or business. These hvac companies in National City have earned it through hundreds of verified reviews.
As of May 2026, RatingsNearMe ranks 12 hvac companies in National City, CA by verified customer ratings and review volume. The highest-rated is Hi-Tech Air Conditioning, Inc with a 4.9-star rating from 207 verified reviews. Also in the top tier: Big City Air Conditioning, Heating, and Appliance Repair and THA Heating Air & Plumbing Inc.. The average rating across all listed hvac companies in National City is 4.8 stars from 47 reviews per business on average.
HVAC service in National City: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
12
Businesses listed
4.8★
Avg rating
47
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Hi-Tech Air Conditioning, Inc
11647 Riverside Dr UNIT 135, Lakeside, CA 92040, USA
Big City Air Conditioning, Heating, and Appliance Repair
3113 Market St # A, San Diego, CA 92102, USA
THA Heating Air & Plumbing Inc.
3240 F St, San Diego, CA 92102, USA
HVAC Companies Rankings in National City, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Hi-Tech Air Conditioning, Inc11647 Riverside Dr UNIT 135, Lakeside, CA 92040, USA | 4.9★ | 207 |
| #2 | Big City Air Conditioning, Heating, and Appliance Repair3113 Market St # A, San Diego, CA 92102, USA | 4.4★ | 145 |
| #3 | THA Heating Air & Plumbing Inc.3240 F St, San Diego, CA 92102, USA | 4.5★ | 104 |
| #4 | AC Air Conditioning & Heating Contractor333 National City Blvd, National City, CA 91950, USA | 5.0★ | 13 |
| #5 | NEW ERA HVAC3737 Florence St, San Diego, CA 92113, USA | 5.0★ | 1 |
| #6 | Heating & Cooling Aid830 Edgerton Way, National City, CA 91950, USA | 5.0★ | 33 |
| #7 | Prime HVAC Repair San Diego817 Sixth Ave, San Diego, CA 92101, USA | 5.0★ | 4 |
| #8 | Blu HVAC & Airduct Cleaning National City2029 Palm Ave, National City, CA 91950, USA | 5.0★ | 4 |
| #9 | State HVAC & Airduct Cleaning Spring Valley8820 Troy St, Spring Valley, CA 91977, USA | 4.0★ | 4 |
| #10 | United Refrigeration Inc8752, 2626 Southport Way G, National City, CA 91950, USA | 5.0★ | 20 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in National City
AC Air Conditioning & Heating Contractor
333 National City Blvd, National City, CA 91950, USA
NEW ERA HVAC
3737 Florence St, San Diego, CA 92113, USA
Blu HVAC & Airduct Cleaning National City
2029 Palm Ave, National City, CA 91950, USA
State HVAC & Airduct Cleaning Spring Valley
8820 Troy St, Spring Valley, CA 91977, USA
United Refrigeration Inc
8752, 2626 Southport Way G, National City, CA 91950, USA
RSD - Refrigeration Supplies Distributor
402 W 35th St g, National City, CA 91950, USA
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Frequently Asked Questions — HVAC Companies in National City
How do I find the best hvac companies in National City?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in National City on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in National City licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in National City, CA?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in National City?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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