24/7 Available · San Mateo
24-Hour HVAC Companies in San Mateo, CA — Always Available
Emergencies don't keep business hours. These hvac companies in San Mateo are available 24 hours a day, 7 days a week — including holidays.
As of June 2026, RatingsNearMe ranks 15 hvac companies in San Mateo, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Nur HVAC with a 5.0-star rating from 400 Google reviews and an RNM Score of 88/100. Also in the top tier: Redwire HVAC and DEGREE HVAC, Inc.. The average rating across all listed hvac companies in San Mateo is 4.9 stars from 76 reviews per business on average.
HVAC service in San Mateo: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
15
Businesses listed
4.9★
Avg rating
76
Avg reviews
Jun 10, 2026
Last updated
Top Rated HVAC Companies
San Mateo's top-rated HVAC provider with a perfect 5.0★ from over 400 reviews.
1078 Wentworth St, Mountain View, CA 94043, USASan Mateo's top-rated HVAC provider, with 4.9 stars from 189 Google reviews.
1075 Rollins Rd, Burlingame, CA 94010, USATop-rated San Mateo HVAC with a 4.8-star average from over 200 reviews.
1160 Industrial Rd STE 2, San Carlos, CA 94070, USAHVAC Companies Rankings in San Mateo, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Nur HVAC1078 Wentworth St, Mountain View, CA 94043, USA | 5.0★ | 400 |
| #2 | Redwire HVAC1075 Rollins Rd, Burlingame, CA 94010, USA | 4.9★ | 189 |
| #3 | DEGREE HVAC, Inc.1160 Industrial Rd STE 2, San Carlos, CA 94070, USA | 4.8★ | 211 |
| #4 | Belmont HVAC Pro2820 Hallmark Dr, Belmont, CA 94002, USA | 4.7★ | 83 |
| #5 | Eco Air Cooling and Heating50 Woodside Plz #832, Redwood City, CA 94061, USA | 5.0★ | 31 |
| #6 | United HVAC/Duct Cleaning146 N Fremont St, San Mateo, CA 94401, USA | 5.0★ | 30 |
| #7 | JW Heating and Air Conditioning LLC1038 Terminal Way, San Carlos, CA 94070, USA | 5.0★ | 80 |
| #8 | Bayhill Heat & Air, Inc.1047 S Claremont St, San Mateo, CA 94402, USA | 4.0★ | 19 |
| #9 | Air Conditioner Service Near Me6 E 39th Ave, San Mateo, CA 94403, USA | 4.9★ | 9 |
| #10 | CP Mechanical720 S Amphlett Blvd, San Mateo, CA 94402, USA | 5.0★ | 7 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in San Mateo
Rated 4.7 stars from 83 Google reviews, a trusted HVAC option in San Mateo.
2820 Hallmark Dr, Belmont, CA 94002, USA
Rated 5.0 stars from 31 Google reviews, this San Mateo HVAC company is highly trusted.
50 Woodside Plz #832, Redwood City, CA 94061, USA
Exceptional 5.0-star rating from 30 Google reviews in San Mateo.
146 N Fremont St, San Mateo, CA 94401, USA
Boasts 80 five-star Google reviews, reflecting outstanding customer satisfaction.
1038 Terminal Way, San Carlos, CA 94070, USA
Serving San Mateo with a solid 4.0-star rating from nearly 20 reviews.
1047 S Claremont St, San Mateo, CA 94402, USA
Exceptional 4.9-star rating from 9 Google reviews for local HVAC service.
6 E 39th Ave, San Mateo, CA 94403, USA
Exceptional 5.0-star rating from 7 reviews for HVAC service in San Mateo.
720 S Amphlett Blvd, San Mateo, CA 94402, USA
Exceptional 5.0-star rating from over 20 Google reviews in San Mateo.
635 Mariners Island Blvd STE 200, San Mateo, CA 94404, USA
Exceptional 5.0-star rating from over a dozen customer reviews in San Mateo.
204 E 2nd Ave # 802, San Mateo, CA 94401, USA
Consistently rated 5.0 stars from 25 Google reviews.
533 Airport Blvd., Burlingame, CA 94010, USA
Exceptional 5.0-star rating from 11 reviews for HVAC service in San Mateo.
1835 Hamlet St, San Mateo, CA 94403, USA
Exceptional 5.0-star rating from 10 Google reviews for HVAC in San Mateo.
415 Birch Ave, San Mateo, CA 94402, USA
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HVAC Companies in San Mateo, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Nur HVAC | 88/100 | 5.0 ★ | 400 |
| 2 | Redwire HVAC | 85/100 | 4.9 ★ | 189 |
| 3 | DEGREE HVAC, Inc. | 84/100 | 4.8 ★ | 211 |
| 4 | Belmont HVAC Pro | 77/100 | 4.7 ★ | 83 |
| 5 | Eco Air Cooling and Heating | 77/100 | 5.0 ★ | 31 |
| 6 | United HVAC/Duct Cleaning | 77/100 | 5.0 ★ | 30 |
| 7 | JW Heating and Air Conditioning LLC | 82/100 | 5.0 ★ | 80 |
| 8 | Bayhill Heat & Air, Inc. | 58/100 | 4.0 ★ | 19 |
| 9 | Air Conditioner Service Near Me | 69/100 | 4.9 ★ | 9 |
| 10 | CP Mechanical | 70/100 | 5.0 ★ | 7 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — HVAC Companies in San Mateo
How do I find the best hvac companies in San Mateo?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in San Mateo on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in San Mateo 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 San Mateo, 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 San Mateo?
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: June 10, 2026.
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