24/7 Available · La Mesa
24-Hour HVAC Companies in La Mesa, CA — Always Available
Emergencies don't keep business hours. These hvac companies in La Mesa are available 24 hours a day, 7 days a week — including holidays.
As of June 2026, RatingsNearMe ranks 9 hvac companies in La Mesa, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is ASI, The White Glove Guys with a 4.8-star rating from 7,216 Google reviews and an RNM Score of 97/100. Also in the top tier: EZ Breezy Heating & Air and Flite Mechanical Heating & Air Professionals. The average rating across all listed hvac companies in La Mesa is 4.9 stars from 931 reviews per business on average.
HVAC service in La Mesa: $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.
La Mesa, CA is home to a variety of HVAC companies that provide heating, ventilation, and air conditioning services to local residents and businesses. Consumers should look for licensed, experienced HVAC professionals when searching for reliable service and repair in the area.
- ✓Variety of HVAC companies in La Mesa, CA
- ✓Consumers should look for licensed, experienced HVAC professionals
- ✓HVAC services include heating, ventilation, and air conditioning
Best Overall
ASI, The White Glove Guys
This business stands out as the top-ranked HVAC provider in La Mesa due to its consistently high ratings and reputation for exceptional service.
Most Reviewed
ASI, The White Glove Guys
A high review count indicates a large customer base and proven reliability, helping consumers gauge trustworthiness and service consistency.
When choosing an HVAC provider in La Mesa, compare multiple quotes and check recent reviews to ensure the company fits your specific needs and budget. Prioritize licensed and insured professionals for peace of mind.
How to Choose a HVAC Companie in La Mesa
What to look for
- • Licensed and insured HVAC contractor
- • Experience working on systems similar to yours
- • Positive reviews and references from past customers
- • Offers a written estimate and warranty on parts and labor
Questions to ask
- • How long have you been in business in the La Mesa area?
- • Can you provide a list of references I can contact?
- • What is your process for diagnosing and repairing HVAC issues?
Red flags
- ⚠ Contractor does not have a valid California HVAC license
- ⚠ Unwilling to provide a detailed written estimate
- ⚠ Unusually low prices that seem too good to be true
In California, HVAC contractors must be licensed by the Contractors State License Board and carry liability insurance. Be sure to verify a contractor's license and insurance coverage before hiring.
Local Market Snapshot
9
Businesses listed
4.9★
Avg rating
931
Avg reviews
Jun 10, 2026
Last updated
Top Rated HVAC Companies
Trusted by thousands, this La Mesa HVAC company holds an exceptional 4.8-star rating.
4870 Viewridge Ave, San Diego, CA 92123, USATrusted by hundreds of La Mesa homeowners with a perfect 5.0-star rating.
5160 Mercury Point Unit B, San Diego, CA 92111, USATrusted by hundreds of La Mesa locals with a flawless 5.0-star rating.
10463 Austin Dr Suite K, Spring Valley, CA 91977, USAHVAC Companies Rankings in La Mesa, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | ASI, The White Glove Guys4870 Viewridge Ave, San Diego, CA 92123, USA | 4.8★ | 7,216 |
| #2 | EZ Breezy Heating & Air5160 Mercury Point Unit B, San Diego, CA 92111, USA | 5.0★ | 494 |
| #3 | Flite Mechanical Heating & Air Professionals10463 Austin Dr Suite K, Spring Valley, CA 91977, USA | 5.0★ | 229 |
| #4 | Hamel's Air Conditioning & Heating Inc9890 Shadow Rd, La Mesa, CA 91941, USA | 4.9★ | 143 |
| #5 | Comfort City Mechanical, INC10463 Austin Dr Suite H, Spring Valley, CA 91978, USA | 4.9★ | 48 |
| #6 | Reitz Heating & Air, Inc.5590 Rab St, La Mesa, CA 91942, USA | 5.0★ | 43 |
| #7 | Aairco Air Conditioning & HeatingLa Mesa, CA 91942, USA | 4.8★ | 142 |
| #8 | Siberian Side Heating & Air8767 Navajo Rd, San Diego, CA 92119, USA | 5.0★ | 5 |
| #9 | Jackson & Foster Heating & Air Conditioning16870 W Bernardo Dr, San Diego, CA 92127, USA | 4.9★ | 58 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in La Mesa
Trusted by locals with a stellar 4.9★ average from 143 reviews.
9890 Shadow Rd, La Mesa, CA 91941, USA
Exceptional 4.9-star rating from nearly 50 Google reviews in La Mesa.
10463 Austin Dr Suite H, Spring Valley, CA 91978, USA
Exceptional 5.0-star rating from 43 Google reviews in La Mesa.
5590 Rab St, La Mesa, CA 91942, USA
Trusted by hundreds of La Mesa locals with a near-perfect 4.8-star rating.
La Mesa, CA 91942, USA
Trusted locally with a perfect 5.0-star rating from recent reviews.
8767 Navajo Rd, San Diego, CA 92119, USA
58 reviews rate this La Mesa HVAC company an exceptional 4.9 stars.
16870 W Bernardo Dr, San Diego, CA 92127, USA
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HVAC Companies in La Mesa, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | ASI, The White Glove Guys | 97/100 | 4.8 ★ | 7,216 |
| 2 | EZ Breezy Heating & Air | 100/100 | 5.0 ★ | 494 |
| 3 | Flite Mechanical Heating & Air Professionals | 100/100 | 5.0 ★ | 229 |
| 4 | Hamel's Air Conditioning & Heating Inc | 95/100 | 4.9 ★ | 143 |
| 5 | Comfort City Mechanical, INC | 89/100 | 4.9 ★ | 48 |
| 6 | Reitz Heating & Air, Inc. | 91/100 | 5.0 ★ | 43 |
| 7 | Aairco Air Conditioning & Heating | 94/100 | 4.8 ★ | 142 |
| 8 | Siberian Side Heating & Air | 68/100 | 5.0 ★ | 5 |
| 9 | Jackson & Foster Heating & Air Conditioning | 90/100 | 4.9 ★ | 58 |
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 La Mesa
How do I find the best hvac companies in La Mesa?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in La Mesa on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in La Mesa 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 La Mesa, 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 La Mesa?
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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