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ContractorsRanked

Best HVAC Contractors in La Mesa, CA (2026)

473 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in La Mesa: Anderson Plumbing, Heating & Air, CR Score 94/100; 4.8★ from 4,443 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mauzy Cooling, Heating, Plumbing, and Electrical, posts 24/7 hours; ranked #2 of 473.

  3. 39

    Most-reviewed: ASI, The White Glove Guys, 7,073 Google reviews at 4.8★, the most of 473 ranked; ranked #39.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

473 La Mesa HVAC contractors are ranked here by CR Score, from 8 published factors. 142 are open 24/7, 350 open Saturdays and 257 open Sundays, based on posted hours. The median Google rating is 5.0★ across 473 rated businesses.

Top 10 HVAC contractors in La Mesa at a glance

Top 10 HVAC contractors in La Mesa at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Anderson Plumbing, Heating & Air944.8★ (4,443)El Cajon, 5 mi away24/7Overall
2Mauzy Cooling, Heating, Plumbing, and Electrical944.8★ (4,710)El Cajon, 5 mi away24/7Emergencies
3Bill Howe Plumbing, Heating & Air, Restoration & Flood Services934.8★ (4,875)San Diego, 7 mi away24/7—
4Anderson Plumbing, Heating & Air934.8★ (6,056)San Diego, 9 mi away24/7—
5Same Day Heating, Cooling, Plumbing914.8★ (1,658)San Diego, 7 mi away24/7—
6Precision Temperature914.9★ (1,014)Lakeside, 8 mi away24/7—
7Jackson & Foster Heating and Air Conditioning914.9★ (206)La Mesa24/7—
8United Plumbing Heating Air & Electric914.9★ (1,612)San Diego, 12 mi away24/7—
9Friar's Plumbing Heating and AC Repair914.9★ (626)San Diego, 8 mi away24/7—
10Hamel's Air Conditioning & Heating Inc904.9★ (143)La Mesa24/7—

The 473 best HVAC contractors in La Mesa, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  24. #24 Surf Bros HVAC

    Based in San Diego, 7 mi away

    89/100CR Score

    Ranked #24 because of its Google rating and availability: 5.0★ from 110 Google reviews, open 24/7.

    • 5.0★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2710 Adams Ave, San Diego, CA 92116
    View profile for Surf Bros HVAC(619) 848-3133

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 473 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in La Mesa, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Guthrie & Sons Heating, Air and Solar894.9★ (1,494)8 mi
27Total Plumbing, Air & Electric | Residential and Commercial Plumbing884.9★ (85)4 mi
28Airmaxx884.9★ (749)5 mi
29Point Loma Electric, Plumbing, Heating & Air884.9★ (1,546)7 mi
30Progressive Heating & Air884.8★ (240)8 mi
31Reliable Appliance, Heating and Air884.6★ (3,124)4 mi
32Point Loma Electric, Plumbing, Drains, and Water Heaters884.9★ (220)13 mi
33Ez Breezy Heating & Air885.0★ (471)9 mi
34Comfort City Mechanical, INC874.9★ (47)4 mi
35Maximum Comfort Heating and AC Repair875.0★ (167)16 mi
36PureAir Santee HVAC Services875.0★ (40)7 mi
37Santee AC & Heating Pros875.0★ (40)7 mi
38Carini Home Services874.8★ (996)9 mi
39ASI, The White Glove Guys874.8★ (7,073)7 mi
40Professional KitchenAid Appliance Repair875.0★ (34)6 mi
41Flaherty Heating and Air875.0★ (29)6 mi
42Ascend Plumbing874.9★ (119)13 mi
43FRYE Mechanical875.0★ (239)20 mi
44Ace Group Ki construction865.0★ (29)6 mi
45Aerify Heating and Air864.7★ (125)10 mi
46Smart Santee HVAC Repair865.0★ (22)5 mi
47Blue Diamond Heating and Air865.0★ (70)14 mi
48Samsung Appliance Repair864.9★ (30)6 mi
49SpeedMates Home Services864.9★ (149)4 mi
50Golden Comfort AC & Heating Repair865.0★ (22)6 mi

Also serving La Mesa

20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving La Mesa
BusinessGoogle ratingDistance
(George) Burtless Professional Air Conditioning & HeatingIn La Mesa
ALIVI CLEANING SERVICES LLC5.0★ (2)5 mi
All Temp Refrigeration Air Conditioning And Heating5.0★ (2)6 mi
American Home Shield: Appliance Warranty1.2★ (166)In La Mesa
Arctic airflow heating and air conditioning Inc5.0★ (2)4 mi
Beach Front Mechanical5.0★ (2)6 mi
By the Book Plumbing, Heating Air Conditioning4.8★ (50)11 mi
CoolCosmos HVACIn La Mesa
DC AC3.0★ (2)6 mi
Hutchison Mechanical5.0★ (2)6 mi
HX Refrigeration5.0★ (14)5 mi
Ideal Plumbing Heating Air Electrical4.8★ (228)4 mi
Mark's Heating & Air5.0★ (20)6 mi
Moree Mechanical5.0★ (2)4 mi
Novix Mechanical, Inc.In La Mesa
San Diego Appliance Repair Pros5.0★ (2)6 mi
Shine Cooling & HeatingIn La Mesa
SOCAL HVAC DESIGN & CONSULTING, LLCIn La Mesa
Southwest Mechanical Services Inc5.0★ (2)6 mi
THA Heating Air & Plumbing Inc.4.5★ (97)7 mi

How much do HVAC contractors cost in La Mesa?

National price ranges in USD, not adjusted for La Mesa. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in La Mesa?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in California

In California, Contractors State License Board (CSLB) licenses C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in California

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

How we ranked La Mesa HVAC contractors

We scored 473 La Mesa HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn La Mesa data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in La Mesa: frequently asked questions

Who is the best HVAC contractor in La Mesa?

By CR Score, the highest-ranked HVAC contractor in La Mesa, CA is Anderson Plumbing, Heating & Air with a CR Score of 94/100. It has 4.8★ from 4,443 Google reviews. It is open 24/7. Mauzy Cooling, Heating, Plumbing, and Electrical (#2) and Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (#3) follow. We ranked 473 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in La Mesa?

ContractorsRanked ranks 473 HVAC contractors serving La Mesa, CA. 2 of them are based in La Mesa; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in La Mesa are open 24/7?

142 ranked HVAC contractors in La Mesa post 24/7 hours. The highest-ranked are Anderson Plumbing, Heating & Air (#1), Mauzy Cooling, Heating, Plumbing, and Electrical (#2) and Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in La Mesa work on weekends?

350 of 473 ranked HVAC contractors post Saturday hours and 257 post Sunday hours. The highest-ranked open Saturdays are Anderson Plumbing, Heating & Air (#1), Mauzy Cooling, Heating, Plumbing, and Electrical (#2) and Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-20 Warm-Air Heating, Ventilating and Air-Conditioning contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does ac replacement cost in La Mesa?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for La Mesa. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do La Mesa HVAC contractors have?

The median Google rating among 473 rated HVAC contractors in La Mesa is 5.0★, with a median of 21 reviews. ASI, The White Glove Guys has the most, 7,073 reviews, and ranks #39. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in La Mesa?

California's HVAC demand peaks during summer heat waves and the first cold snaps. Spring and fall are the easiest times to book maintenance.

Update log for La Mesa

  1. October 2026: CR Scores recalculated for 473 hvac contractors serving La Mesa.
  2. October 2026: 5 duplicate listings merged.

More HVAC contractors and La Mesa pages

Other trades in La Mesa