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ContractorsRanked

Best HVAC Contractors in Mountain House, CA (2026)

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

The short answer

  1. 1

    Best overall in Mountain House: Service Champions, CR Score 64/100; 4.9★ from 4,721 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Elite Comfort Systems, posts 24/7 hours; ranked #2 of 231.

  3. 3

    Most-reviewed: Jazz Heating, Air Conditioning and Plumbing, 3,438 Google reviews at 4.9★, the most of 231 ranked after Service Champions; ranked #3.

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

231 Mountain House HVAC contractors are ranked here by CR Score, from ten published factors. 68 are open 24/7, 145 open Saturdays and 107 open Sundays, based on posted hours. The median Google rating is 4.9★ across 231 rated businesses.

Top 10 HVAC contractors in Mountain House at a glance

Top 10 HVAC contractors in Mountain House at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Service Champions644.9★ (4,721)Livermore, 16 mi away24/7Overall
2Elite Comfort Systems635.0★ (709)Brentwood, 12 mi away24/7Emergencies
3Jazz Heating, Air Conditioning and Plumbing634.9★ (3,438)Pleasanton, 19 mi away24/7Most reviews
4Service Experts Heating & Air Conditioning634.9★ (920)Livermore, 12 mi away24/7—
5Preet Heating, Cooling and Air Duct Cleaning625.0★ (284)Lathrop, 8 mi away24/7—
6Villara624.9★ (1,688)Manteca, 18 mi away24/7—
7Eagle Air624.9★ (549)Livermore, 12 mi away24/7—
8Barker Heating & Cooling624.8★ (1,930)Livermore, 10 mi away24/7—
9Climate Care Heating & Air Conditioning624.9★ (1,808)Manteca, 19 mi away24/7—
10Delta Sierra Mechanical624.9★ (1,140)Stockton, 18 mi away24/7—

The 231 best HVAC contractors in Mountain House, ranked

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

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Mountain House

    #1 Service Champions

    Based in Livermore, 16 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews, the most in Mountain House.

    • 4.9★ from 4,721 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    207 Boeing Ct, Livermore, CA 94551
    View profile for Service Champions(925) 966-1366

  6. #6 Villara

    Based in Manteca, 18 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,688 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,688 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    332 E Wetmore St, Manteca, CA 95337
    View profile for Villara(209) 824-1082

  7. #7 Eagle Air

    Based in Livermore, 12 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 549 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5542 Brisa St Ste B, Livermore, CA 94550
    View profile for Eagle Air(925) 456-4991

  12. #12 Service Champions

    Based in Pleasanton, 21 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7020 Commerce Dr, Pleasanton, CA 94588
    View profile for Service Champions(925) 248-3458

  20. #20 Singh Heating Air

    Based in Tracy, 5 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 26 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2892 Dorset Ln, Tracy, CA 95377
    View profile for Singh Heating Air(209) 640-7728

  21. #21 Art of Comfort

    Based in Pleasanton, 19 mi away

    59/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 153 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1048 Serpentine Ln #314, Pleasanton, CA 94566
    View profile for Art of Comfort(925) 230-3952

  22. #22 Loves Air

    Based in Salida, 25 mi away

    58/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 2,337 Google reviews
    Hours
    Mon–Fri 7:30 AM–7:30 PM · Sat 8:30 AM–4:30 PM · Sun closed
    Address
    5536 Pirrone Rd, Salida, CA 95368
    View profile for Loves Air(209) 275-1370

  24. #24 Semper Solaris

    Based in Manteca, 21 mi away

    58/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 542 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 542 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    3025 Palm Ave Suite 101, Manteca, CA 95337
    View profile for Semper Solaris(209) 399-3769

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 231 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Mountain House, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Right Pro Cool & Heat584.9★ (34)5 mi
27JJ Heating and Air Conditioning Co584.8★ (155)20 mi
28Smart Heating and Air Conditioning585.0★ (151)23 mi
29Cali Climate Mechanical Heating and Cooling584.7★ (72)14 mi
30Tyndall HVAC, Inc584.9★ (292)19 mi
31Moore Mechanical584.8★ (1,046)24 mi
32Brown’s Heating and Air-conditioning585.0★ (14)8 mi
33Discount Plumbing584.6★ (253)19 mi
34Pro Edge Services and Training, Inc574.7★ (157)19 mi
35Double R Heating & Air Conditioning574.9★ (174)11 mi
36Affordable Heating & Cooling575.0★ (41)10 mi
37ADVANCED TECH 209 INC574.7★ (195)21 mi
38Rescomm Heating & Air Conditioning, Inc.575.0★ (9)8 mi
39Virginia Mechanical Heating & Air Conditioning574.9★ (300)8 mi
40Discount Plumbing573.9★ (21)6 mi
41Essential Mechanical HVAC575.0★ (35)18 mi
42Eco Systems Heating & Air Conditioning564.8★ (138)24 mi
43Qualtech Heating & Cooling564.7★ (87)21 mi
44ADRIUM service solutions565.0★ (154)22 mi
45Service Champions564.9★ (1,331)16 mi
46Western Heating & Cooling564.9★ (43)In Mountain House
47Tokay Heating & Air Conditioning Repair564.7★ (304)22 mi
48Richard's Heating & Air Repair, Inc.564.9★ (255)10 mi
4910 Summers Heating & Cooling565.0★ (45)22 mi
50Galaxy Heating & Air Conditioning564.8★ (50)21 mi

Also serving Mountain House

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 Mountain House
BusinessGoogle ratingDistance
AC Repair Brentwood4.7★ (3)10 mi
AC Repair Pleasanton5.0★ (2)18 mi
AC Repair San Ramon3.5★ (2)23 mi
Aire Serv of Pleasanton4.8★ (31)21 mi
Airteks HVAC Services5.0★ (2)18 mi
Ambient Heating and Air4.3★ (12)12 mi
Big O Mechanical LLC5.0★ (11)18 mi
Delcon Heating & Air Conditioning5.0★ (2)15 mi
Diablo Boiler4.5★ (2)21 mi
Five Or Free Electrical Heating & Air Solutions4.9★ (89)12 mi
Glover & Son Heating & Air Inc3.0★ (2)22 mi
HOMERIGHT Heating and Air Conditioning Inc5.0★ (3)6 mi
HR&M HVAC Services5.0★ (8)12 mi
HVACR Medic5.0★ (2)14 mi
LEET Kitchen & Bathroom Remodeling5.0★ (2)24 mi
Manteca HVAC Repair Pros5.0★ (17)18 mi
NETWORK HVACIn Mountain House
Prime HVAC Oakley Solutions5.0★ (15)16 mi
Prompt HVAC Contractors Oakley5.0★ (16)16 mi
Simple Air3.0★ (2)25 mi

How much do HVAC contractors cost in Mountain House?

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

How much do HVAC contractors cost in Mountain House?
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 Mountain House HVAC contractors

We scored 231 Mountain House HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Mountain House data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Mountain House: frequently asked questions

Who is the best HVAC contractor in Mountain House?

By CR Score, the highest-ranked HVAC contractor in Mountain House, CA is Service Champions with a CR Score of 64/100. It has 4.9★ from 4,721 Google reviews. It is open 24/7. Elite Comfort Systems (#2) and Jazz Heating, Air Conditioning and Plumbing (#3) follow. We ranked 231 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Mountain House?

ContractorsRanked ranks 231 HVAC contractors serving Mountain House, CA. 1 of them is based in Mountain House; 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 Mountain House are open 24/7?

68 ranked HVAC contractors in Mountain House post 24/7 hours. The highest-ranked are Service Champions (#1), Elite Comfort Systems (#2) and Jazz Heating, Air Conditioning and Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Mountain House work on weekends?

145 of 231 ranked HVAC contractors post Saturday hours and 107 post Sunday hours. The highest-ranked open Saturdays are Service Champions (#1), Elite Comfort Systems (#2) and Jazz Heating, Air Conditioning and Plumbing (#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 Mountain House?

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 Mountain House. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Mountain House HVAC contractors have?

The median Google rating among 231 rated HVAC contractors in Mountain House is 4.9★, with a median of 19 reviews. Service Champions has the most, 4,721 reviews, and ranks #1. 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 Mountain House?

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 Mountain House

  1. October 2026: CR Scores recalculated for 231 hvac contractors serving Mountain House.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Mountain House pages

Other trades in Mountain House