Skip to content
ContractorsRanked

Emergency HVAC Contractors in Mountain House, CA (2026)

Top 50 of 231 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Mountain House: Service Champions, open 24/7.

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

Top emergency HVAC contractors in Mountain House at a glance

Top emergency HVAC contractors in Mountain House at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Service Champions654.9★ (4,721)Livermore, 16 mi away24/7
2Barker Heating & Cooling644.8★ (1,930)Livermore, 10 mi away24/7
3Jazz Heating, Air Conditioning and Plumbing634.9★ (3,438)Pleasanton, 19 mi away24/7
4Service Experts Heating & Air Conditioning634.9★ (920)Livermore, 12 mi away24/7
5Elite Comfort Systems635.0★ (709)Brentwood, 12 mi away24/7
6Preet Heating, Cooling and Air Duct Cleaning625.0★ (284)Lathrop, 8 mi away24/7
7Villara624.9★ (1,688)Manteca, 18 mi away24/7
8Eagle Air624.9★ (549)Livermore, 12 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

Call an emergency HVAC contractor in Mountain House now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Mountain House, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 231 is on the HVAC contractors page.

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

    65/100CR Score

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

    • 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

  7. #7 Villara

    Based in Manteca, 18 mi away

    62/100CR Score

    Ranked #7 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

  8. #8 Eagle Air

    Based in Livermore, 12 mi away

    62/100CR Score

    Ranked #8 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

    62/100CR 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

  19. #19 Singh Heating Air

    Based in Tracy, 5 mi away

    59/100CR Score

    Ranked #19 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

  20. #20 Tyndall HVAC, Inc

    Based in Antioch, 19 mi away

    59/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 292 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2825 Mayflower Dr, Antioch, CA 94531
    View profile for Tyndall HVAC, Inc(925) 215-7792

  22. #22 Art of Comfort

    Based in Pleasanton, 19 mi away

    59/100CR Score

    Ranked #22 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

  23. #23 Discount Plumbing

    Based in Manteca, 19 mi away

    58/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 253 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 253 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    787 Cottage Ave, Manteca, CA 95336
    View profile for Discount Plumbing(209) 758-1800

Top 50 of 231 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Mountain House, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26JJ Heating and Air Conditioning Co584.8★ (155)20 mi
27Pro Edge Services and Training, Inc584.7★ (157)19 mi
28ADVANCED TECH 209 INC584.7★ (195)21 mi
29Brown’s Heating and Air-conditioning585.0★ (14)8 mi
30Discount Plumbing583.9★ (21)6 mi
31Smart Heating and Air Conditioning585.0★ (151)23 mi
32Rescomm Heating & Air Conditioning, Inc.575.0★ (9)8 mi
33Qualtech Heating & Cooling574.7★ (87)21 mi
34Eco Systems Heating & Air Conditioning574.8★ (138)24 mi
35Essential Mechanical HVAC575.0★ (35)18 mi
36Service Champions564.9★ (1,331)16 mi
37Galaxy Heating & Air Conditioning564.8★ (50)21 mi
38HOMERIGHT Heating and Air Conditioning Inc565.0★ (3)6 mi
3910 Summers Heating & Cooling565.0★ (45)22 mi
40Ambient Heating and Air564.3★ (12)12 mi
41Finest heating & air Pleasanton565.0★ (38)21 mi
42HR&M HVAC Services565.0★ (8)12 mi
43Prompt HVAC Contractors Oakley565.0★ (16)16 mi
44Modern Refrigeration llc565.0★ (12)15 mi
45Prime HVAC Oakley Solutions565.0★ (15)16 mi
46Manteca HVAC Repair Pros565.0★ (17)18 mi
47Five Or Free Electrical Heating & Air Solutions564.9★ (89)12 mi
48Aire Serv of Pleasanton564.8★ (31)21 mi
49AC Repair Brentwood554.7★ (3)10 mi
50Big O Mechanical LLC555.0★ (11)18 mi

How we ranked emergency HVAC contractors in Mountain House

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Mountain House: questions

Which HVAC contractors in Mountain House are open 24/7?

25 on this list post 24/7 hours, including Service Champions, Barker Heating & Cooling, Jazz Heating, Air Conditioning and Plumbing, Service Experts Heating & Air Conditioning and Elite Comfort Systems.

Who is ranked #1 for emergency heating and cooling in Mountain House, CA?

Service Champions is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Mountain House ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

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 emergency and heating and cooling pages