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Emergency HVAC Contractors in Modesto, CA (2026)

Top 50 of 166 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 Modesto: DeHart Plumbing, Heating, and Air Inc., 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 Modesto at a glance

Top emergency HVAC contractors in Modesto at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1DeHart Plumbing, Heating, and Air Inc.674.9★ (2,293)Modesto24/7
2Climate Care Heating & Air Conditioning634.9★ (1,808)Manteca, 15 mi away24/7
3Wally Falke's Heating & Air Conditioning634.9★ (1,295)Turlock, 14 mi away24/7
4Villara634.9★ (1,688)Manteca, 16 mi away24/7
5Thorsen's - Norquist, Inc.624.8★ (500)Turlock, 11 mi away24/7
6Yourk Heating & Air Conditioning624.7★ (73)Modesto24/7
7Valley Air Pro Llc.625.0★ (47)Modesto24/7
8Mel's Heating & Air Corporation614.8★ (398)Turlock, 12 mi away24/7
9Cool - Tech Heating & Air Conditioning614.9★ (38)Modesto24/7
10Star Heating and Air Conditioning Repair Manteca614.9★ (462)Manteca, 15 mi away24/7

Call an emergency HVAC contractor in Modesto 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 Modesto, 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 166 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.

  4. #4 Villara

    Based in Manteca, 16 mi away

    63/100CR Score

    Ranked #4 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

  17. #17 Discount Plumbing

    Based in Manteca, 16 mi away

    59/100CR Score

    Ranked #17 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

  18. #18 Airmergency Inc

    Based in Modesto

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 3.5★ from 30 Google reviews, listed on Google as “HVAC contractor”.

    • 3.5★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1111 J St Suite P101, Modesto, CA 95354
    View profile for Airmergency Inc(209) 498-9444

Top 50 of 166 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 Modesto, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Triple AAA Heating and Air575.0★ (3)3 mi
27First Call Heating and Air574.9★ (41)17 mi
28Pro Edge Services and Training, Inc574.7★ (157)23 mi
29Phenomenal heat and air575.0★ (3)5 mi
30Moreno Valley Heating & AC575.0★ (3)5 mi
31Kevin Jordan Heating & Air Services564.3★ (24)14 mi
32Phenomenal Auto Detailing565.0★ (119)5 mi
33Manteca HVAC Repair Pros565.0★ (17)18 mi
34Baker's Heating and Air Conditioning565.0★ (47)24 mi
35Stanislaus Air Technologies, Inc555.0★ (30)23 mi
36Nicro Inc554.0★ (4)12 mi
37Discount Plumbing554.5★ (58)In Modesto
38Modern Refrigeration llc545.0★ (12)21 mi
39Local Hero Home Services544.8★ (52)5 mi
40Rescomm Heating & Air Conditioning, Inc.535.0★ (9)25 mi
41California duct cleaning535.0★ (6)23 mi
42M.D. Smith Heating & Air Conditioning, Inc.515.0★ (43)4 mi
43Litt Heating and Air505.0★ (13)In Modesto
44Honey's Air & Solar504.9★ (5,700)In Modesto
45E.Z. Builders495.0★ (9)17 mi
46Superior Systems Heating & Air Conditioning485.0★ (30)14 mi
47Derek Sawyer’s Heating, Furnace & Air Conditioning repair - Modesto484.8★ (1,637)In Modesto
48Bailey's Heating & Air, Inc.474.9★ (957)In Modesto
49Loves Air475.0★ (2,337)8 mi
50Checkmate Heating & Air Conditioning473.7★ (3)4 mi

How we ranked emergency HVAC contractors in Modesto

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 Modesto: questions

Which HVAC contractors in Modesto are open 24/7?

25 on this list post 24/7 hours, including DeHart Plumbing, Heating, and Air Inc., Climate Care Heating & Air Conditioning, Wally Falke's Heating & Air Conditioning, Villara and Thorsen's - Norquist, Inc..

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

DeHart Plumbing, Heating, and Air Inc. is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Modesto 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 Modesto

  1. October 2026: CR Scores recalculated for 166 hvac contractors serving Modesto.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages