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Emergency HVAC Contractors in La Verne, CA (2026)

Top 50 of 1,051 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 La Verne: All Pro Cooling, Heating, Plumbing & Electrical, 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 La Verne at a glance

Top emergency HVAC contractors in La Verne at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1All Pro Cooling, Heating, Plumbing & Electrical654.8★ (7,425)Ontario, 13 mi away24/7
2Steve's Five Star Service654.9★ (1,292)Upland, 5 mi away24/7
3Klaus & Sons Plumbing, Heating & Air Conditioning644.9★ (977)Montclair, 5 mi away24/7
4Service Hero Plumbing, HVAC, and Electrical644.8★ (1,506)Covina, 6 mi away24/7
5Rooter Hero Plumbing & Air644.8★ (802)Montclair, 4 mi away24/7
6Metz Air Control644.9★ (969)Chino, 8 mi away24/7
7Western Air Mechanical634.9★ (251)San Dimas, 2 mi away24/7
8RC Air Heating & Air Conditioning Service634.9★ (705)Rancho Cucamonga, 9 mi away24/7
9Home Comfort USA624.8★ (2,813)Anaheim, 17 mi away24/7
10Canyon City Air625.0★ (122)San Dimas, 3 mi away24/7

Call an emergency HVAC contractor in La Verne 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 La Verne, 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 1,051 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.

  6. #6 Metz Air Control

    Based in Chino, 8 mi away

    64/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 969 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.9★ from 969 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13784 Monte Vista Ave, Chino, CA 91710
    View profile for Metz Air Control(909) 925-0513

  9. #9 Home Comfort USA

    Based in Anaheim, 17 mi away

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 2,813 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,813 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1120 N Tustin Ave, Anaheim, CA 92807
    View profile for Home Comfort USA(714) 467-2932

  10. #10 Canyon City Air

    Based in San Dimas, 3 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 122 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    515 W Allen Ave STE 2A, San Dimas, CA 91773
    View profile for Canyon City Air(626) 208-6354

  19. #19 Friends & Family HVAC

    Based in Corona, 18 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,213 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,213 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1611 Pomona Rd Suite 240, Corona, CA 92878
    View profile for Friends & Family HVAC(866) 482-2326

  21. #21 Orange Coast Plumbing

    Based in Yorba Linda, 16 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 764 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8642 Bridle Cir, Yorba Linda, CA 92886
    View profile for Orange Coast Plumbing(714) 955-4844

  22. #22 Veteran Air

    Based in Anaheim, 18 mi away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 1,091 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,091 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2925 E Ricker Way, Anaheim, CA 92806
    View profile for Veteran Air(714) 426-9420

  23. #23 Temp Air System Inc

    Based in La Puente, 11 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 333 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 333 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15843 Amar Rd, La Puente, CA 91744
    View profile for Temp Air System Inc(626) 770-6441

Top 50 of 1,051 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 La Verne, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Service Hero Plumbing, HVAC, and Electrical614.8★ (1,840)22 mi
27Titan Air Conditioning614.9★ (439)15 mi
28Honest Pro Air Conditioning & Heating - HVAC614.9★ (89)6 mi
29MSP HEATING AND AIR CONDITIONING615.0★ (1,203)22 mi
30RighTime Home Services614.7★ (3,741)24 mi
31Aire Serv of Pasadena614.9★ (394)15 mi
32AC Plus Heating & Air605.0★ (201)13 mi
33Sinclair Air Systems604.7★ (35)In La Verne
34Plus Air Duct Testing605.0★ (401)17 mi
35Power Pro Plumbing Heating & Air604.9★ (1,582)24 mi
36AIR NOW HEATING & COOLING INC605.0★ (81)8 mi
37Cooling & Heating Repair604.8★ (402)15 mi
38Mike Diamond Plumbing, HVAC & Electrical604.4★ (115)4 mi
39Accurate Electric, Plumbing, Heating and Air604.9★ (951)7 mi
40Purcell AC Repair Services605.0★ (32)3 mi
41Sol Air Hvac LLC604.9★ (112)10 mi
42Yarmouth Heating & Cooling605.0★ (27)3 mi
43JW Plumbing, Heating & Air604.8★ (175)12 mi
44Aced It Heating & AC Repair605.0★ (306)18 mi
45Solace Plumbing Heating and Air604.9★ (69)9 mi
46Ace Home Heating & Air Conditioning604.7★ (1,176)22 mi
47Accurate Electric, Plumbing, Heating and Air604.9★ (69)9 mi
48Air One Air Conditioning, Heating, & Plumbing594.9★ (786)23 mi
49Rooter Hero Plumbing & Air594.9★ (1,637)2 mi
50Expert HVAC Diamond Bar595.0★ (34)6 mi

How we ranked emergency HVAC contractors in La Verne

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 La Verne: questions

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

25 on this list post 24/7 hours, including All Pro Cooling, Heating, Plumbing & Electrical, Steve's Five Star Service, Klaus & Sons Plumbing, Heating & Air Conditioning, Service Hero Plumbing, HVAC, and Electrical and Rooter Hero Plumbing & Air.

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

All Pro Cooling, Heating, Plumbing & Electrical is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in La Verne 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 La Verne

  1. October 2026: CR Scores recalculated for 1,051 hvac contractors serving La Verne.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages