Skip to content
ContractorsRanked

Emergency HVAC Contractors in Montclair, CA (2026)

Top 50 of 1,003 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 Montclair: 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 Montclair at a glance

Top emergency HVAC contractors in Montclair at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1All Pro Cooling, Heating, Plumbing & Electrical664.8★ (7,425)Ontario, 8 mi away24/7
2Klaus & Sons Plumbing, Heating & Air Conditioning664.9★ (977)Montclair24/7
3Steve's Five Star Service664.9★ (1,292)Upland, 2 mi away24/7
4Rooter Hero Plumbing & Air654.8★ (802)Montclair24/7
5Metz Air Control644.9★ (969)Chino, 5 mi away24/7
6RC Air Heating & Air Conditioning Service644.9★ (705)Rancho Cucamonga, 6 mi away24/7
7Service Hero Plumbing, HVAC, and Electrical634.8★ (1,506)Covina, 11 mi away24/7
8NexGen HVAC & Plumbing634.6★ (507)Ontario, 4 mi away24/7
9Airplus of California Inc.624.9★ (1,325)Corona, 14 mi away24/7
10All Pro Cooling, Heating, Plumbing & Electrical624.7★ (4,107)Corona, 18 mi away24/7

Call an emergency HVAC contractor in Montclair 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 Montclair, 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 1,003 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.

  5. #5 Metz Air Control

    Based in Chino, 5 mi away

    64/100CR Score

    Ranked #5 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

  11. #11 Home Comfort USA

    Based in Anaheim, 17 mi away

    62/100CR Score

    Ranked #11 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

  12. #12 Friends & Family HVAC

    Based in Corona, 15 mi away

    62/100CR Score

    Ranked #12 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

  18. #18 AC Plus Heating & Air

    Based in Rancho Cucamonga, 8 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 201 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 201 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8351 Rochester Ave ste 103b, Rancho Cucamonga, CA 91730
    View profile for AC Plus Heating & Air(951) 783-3745

  21. #21 Plus Air Duct Testing

    Based in Jurupa Valley, 13 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 401 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 401 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9346 Galena St Ste. C, Jurupa Valley, CA 92509
    View profile for Plus Air Duct Testing(877) 200-7587

  22. #22 Orange Coast Plumbing

    Based in Yorba Linda, 16 mi away

    61/100CR Score

    Ranked #22 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

  23. #23 Veteran Air

    Based in Anaheim, 19 mi away

    61/100CR Score

    Ranked #23 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

  24. #24 Canyon City Air

    Based in San Dimas, 8 mi away

    61/100CR Score

    Ranked #24 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

Top 50 of 1,003 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 Montclair, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Ace Home Heating & Air Conditioning614.7★ (1,176)18 mi
27Service Hero Plumbing, HVAC, and Electrical614.8★ (1,840)22 mi
28Sol Air Hvac LLC614.9★ (112)7 mi
29AARD Mechanical Air Conditioning & Heating614.9★ (547)16 mi
30Air One Air Conditioning, Heating, & Plumbing614.9★ (786)19 mi
31Aced It Heating & AC Repair615.0★ (306)15 mi
32Zach Taylor Heating And Air LLC615.0★ (63)5 mi
33Accurate Electric, Plumbing, Heating and Air604.9★ (69)5 mi
34Icee Hot Air Conditioning and Heating605.0★ (101)9 mi
35Love Home Services605.0★ (65)6 mi
36Absolute Airflow Air Conditioning, Heating and Plumbing604.8★ (571)17 mi
37Solace Plumbing Heating and Air604.9★ (69)6 mi
38Titan Air Conditioning604.9★ (439)17 mi
39Honest Pro Air Conditioning & Heating - HVAC604.9★ (89)8 mi
40Temp Air System Inc604.8★ (333)15 mi
41HMS Plumbing & Construction605.0★ (304)18 mi
42Purcell AC Repair Services605.0★ (32)4 mi
43Yarmouth Heating & Cooling605.0★ (27)3 mi
44Cooling & Heating Repair604.8★ (402)17 mi
454 Points A/C and Heating604.9★ (949)23 mi
46Evolution Mechanical604.8★ (219)14 mi
47New Age Air, Inc.605.0★ (151)14 mi
48Ontario HVAC Solutions605.0★ (22)2 mi
49NexGen HVAC & Plumbing604.7★ (538)18 mi
50Sheldon's Heating, Air Conditioning & Plumbing, Inc.604.8★ (729)21 mi

How we ranked emergency HVAC contractors in Montclair

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 Montclair: questions

Which HVAC contractors in Montclair are open 24/7?

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

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

All Pro Cooling, Heating, Plumbing & Electrical is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Montclair 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 Montclair

  1. October 2026: CR Scores recalculated for 1,003 hvac contractors serving Montclair.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages