Skip to content
ContractorsRanked

Emergency HVAC Contractors in Fontana, CA (2026)

Top 50 of 661 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 Fontana: 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 Fontana at a glance

Top emergency HVAC contractors in Fontana at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1All Pro Cooling, Heating, Plumbing & Electrical664.8★ (7,425)Ontario, 6 mi away24/7
2NexGen HVAC & Plumbing654.8★ (708)Fontana24/7
3MSP HEATING AND AIR CONDITIONING655.0★ (1,203)Jurupa Valley, 6 mi away24/7
4Air One Air Conditioning, Heating, & Plumbing644.9★ (786)Colton, 4 mi away24/7
5Ace Home Heating & Air Conditioning634.7★ (1,176)Riverside, 7 mi away24/7
6Year Round Heating & Air Conditioning635.0★ (1,159)Redlands, 11 mi away24/7
74 Points A/C and Heating634.9★ (949)San Bernardino, 9 mi away24/7
8Plus Air Duct Testing635.0★ (401)Jurupa Valley, 7 mi away24/7
9Lasting Legacy Plumbing Heating and Air635.0★ (1,343)Redlands, 14 mi away24/7
10Henley's Plumbing & Air634.8★ (881)San Bernardino, 10 mi away24/7

Call an emergency HVAC contractor in Fontana 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 Fontana, 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 661 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.

  8. #8 Plus Air Duct Testing

    Based in Jurupa Valley, 7 mi away

    63/100CR Score

    Ranked #8 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

  16. #16 AC Plus Heating & Air

    Based in Rancho Cucamonga, 6 mi away

    62/100CR Score

    Ranked #16 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 Friends & Family HVAC

    Based in Corona, 17 mi away

    62/100CR Score

    Ranked #21 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

  23. #23 Metz Air Control

    Based in Chino, 16 mi away

    61/100CR Score

    Ranked #23 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

Top 50 of 661 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 Fontana, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Daniels Heating and Air Conditioning614.9★ (270)10 mi
27Icee Hot Air Conditioning and Heating615.0★ (101)6 mi
28Rooter Hero Plumbing & Air614.8★ (802)15 mi
29Year Round Heating & Air Conditioning615.0★ (270)13 mi
30HVAC Assistance - 24/7 On Call614.7★ (52)In Fontana
31Porter Family Heating & Cooling614.8★ (42)In Fontana
32Redlands & Henry Bush Plumbing, Heating and Air Conditioning614.8★ (840)17 mi
33J Adams Air Conditioning Heating And Plumbing | Rialto CA615.0★ (51)3 mi
34NexGen HVAC & Plumbing614.6★ (507)12 mi
35Inland Empire Comfort615.0★ (430)16 mi
36Owen & Sons Plumbing & HVAC614.9★ (92)6 mi
37Modern Comfort and Air615.0★ (88)7 mi
38Sanborn's Air Conditioning & Heating614.8★ (516)15 mi
39Crisp Services Air Conditioning and Heating604.4★ (49)In Fontana
40Imagine That Heating & Air605.0★ (122)11 mi
41American Plumbing, Heating, Air & Electrical605.0★ (57)6 mi
42RTC Heating and Air Conditioning605.0★ (48)6 mi
43Aced It Heating & AC Repair605.0★ (306)17 mi
44HMS Plumbing & Construction605.0★ (304)17 mi
45HVAC Home Services604.9★ (19)In Fontana
46Eubanks Air Inc605.0★ (17)In Fontana
47Clark Brothers HVAC LLC604.8★ (83)8 mi
48Hasco Heating Air Conditioning Services Co604.7★ (111)9 mi
49DECO Air Conditioning and Heating604.8★ (82)8 mi
50Riverside Bros - Heating & Cooling Contractors604.8★ (80)8 mi

How we ranked emergency HVAC contractors in Fontana

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 Fontana: questions

Which HVAC contractors in Fontana are open 24/7?

25 on this list post 24/7 hours, including All Pro Cooling, Heating, Plumbing & Electrical, NexGen HVAC & Plumbing, MSP HEATING AND AIR CONDITIONING, Air One Air Conditioning, Heating, & Plumbing and Ace Home Heating & Air Conditioning.

Who is ranked #1 for emergency heating and cooling in Fontana, 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 Fontana 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 Fontana

  1. October 2026: CR Scores recalculated for 661 hvac contractors serving Fontana.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages