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Emergency HVAC Contractors in Rialto, CA (2026)

Top 50 of 623 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 Rialto: 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 Rialto at a glance

Top emergency HVAC contractors in Rialto at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1All Pro Cooling, Heating, Plumbing & Electrical664.8★ (7,425)Ontario, 10 mi away24/7
2Air One Air Conditioning, Heating, & Plumbing654.9★ (786)Colton, 2 mi away24/7
3MSP HEATING AND AIR CONDITIONING645.0★ (1,203)Jurupa Valley, 7 mi away24/7
4Year Round Heating & Air Conditioning645.0★ (1,159)Redlands, 8 mi away24/7
54 Points A/C and Heating644.9★ (949)San Bernardino, 6 mi away24/7
6Lasting Legacy Plumbing Heating and Air645.0★ (1,343)Redlands, 11 mi away24/7
7Henley's Plumbing & Air644.8★ (881)San Bernardino, 6 mi away24/7
8Ace Home Heating & Air Conditioning634.7★ (1,176)Riverside, 8 mi away24/7
9NexGen HVAC & Plumbing634.8★ (708)Fontana, 9 mi away24/7
10Sheldon's Heating, Air Conditioning & Plumbing, Inc.634.8★ (729)Riverside, 9 mi away24/7

Call an emergency HVAC contractor in Rialto 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 Rialto, 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 623 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.

  12. #12 Plus Air Duct Testing

    Based in Jurupa Valley, 10 mi away

    62/100CR Score

    Ranked #12 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

  23. #23 AC Plus Heating & Air

    Based in Rancho Cucamonga, 10 mi away

    61/100CR Score

    Ranked #23 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

Top 50 of 623 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 Rialto, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Friends & Family HVAC614.9★ (1,213)20 mi
27Modern Comfort and Air615.0★ (88)7 mi
28Airplus of California Inc.614.9★ (1,325)21 mi
29Inland Empire Comfort615.0★ (430)16 mi
30Metz Air Control614.9★ (969)20 mi
31Year Round Heating & Air Conditioning615.0★ (270)14 mi
32Owen & Sons Plumbing & HVAC604.9★ (92)8 mi
33Icee Hot Air Conditioning and Heating605.0★ (101)10 mi
34Rooter Hero Plumbing & Air604.8★ (802)19 mi
35Imagine That Heating & Air605.0★ (122)11 mi
36Porter Family Heating & Cooling604.8★ (55)5 mi
37Agility Air Heating And Air Conditioning605.0★ (18)In Rialto
38Hasco Heating Air Conditioning Services Co604.7★ (111)8 mi
39Riverside Bros - Heating & Cooling Contractors604.8★ (80)7 mi
40HVAC Assistance - 24/7 On Call604.7★ (52)4 mi
41Ascent Plumbing Air Conditioning and Heating | Plumber, Water Heater Installation, AC & Furnace Repair Yucaipa, CA604.9★ (331)17 mi
42City Wide Air Conditioning Plumbing & Heating - Ac Repair Moreno Valley604.9★ (152)13 mi
43NexGen HVAC & Plumbing604.6★ (507)15 mi
44Clark Brothers HVAC LLC604.8★ (83)9 mi
45DECO Air Conditioning and Heating604.8★ (82)8 mi
46HMS Plumbing & Construction595.0★ (304)19 mi
47Crisp Services Air Conditioning and Heating594.4★ (49)4 mi
48Cantrell's Heating & Air Conditioning595.0★ (73)11 mi
49Aced It Heating & AC Repair595.0★ (306)20 mi
50Indoor Weather Heating, Air & Refrigeration594.9★ (173)15 mi

How we ranked emergency HVAC contractors in Rialto

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 Rialto: questions

Which HVAC contractors in Rialto are open 24/7?

25 on this list post 24/7 hours, including All Pro Cooling, Heating, Plumbing & Electrical, Air One Air Conditioning, Heating, & Plumbing, MSP HEATING AND AIR CONDITIONING, Year Round Heating & Air Conditioning and 4 Points A/C and Heating.

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

  1. October 2026: CR Scores recalculated for 623 hvac contractors serving Rialto.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages