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Emergency HVAC Contractors in Riverside, CA (2026)

Top 50 of 716 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 Riverside: RKM Heating and Air Conditioning, 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 Riverside at a glance

Top emergency HVAC contractors in Riverside at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1RKM Heating and Air Conditioning664.9★ (1,073)Riverside24/7
2MSP HEATING AND AIR CONDITIONING655.0★ (1,203)Jurupa Valley, 4 mi away24/7
3Ace Home Heating & Air Conditioning654.7★ (1,176)Riverside24/7
4All Pro Cooling, Heating, Plumbing & Electrical654.8★ (7,425)Ontario, 12 mi away24/7
5Sheldon's Heating, Air Conditioning & Plumbing, Inc.654.8★ (729)Riverside24/7
6Inland Empire Comfort655.0★ (430)Riverside24/7
7Absolute Airflow Air Conditioning, Heating and Plumbing644.8★ (571)Riverside24/7
8Eco Air Heating & Cooling645.0★ (305)Riverside24/7
9All Pro Cooling, Heating, Plumbing & Electrical644.7★ (4,107)Corona, 11 mi away24/7
10Year Round Heating & Air Conditioning645.0★ (270)Riverside24/7

Call an emergency HVAC contractor in Riverside 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 Riverside, 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 716 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.

  14. #14 Plus Air Duct Testing

    Based in Jurupa Valley, 6 mi away

    63/100CR Score

    Ranked #14 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

  18. #18 Friends & Family HVAC

    Based in Corona, 13 mi away

    63/100CR Score

    Ranked #18 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

  24. #24 Metz Air Control

    Based in Riverside

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 85 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4193 Flat Rock Rd Suite 203, Riverside, CA 92505
    View profile for Metz Air Control(951) 344-6189

Top 50 of 716 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 Riverside, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26NexGen HVAC & Plumbing624.7★ (1,769)In Riverside
27Clark Brothers HVAC LLC624.8★ (83)In Riverside
28DECO Air Conditioning and Heating624.8★ (82)In Riverside
29Riverside Bros - Heating & Cooling Contractors624.8★ (80)In Riverside
30Riverside Bros - Heating & Cooling Contractors624.8★ (83)In Riverside
31HMS Plumbing & Construction625.0★ (304)10 mi
32Riverside Bros - Heating & Cooling Contractors624.8★ (67)In Riverside
33Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services614.9★ (710)In Riverside
34Essential Plumbing Services LLC - Best Plumber in Redlands, CA615.0★ (100)5 mi
35Riverside Bros - Heating & Cooling Contractors614.8★ (60)In Riverside
36RT Olson Plumbing, Heating and Air Conditioning614.8★ (504)12 mi
37Aced It Heating & AC Repair615.0★ (306)12 mi
38Henley's Plumbing & Air614.8★ (881)16 mi
39Metz Air Control614.9★ (969)18 mi
40Riverside Bros - Heating & Cooling Contractors614.7★ (61)In Riverside
41Riverside Bros - Heating & Cooling Contractors614.8★ (53)In Riverside
42City Wide Air Conditioning Plumbing & Heating - Ac Repair Moreno Valley614.9★ (152)8 mi
43Daniels Heating and Air Conditioning614.9★ (270)11 mi
44Henley's Plumbing & Air614.8★ (316)11 mi
45Steve's Five Star Service614.9★ (1,292)20 mi
46Icee Hot Air Conditioning & Heating615.0★ (236)12 mi
47Klaus & Sons Plumbing, Heating & Air Conditioning614.9★ (977)19 mi
48Redlands & Henry Bush Plumbing, Heating and Air Conditioning614.8★ (840)17 mi
49Sanborn's Air Conditioning & Heating614.8★ (516)15 mi
50RC Air Heating & Air Conditioning Service614.9★ (705)18 mi

How we ranked emergency HVAC contractors in Riverside

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 Riverside: questions

Which HVAC contractors in Riverside are open 24/7?

25 on this list post 24/7 hours, including RKM Heating and Air Conditioning, MSP HEATING AND AIR CONDITIONING, Ace Home Heating & Air Conditioning, All Pro Cooling, Heating, Plumbing & Electrical and Sheldon's Heating, Air Conditioning & Plumbing, Inc..

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

RKM Heating and Air Conditioning is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Riverside 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 Riverside

  1. October 2026: CR Scores recalculated for 716 hvac contractors serving Riverside.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages