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Emergency HVAC Contractors in Calimesa, CA (2026)

Top 50 of 432 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 Calimesa: Lasting Legacy Plumbing Heating and Air, 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 Calimesa at a glance

Top emergency HVAC contractors in Calimesa at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Lasting Legacy Plumbing Heating and Air665.0★ (1,343)Redlands, 8 mi away24/7
2Year Round Heating & Air Conditioning655.0★ (1,159)Redlands, 11 mi away24/7
3Aloha Plumbing, Heating & Air654.8★ (294)Calimesa24/7
4Ascent Plumbing Air Conditioning and Heating | Plumber, Water Heater Installation, AC & Furnace Repair Yucaipa, CA654.9★ (331)Yucaipa, 2 mi away24/7
5Redlands & Henry Bush Plumbing, Heating and Air Conditioning654.8★ (840)Redlands, 7 mi away24/7
6Sanborn's Air Conditioning & Heating644.8★ (516)Redlands, 8 mi away24/7
7RKM Heating and Air Conditioning644.9★ (1,073)Riverside, 14 mi away24/7
84 Points A/C and Heating644.9★ (949)San Bernardino, 14 mi away24/7
9Essential Plumbing Services LLC - Best Plumber in Redlands, CA645.0★ (100)Calimesa24/7
10Cantos Plumbing, Heating and Air Conditioning635.0★ (95)Calimesa24/7

Call an emergency HVAC contractor in Calimesa 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 Calimesa, 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 432 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.

  4. #4 Ascent Plumbing Air Conditioning and Heating | Plumber, Water Heater Installation, AC & Furnace Repair Yucaipa, CA

    Based in Yucaipa, 2 mi away

    65/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 331 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 331 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    33111 Yucaipa Blvd Unit 9, Yucaipa, CA 92399
    View profile for Ascent Plumbing Air Conditioning and Heating | Plumber, Water Heater Installation, AC & Furnace Repair Yucaipa, CA(909) 254-5561

  21. #21 Inland Empire Comfort

    Based in Riverside, 18 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 430 Google reviews, listed on Google as “Furnace repair service”.

    • 5.0★ from 430 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19071 Newsome Rd, Riverside, CA 92508
    View profile for Inland Empire Comfort(951) 556-6268

  22. #22 Air Repair 24/7

    Based in Perris, 19 mi away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 608 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 608 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1680 Illinois Ave Ste #5, Perris, CA 92571
    View profile for Air Repair 24/7(951) 928-0880

Top 50 of 432 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 Calimesa, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Ascent Plumbing Air Conditioning and Heating615.0★ (58)8 mi
27Absolute Airflow Air Conditioning, Heating and Plumbing604.8★ (571)22 mi
28Chill Out Heating and Air604.9★ (46)8 mi
29Sean's Air Heating and Air Conditioning604.7★ (15)In Calimesa
30Plus Air Duct Testing605.0★ (401)24 mi
31True Quality Plumbing605.0★ (142)17 mi
325 Star Plumbing, Heating, & Air605.0★ (33)7 mi
33NexGen HVAC & Plumbing604.7★ (1,769)15 mi
34Indoor Weather Heating, Air & Refrigeration604.9★ (173)18 mi
35Thomas Brothers HVAC & Plumbing604.8★ (84)13 mi
36Inland Plumbing Heating and Air604.9★ (70)12 mi
37Priority One, Inc.605.0★ (214)21 mi
38Year Round Heating & Air Conditioning605.0★ (270)23 mi
39Golden Comfort AC & Heating Repair595.0★ (27)7 mi
40Thomas Brothers Heating & Air Conditioning594.8★ (74)12 mi
41Modern Comfort and Air595.0★ (88)16 mi
42Imagine That Heating & Air595.0★ (122)19 mi
43Hasco Heating Air Conditioning Services Co594.7★ (111)17 mi
44Riverside Bros - Heating & Cooling Contractors594.8★ (80)16 mi
45Crowley Cooling and Heating595.0★ (39)13 mi
46Ethan Brothers HVAC594.7★ (89)16 mi
47TnT Plumbing Heating & Air594.8★ (221)23 mi
48DECO Air Conditioning and Heating584.8★ (82)17 mi
495 Star Plumbing, Heating, & Air584.8★ (1,006)19 mi
50Clark Brothers HVAC LLC584.8★ (83)18 mi

How we ranked emergency HVAC contractors in Calimesa

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 Calimesa: questions

Which HVAC contractors in Calimesa are open 24/7?

25 on this list post 24/7 hours, including Lasting Legacy Plumbing Heating and Air, Year Round Heating & Air Conditioning, Aloha Plumbing, Heating & Air, Ascent Plumbing Air Conditioning and Heating | Plumber, Water Heater Installation, AC & Furnace Repair Yucaipa, CA and Redlands & Henry Bush Plumbing, Heating and Air Conditioning.

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

Lasting Legacy Plumbing Heating and Air is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Calimesa 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 Calimesa

  1. October 2026: CR Scores recalculated for 432 hvac contractors serving Calimesa.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages