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Emergency HVAC Contractors in Simi Valley, CA (2026)

Top 50 of 747 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 Simi Valley: Dutton Plumbing, Cooling & Heating, 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 Simi Valley at a glance

Top emergency HVAC contractors in Simi Valley at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Dutton Plumbing, Cooling & Heating664.8★ (2,247)Camarillo, 5 mi away24/7
2Rooter Hero Plumbing & Air664.9★ (537)Simi Valley24/7
3Conejo Services HVAC, Plumbing and Electrical654.9★ (2,368)Camarillo, 10 mi away24/7
4NexGen HVAC & Plumbing644.8★ (1,498)Camarillo, 11 mi away24/7
5Dutton Plumbing, Cooling & Heating644.7★ (2,766)Simi Valley24/7
6AZ Air Conditioning and Heating644.8★ (3,170)North Hills, 18 mi away24/7
7MB Heating and Air645.0★ (121)Simi Valley24/7
8AirWorks Heating Air Plumbing634.9★ (923)Camarillo, 12 mi away24/7
9United Heating & Air Conditioning634.8★ (164)Beverly Hills, 1 mi away24/7
10Kahn Air Conditioning634.9★ (1,583)Van Nuys, 19 mi away24/7

Call an emergency HVAC contractor in Simi Valley 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 Simi Valley, 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 747 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.

  7. #7 MB Heating and Air

    Based in Simi Valley

    64/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 121 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4440 Industrial St, Simi Valley, CA 93063
    View profile for MB Heating and Air(818) 518-4844

  10. #10 Kahn Air Conditioning

    Based in Van Nuys, 19 mi away

    63/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,583 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,583 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15073 Keswick St, Van Nuys, CA 91405
    View profile for Kahn Air Conditioning(818) 619-0740

  17. #17 Rowland Air

    Based in Santa Clarita, 23 mi away

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,810 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,810 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17007 Sierra Hwy, Canyon Country, CA 91351
    View profile for Rowland Air(661) 550-0335

  24. #24 Most Valuable Plumber

    Based in Thousand Oaks, 11 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 190 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3255 Old Conejo Rd Suite 103, Thousand Oaks, CA 91320
    View profile for Most Valuable Plumber(818) 960-6156

  25. #25 Air Crew

    Based in Santa Clarita, 17 mi away

    61/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 425 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 425 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    27720 Avenue Scott Ste # 140, Santa Clarita, CA 91355
    View profile for Air Crew(661) 430-6644

Top 50 of 747 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 Simi Valley, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Adams Air Conditioning615.0★ (46)5 mi
27Paradise Heating & Air Conditioning615.0★ (20)In Simi Valley
28Los Angeles Air Department604.9★ (399)19 mi
29Trinity Group Appliance HVAC Repair604.8★ (123)11 mi
30ATA Heating and Air Conditioning Inc604.9★ (103)11 mi
31Season Control Heating & Air Conditioning604.9★ (111)12 mi
32Coast AC & Heater Repair Thousand Oaks605.0★ (38)5 mi
33AC911604.7★ (46)5 mi
34Airintel HVAC Inc605.0★ (191)17 mi
35Camarillo Plumbing Co604.6★ (201)13 mi
36MBA Mechanical Inc. HVAC + Solar605.0★ (14)In Simi Valley
37TOP AC Inc LA Air Conditioning Contractors604.8★ (122)12 mi
38Call us for Air Сonditioning Assistance604.9★ (63)9 mi
39Fast Cool & Heat Inc.605.0★ (306)21 mi
40Tassio Temperature Control605.0★ (161)17 mi
41CrackerJack Air and Plumbing Pros605.0★ (172)18 mi
42Global Green Solutions604.9★ (90)13 mi
43All Star Heating & AC Repair605.0★ (29)6 mi
44TOTO Air inc605.0★ (180)19 mi
45Most Valuable Plumber594.8★ (156)16 mi
46Supreme Mechanical Heating & Air Conditioning595.0★ (60)12 mi
47Advantage Plus AC and Heating Repair595.0★ (10)In Simi Valley
48Andre’s Air Conditioning594.8★ (55)10 mi
49Mor Air595.0★ (295)23 mi
50Rooter Hero Plumbing & Air594.7★ (197)17 mi

How we ranked emergency HVAC contractors in Simi Valley

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 Simi Valley: questions

Which HVAC contractors in Simi Valley are open 24/7?

25 on this list post 24/7 hours, including Dutton Plumbing, Cooling & Heating, Rooter Hero Plumbing & Air, Conejo Services HVAC, Plumbing and Electrical, NexGen HVAC & Plumbing and Dutton Plumbing, Cooling & Heating.

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

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

How are emergency HVAC contractors in Simi Valley 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 Simi Valley

  1. October 2026: CR Scores recalculated for 747 hvac contractors serving Simi Valley.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages