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Emergency HVAC Contractors in Mesa, AZ (2026)

Top 50 of 783 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 Mesa: Semper Fi Heating and Cooling, 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 Mesa at a glance

Top emergency HVAC contractors in Mesa at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Semper Fi Heating and Cooling674.8★ (11,528)Mesa24/7
2John's Heating, Cooling, and Plumbing664.9★ (3,115)Mesa24/7
3Rite Way Heating, Cooling & Plumbing654.9★ (4,924)Gilbert, 3 mi away24/7
4Collins Comfort Masters654.9★ (10,615)Tempe, 8 mi away24/7
5Parker & Sons654.7★ (31,931)Phoenix, 10 mi away24/7
6Western States Home Services654.9★ (1,447)Mesa24/7
7Climate Pro LLC644.9★ (3,224)Chandler, 5 mi away24/7
8Day & Night Air Conditioning, Heating, & Plumbing644.9★ (9,038)Phoenix, 10 mi away24/7
9Goettl Air Conditioning and Plumbing - Phoenix AZ644.7★ (13,242)Phoenix, 10 mi away24/7
10Precision Air & Plumbing644.7★ (4,793)Chandler, 5 mi away24/7

Call an emergency HVAC contractor in Mesa 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 Mesa, 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 783 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.

  5. #5 Parker & Sons

    Based in Phoenix, 10 mi away

    65/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.7★ from 31,931 Google reviews.

    • 4.7★ from 31,931 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3636 E Anne St A, Phoenix, AZ 85040
    View profile for Parker & Sons(602) 424-9619

  7. #7 Climate Pro LLC

    Based in Chandler, 5 mi away

    64/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,224 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 3,224 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    375 E Elliot Rd, Chandler, AZ 85225
    View profile for Climate Pro LLC(480) 602-4535

  23. #23 Mason Pro Services

    Based in Chandler, 6 mi away

    63/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,276 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,276 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2200 N Arizona Ave #18, Chandler, AZ 85225
    View profile for Mason Pro Services(480) 835-9928

  24. #24 Mariner Air

    Based in Mesa

    63/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 252 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Mariner Air(602) 320-0764

  25. #25 www.thepeopleac.com

    Based in Mesa

    63/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 245 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 245 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3954 E Oasis Cir Suite 1, Mesa, AZ 85215
    View profile for www.thepeopleac.com(480) 900-2665

Top 50 of 783 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 Mesa, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26True Home Maintenance Air Conditioning & Heating634.9★ (315)In Mesa
27Heath's Air LLC634.9★ (275)In Mesa
28George Brazil Air Conditioning & Heating634.7★ (4,825)12 mi
29Service Experts Tempe634.6★ (2,860)7 mi
30Alaskan Air Conditioning & Heating624.7★ (2,664)9 mi
31Vessel Home Services LLC624.9★ (234)In Mesa
32Weather Masters624.8★ (310)In Mesa
33AC Repair Near Me625.0★ (936)9 mi
34PDQ Mechanical LLC625.0★ (444)5 mi
35Thomas Home Services624.7★ (1,021)5 mi
36JDL Refrigeration624.9★ (211)In Mesa
37Champion Air624.9★ (195)In Mesa
38Ground Zero Plumbing & AC repair - Chandler624.9★ (2,030)11 mi
39Farnsworth Heating Cooling & Plumbing624.7★ (295)In Mesa
40Reeis Air Conditioning, Plumbing & Electrical624.9★ (1,611)11 mi
41Accurate Air625.0★ (383)6 mi
42PlumbSmart Plumbing Heating and Air624.9★ (3,204)In Mesa
43Hughes Air624.7★ (215)In Mesa
44Red Mountain Air Conditioning624.9★ (137)In Mesa
45Viking Heating and Air Conditioning624.9★ (352)5 mi
46Efficiency Heating & Cooling LLC624.9★ (442)6 mi
47Lipovic Heating & Cooling625.0★ (102)In Mesa
48Olive Air, Heating & AC Repair624.9★ (832)10 mi
49Ellsworth Air Conditioning and Home Services - Gilbert624.8★ (362)4 mi
50Olive Air, Heating & AC Repair624.9★ (118)In Mesa

How we ranked emergency HVAC contractors in Mesa

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 Mesa: questions

Which HVAC contractors in Mesa are open 24/7?

25 on this list post 24/7 hours, including Semper Fi Heating and Cooling, John's Heating, Cooling, and Plumbing, Rite Way Heating, Cooling & Plumbing, Collins Comfort Masters and Parker & Sons.

Who is ranked #1 for emergency heating and cooling in Mesa, AZ?

Semper Fi Heating and Cooling is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Mesa 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 Mesa

  1. October 2026: CR Scores recalculated for 783 hvac contractors serving Mesa.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages