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Emergency HVAC Contractors in Mission, TX (2026)

Top 50 of 150 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 Mission: Millennium A/C, 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 Mission at a glance

Top emergency HVAC contractors in Mission at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Millennium A/C675.0★ (1,058)Mission24/7
2Prime Air HVAC & $149 Duct Cleaning655.0★ (866)McAllen, 7 mi away24/7
3Polar Air | Air Conditioning & Heating645.0★ (732)Pharr, 8 mi away24/7
4Atlas Electrical, Air Conditioning, Refrigeration & Plumbing Services, Inc.644.8★ (594)Alton, 5 mi away24/7
5Global A/C & Heating LLC.634.7★ (187)Mission24/7
6A/C AMIGO LLC634.9★ (224)McAllen, 5 mi away24/7
7Artic One634.9★ (103)Mission24/7
8EVERESST SERVICES TECH LLC634.9★ (344)McAllen, 9 mi away24/7
9Mighty Mike's Plumbing, Electrical & HVAC624.9★ (2,689)Pharr, 8 mi away24/7
10Coldwil LLC625.0★ (48)Mission24/7

Call an emergency HVAC contractor in Mission 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 Mission, 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 150 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.

  1. Ranked #1 in Mission

    #1 Millennium A/C

    Based in Mission

    67/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 1,058 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,058 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    715 N Glasscock Rd Ste 20, Mission, TX 78572
    View profile for Millennium A/C(956) 300-3819

  6. #6 A/C AMIGO LLC

    Based in McAllen, 5 mi away

    63/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 224 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 224 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3218 Balboa Ave, McAllen, TX 78503
    View profile for A/C AMIGO LLC(956) 984-8182

  7. #7 Artic One

    Based in Mission

    63/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 103 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    500 E 9th St, 3905 Carol Dr, Mission, TX 78574
    View profile for Artic One(956) 304-7101

  10. #10 Coldwil LLC

    Based in Mission

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 48 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    217 Chester St, Mission, TX 78572
    View profile for Coldwil LLC(956) 598-0969

  16. #16 Val-Air Llc

    Based in Edinburg, 9 mi away

    61/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 78 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5502 S Alquds Ave, Edinburg, TX 78539
    View profile for Val-Air Llc(956) 609-9020

  24. #24 QUALITY AIR

    Based in Pharr, 9 mi away

    58/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4002 N Cage Blvd, Pharr, TX 78577
    View profile for QUALITY AIR

Top 50 of 150 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 Mission, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26GALO HVAC Systems575.0★ (12)10 mi
27Gulf coast hvac575.0★ (16)12 mi
28Colair Inc575.0★ (8)8 mi
29Coldtek AC and Heating LLC574.7★ (31)16 mi
30JD's A/C & Heating575.0★ (6)8 mi
31Speedy Cooling LLC575.0★ (14)13 mi
32Border Air Conditioning & Heating574.1★ (87)16 mi
33Infinity Air Heating & Cooling LLC575.0★ (39)20 mi
34Thermal Freeze HVAC-R and Commercial Kitchen Repair575.0★ (20)16 mi
35PRECISION AIR HEATING & COOLING, PLLC565.0★ (14)15 mi
36P J Valley HVAC564.3★ (22)15 mi
37Guzman Cooling & Heating LLC565.0★ (5)10 mi
38Xpress A/C & Refrigeration, LLC565.0★ (4)9 mi
39Guzman A/C Heating & Cooling565.0★ (4)10 mi
40Magic Air LLC565.0★ (10)15 mi
41Master Service llc , A/C Repair , Ice Machine Repair , Walk in Cooler And Freezer Repair564.4★ (7)13 mi
42ProTemp Air Conditioning545.0★ (8)21 mi
43Reliable Kitchen Services544.4★ (7)20 mi
44Climate Solutions Air Conditioning & Refrigeration535.0★ (4)22 mi
45Farrell Plumbing & Cooling Inc.524.5★ (77)22 mi
46Ace Electric Construction and plumbing 24 hour emergency service calls514.7★ (15)9 mi
47Constant Refrigeration514.9★ (61)10 mi
48TAS Air Conditioning and Heating504.7★ (404)20 mi
49Colair505.0★ (3,220)In Mission
50Frontier Cooling & Heating494.9★ (2,200)In Mission

How we ranked emergency HVAC contractors in Mission

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 Mission: questions

Which HVAC contractors in Mission are open 24/7?

25 on this list post 24/7 hours, including Millennium A/C, Prime Air HVAC & $149 Duct Cleaning, Polar Air | Air Conditioning & Heating, Atlas Electrical, Air Conditioning, Refrigeration & Plumbing Services, Inc. and Global A/C & Heating LLC..

Who is ranked #1 for emergency heating and cooling in Mission, TX?

Millennium A/C is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Mission 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?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Mission

  1. October 2026: CR Scores recalculated for 150 hvac contractors serving Mission.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages