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Emergency HVAC Contractors in San Antonio, TX (2026)

Top 50 of 304 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 San Antonio: Jon Wayne Service Company, 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 San Antonio at a glance

Top emergency HVAC contractors in San Antonio at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Jon Wayne Service Company684.8★ (16,461)San Antonio24/7
2Elmer's Home Services674.8★ (7,163)San Antonio24/7
3Will Fix It664.6★ (8,700)San Antonio24/7
4Air & Plumbing Today: HVAC Department664.9★ (2,883)San Antonio24/7
5Aramendia Plumbing, Heating and Air664.7★ (4,846)San Antonio24/7
6Rosenberg Plumbing & Air664.9★ (2,519)San Antonio24/7
7Champion Home Services654.9★ (1,650)San Antonio24/7
8Airtron Heating & Air Conditioning654.6★ (3,396)San Antonio24/7
9Evenflow Home & Commercial Services654.9★ (996)San Antonio24/7
10Pepcal Heating & Air LLC645.0★ (512)San Antonio24/7

Call an emergency HVAC contractor in San Antonio 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 San Antonio, 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 304 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.

  3. #3 Will Fix It

    Based in San Antonio

    66/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.6★ from 8,700 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 8,700 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3535 Metro Pkwy, San Antonio, TX 78247
    View profile for Will Fix It(210) 866-8048

  20. #20 Comfort Techs

    Based in San Antonio

    63/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 363 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 363 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10415 Perrin Beitel Suite 103-B, San Antonio, TX 78217
    View profile for Comfort Techs(210) 920-4645

  22. #22 Hachi Air

    Based in San Antonio

    63/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 187 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 187 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14615 Flatiron Clf, San Antonio, TX 78253
    View profile for Hachi Air(210) 934-6364

Top 50 of 304 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 San Antonio, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Air Time LLC635.0★ (143)In San Antonio
27A&A Plumbing, Heating, and Cooling624.9★ (3,179)16 mi
28Aire Serv of Stone Oak624.9★ (158)In San Antonio
29Smart Choice Heating & Cooling624.9★ (162)In San Antonio
30Champion Home Services624.9★ (10,125)22 mi
31Leaky’s Plumbing, Heating & A/C - San Antonio625.0★ (113)In San Antonio
32Manuel and Sons Service Co.624.8★ (159)In San Antonio
33Beyer Boys Air Conditioning & Heating624.8★ (3,576)17 mi
34American Air Conditioning & Heating Co.624.2★ (728)In San Antonio
35Christianson Air Conditioning and Plumbing624.5★ (288)In San Antonio
36Affordable Air LLC625.0★ (87)In San Antonio
37Radiant Plumbing & Air Conditioning624.8★ (2,096)In San Antonio
38JRV Home Services614.9★ (62)In San Antonio
39Air Clinic of San Antonio604.8★ (536)13 mi
40JDR A/C & Heating605.0★ (31)In San Antonio
41Beltran Heating & Air Conditioning604.8★ (41)In San Antonio
42Anytime A/C and Heating604.9★ (32)In San Antonio
43Suwan Air605.0★ (100)7 mi
44Above All Air604.8★ (357)12 mi
45Sigma Air Heating & Cooling604.9★ (32)In San Antonio
46Alamo Air Solutions605.0★ (23)In San Antonio
47Bullseye AC & Plumbing 2605.0★ (40)3 mi
48Simple Service Plumbing, Heating & Air604.9★ (363)In San Antonio
49Shafer Mechanical595.0★ (15)In San Antonio
50Lambarri’s AC595.0★ (16)In San Antonio

How we ranked emergency HVAC contractors in San Antonio

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 San Antonio: questions

Which HVAC contractors in San Antonio are open 24/7?

25 on this list post 24/7 hours, including Jon Wayne Service Company, Elmer's Home Services, Will Fix It, Air & Plumbing Today: HVAC Department and Aramendia Plumbing, Heating and Air.

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

Jon Wayne Service Company is #1, with a CR Score of 68 out of 100 on emergency weights.

How are emergency HVAC contractors in San Antonio 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 San Antonio

  1. October 2026: CR Scores recalculated for 304 hvac contractors serving San Antonio.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages