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Emergency HVAC Contractors in De Soto, MO (2026)

Top 50 of 63 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

23 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 De Soto: Perfect 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 De Soto at a glance

Top emergency HVAC contractors in De Soto at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Perfect Air644.9★ (807)Festus, 11 mi away24/7
2Bone Heating and Cooling644.9★ (513)Festus, 8 mi away24/7
3Classic Aire Care625.0★ (1,400)Arnold, 24 mi away24/7
4Academy Air Heating, Cooling, Plumbing and Electric614.8★ (875)Barnhart, 20 mi away24/7
5DC Heating & Cooling615.0★ (29)De Soto24/7
6Pioneer Mechanical, LLC.614.9★ (130)Festus, 11 mi away24/7
7Martin Jetco Heating & Air Conditioning614.9★ (1,177)Eureka, 25 mi away24/7
8Faith Mechanical605.0★ (75)Festus, 12 mi away24/7
9Central Air Heating and Cooling604.8★ (497)Eureka, 22 mi away24/7
10Sheet Metal Contractors, Inc.595.0★ (7)De Soto24/7

Call an emergency HVAC contractor in De Soto 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 De Soto, 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 63 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 De Soto

    #1 Perfect Air

    Based in Festus, 11 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 807 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 807 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    503 Warne St, Festus, MO 63028
    View profile for Perfect Air(636) 937-2578

  3. #3 Classic Aire Care

    Based in Arnold, 24 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 1,400 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,400 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2104 Tenbrook Rd, Arnold, MO 63010
    View profile for Classic Aire Care(636) 220-5859

  21. #21 Quality Air

    Based in Murphy, 21 mi away

    55/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.4★ from 17 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Quality Air(314) 912-2926

Top 50 of 63 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 De Soto, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26De Soto Electrical Products464.9★ (284)In De Soto
27Reece Heating & Cooling services463.6★ (8)11 mi
28Sumpter Heating & Cooling433.7★ (3)15 mi
29Midwest Appliance Repair, LLC435.0★ (1,233)In De Soto
30R & C Heating & Air Conditioning433.5★ (4)19 mi
31Partney Heating and Cooling LLC424.8★ (130)11 mi
32Christopher Comfort Systems425.0★ (4)23 mi
33One Hour Heating & Air Conditioning® of St. Louis424.9★ (850)25 mi
34Busch414.9★ (252)21 mi
35Mechanical Climate Solutions, LLC415.0★ (283)24 mi
36Jeffco Heating, Cooling & Refrigeration LLC395.0★ (13)8 mi
37Crystal Heating & Cooling394.7★ (136)22 mi
38Countywide Heating & Cooling, LLC384.7★ (30)17 mi
39B&G Heating & Cooling385.0★ (57)23 mi
40Global Warming and Cooling LLC385.0★ (47)21 mi
41Fenton385.0★ (18)17 mi
42Coolaire Mechanical LLC384.3★ (6)9 mi
43Comfort Cabinetry384.5★ (16)In De Soto
44Complete Caire374.3★ (17)16 mi
45Arnold Air and More374.8★ (52)25 mi
46Dunn Plumbing, Heating & Air Conditioning LLC374.8★ (53)25 mi
47Liberty Heating Cooling & Plumbing374.9★ (28)23 mi
48Comfort Solutions374.4★ (73)25 mi
49Five Star Heating and Cooling365.0★ (19)22 mi
50Crescent Parts & Equipment364.8★ (22)23 mi

How we ranked emergency HVAC contractors in De Soto

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 De Soto: questions

Which HVAC contractors in De Soto are open 24/7?

23 on this list post 24/7 hours, including Perfect Air, Bone Heating and Cooling, Classic Aire Care, Academy Air Heating, Cooling, Plumbing and Electric and DC Heating & Cooling.

Who is ranked #1 for emergency heating and cooling in De Soto, MO?

Perfect Air is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in De Soto 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 De Soto

  1. October 2026: CR Scores recalculated for 63 hvac contractors serving De Soto.

More emergency and heating and cooling pages