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Emergency HVAC Contractors in Mascoutah, IL (2026)

Top 29 of 121 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 29 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 Mascoutah: Morrison Plumbing, Heating, Air, & Electrical Services, 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 Mascoutah at a glance

Top emergency HVAC contractors in Mascoutah at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Morrison Plumbing, Heating, Air, & Electrical Services644.9★ (8,631)Collinsville, 18 mi away24/7
2The Heating & Cooling Guy located in Mascoutah Illinois. Service call $59.634.9★ (169)Mascoutah24/7
3Classic Aire Care635.0★ (1,160)Fairview Heights, 13 mi away24/7
4BELOMAN634.9★ (1,500)Belleville, 14 mi away24/7
5Tiger Plumbing, Heating, Air Conditioning, & Electrical Services634.7★ (5,072)Collinsville, 17 mi away24/7
6Home Heating & Cooling625.0★ (586)O'Fallon, 12 mi away24/7
7Hoffmann Brothers624.9★ (5,405)Edwardsville, 23 mi away24/7
8Viviano Heating & Air Conditioning, Inc.614.9★ (890)Collinsville, 16 mi away24/7
9Polar Plumbing, Heating & Air Conditioning615.0★ (514)Collinsville, 17 mi away24/7
10Classic Aire Care605.0★ (1,039)Edwardsville, 22 mi away24/7

Call an emergency HVAC contractor in Mascoutah 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 29 emergency HVAC contractors in Mascoutah, 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 121 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 Classic Aire Care

    Based in Fairview Heights, 13 mi away

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 1,160 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,160 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13 Executive Dr Suite 15, Fairview Heights, IL 62208
    View profile for Classic Aire Care(618) 213-2690

  4. #4 BELOMAN

    Based in Belleville, 14 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,500 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.9★ from 1,500 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5909 Cool Sports Rd, Belleville, IL 62223
    View profile for BELOMAN(618) 235-6626

  7. #7 Hoffmann Brothers

    Based in Edwardsville, 23 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 5,405 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 5,405 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1254 University Dr Suite 800, Edwardsville, IL 62025
    View profile for Hoffmann Brothers(618) 271-6200

  10. #10 Classic Aire Care

    Based in Edwardsville, 22 mi away

    60/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 1,039 Google reviews, listed on Google as “Heating contractor”.

    • 5.0★ from 1,039 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3 Sunset Hills Executive Dr #1, Edwardsville, IL 62025
    View profile for Classic Aire Care(618) 213-2618

  17. #17 Belleville Services

    Based in Belleville, 15 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.7★ from 49 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 49 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9 Commodore Dr, Belleville, IL 62223
    View profile for Belleville Services(618) 278-8436

  19. #19 Certified

    Based in Swansea, 11 mi away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1710 Boul Ave, Swansea, IL 62226
    View profile for Certified(618) 277-6036

Top 29 of 121 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.

HVAC contractors in Mascoutah, ranks 26 to 29
RankBusinessCR ScoreGoogle ratingDistance
26Bel-O Cooling & Heating454.9★ (1,322)8 mi
27Heritage Heating & Cooling445.0★ (581)9 mi
28Archway Cooling & Heating Inc434.9★ (318)10 mi
29Anytime | IL424.9★ (230)11 mi

How we ranked emergency HVAC contractors in Mascoutah

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 Mascoutah: questions

Which HVAC contractors in Mascoutah are open 24/7?

25 on this list post 24/7 hours, including Morrison Plumbing, Heating, Air, & Electrical Services, The Heating & Cooling Guy located in Mascoutah Illinois. Service call $59., Classic Aire Care, BELOMAN and Tiger Plumbing, Heating, Air Conditioning, & Electrical Services.

Who is ranked #1 for emergency heating and cooling in Mascoutah, IL?

Morrison Plumbing, Heating, Air, & Electrical Services is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Mascoutah 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 Mascoutah

  1. October 2026: CR Scores recalculated for 121 hvac contractors serving Mascoutah.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages