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Emergency HVAC Contractors in Calgary, AB (2026)

Top 50 of 192 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 Calgary: Knight Plumbing, Heating & Air Conditioning, 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 Calgary at a glance

Top emergency HVAC contractors in Calgary at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Knight Plumbing, Heating & Air Conditioning674.8★ (5,072)Calgary24/7
2JPS Furnace & Air Conditioning674.8★ (4,136)Calgary24/7
3Reliance Calgary Heating, Air Conditioning & Plumbing674.6★ (5,269)Calgary24/7
4Mr. Mike's Plumbing Calgary664.6★ (3,228)Calgary24/7
5ProStar Plumbing & Heating664.7★ (2,299)Calgary24/7
6Harmony Heating & Air Conditioning Inc654.9★ (921)Calgary24/7
7Expert Hvac Solutions Ltd654.9★ (885)Calgary24/7
8Instant Plumbing & Heating Ltd654.8★ (853)Calgary24/7
9Furnace Family Heating, Air Conditioning, Plumbing654.8★ (722)Calgary24/7
10Alberta General Plumbing654.9★ (503)Calgary24/7

Call an emergency HVAC contractor in Calgary 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 Calgary, 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 192 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.

  13. #13 Rodger That

    Based in Calgary

    64/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 233 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 233 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3248 Doverville Cres SE, Calgary, AB T2B 1T9
    View profile for Rodger That(403) 305-0982

  15. #15 W & J Heating

    Based in Calgary

    64/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 265 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 265 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Wrangler Pl SE #14, Calgary, AB T1X 0L7
    View profile for W & J Heating(403) 861-9390

  18. #18 Comfort Union

    Based in Calgary

    63/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 211 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4758 14 St NE, Calgary, AB T2E 6L7
    View profile for Comfort Union(403) 399-7903

  19. #19 Airology

    Based in Calgary

    63/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 125 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2209 16 St SE, Calgary, AB T2G 3P8
    View profile for Airology(587) 837-4111

  25. #25 Horizon Heating

    Based in Calgary

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.6★ from 161 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 161 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    666 Goddard Ave NE #28, Calgary, AB T2K 5X3
    View profile for Horizon Heating(403) 274-0790

Top 50 of 192 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 Calgary, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26The Heating Ninja Calgary624.9★ (85)In Calgary
27My Calgary Plumber624.9★ (79)In Calgary
28RB Impact HVAC624.9★ (80)In Calgary
29Airdrie Air Ltd. Heating & Air Conditioning625.0★ (1,101)28 km
30Milani Plumbing, Heating & Air Conditioning - Calgary624.6★ (120)In Calgary
31HVAC Revival Ltd.614.9★ (60)In Calgary
32Pacific Heating and Cooling614.8★ (59)In Calgary
33TipTop Plumbing & Heating614.8★ (897)In Calgary
34Home Tech615.0★ (43)In Calgary
35Neptune Plumbing & Heating Ltd614.8★ (790)In Calgary
36STAT Climate Control Solutions615.0★ (41)In Calgary
37Ace Plumbing and Heating604.6★ (717)In Calgary
38Just in Time Furnace Inc603.8★ (263)In Calgary
39Water Heater Pro - Plumbing, Water Heating, HVAC604.9★ (317)In Calgary
40Calgary Home Comfort604.8★ (27)In Calgary
41Celtic HVAC/R605.0★ (19)In Calgary
42Duality Heating and Air Conditioning605.0★ (17)In Calgary
43OFFICIAL PLUMBING & HEATING604.8★ (291)In Calgary
44Element Refrigeration and Air Conditioning594.8★ (16)In Calgary
45Calgary HVAC595.0★ (11)In Calgary
4624/7 Plumbing & Heating Ltd.594.9★ (148)In Calgary
47My Calgary Plumber594.8★ (917)In Calgary
48Eddytime Mechanical Ltd594.8★ (154)24 km
49Sobo Plumbing & Heating Ltd594.9★ (104)In Calgary
50Hometown Plumbing & Heating585.0★ (38)16 km

How we ranked emergency HVAC contractors in Calgary

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 Calgary: questions

Which HVAC contractors in Calgary are open 24/7?

25 on this list post 24/7 hours, including Knight Plumbing, Heating & Air Conditioning, JPS Furnace & Air Conditioning, Reliance Calgary Heating, Air Conditioning & Plumbing, Mr. Mike's Plumbing Calgary and ProStar Plumbing & Heating.

Who is ranked #1 for emergency heating and cooling in Calgary, AB?

Knight Plumbing, Heating & Air Conditioning is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Calgary 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 Calgary

  1. October 2026: CR Scores recalculated for 192 hvac contractors serving Calgary.

More emergency and heating and cooling pages