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Emergency HVAC Contractors in Richmond, MI (2026)

Top 50 of 211 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 Richmond: Randazzo Heating & Cooling, 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 Richmond at a glance

Top emergency HVAC contractors in Richmond at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Randazzo Heating & Cooling654.9★ (8,968)Auburn Hills, 14 mi away24/7
2Great Dane Heating, Cooling, Electrical, & Plumbing624.8★ (3,178)Clinton Township, 18 mi away24/7
3Askar Heating and Cooling, LLC614.9★ (424)Clinton Township, 13 mi away24/7
4Dependable Heating Cooling & Refrigeration614.9★ (707)Sarnia, 16 mi away24/7
5Finzel's Heating and Cooling614.9★ (516)Clinton Township, 14 mi away24/7
6Reliance Home Comfort614.8★ (3,256)Sarnia, 23 mi away24/7
7Tri-Masters Heating & Cooling615.0★ (29)Richmond24/7
8Vincent's Heating & Plumbing Inc604.8★ (997)Port Huron, 19 mi away24/7
9Always Quality Heating and Cooling605.0★ (170)Clinton Township, 12 mi away24/7
10It's Your Heating And Cooling Guy604.9★ (739)Port Huron, 19 mi away24/7

Call an emergency HVAC contractor in Richmond 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 Richmond, 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 211 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.

  6. #6 Reliance Home Comfort

    Based in Sarnia, 23 mi away

    61/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.8★ from 3,256 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,256 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1355 Confederation St Unit 15, Sarnia, ON N7S 4T2
    View profile for Reliance Home Comfort(866) 780-3710

  14. #14 Tech IV

    Based in Clinton Township, 16 mi away

    59/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 227 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 227 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    46796 Hayes Rd, Macomb, MI 48044
    View profile for Tech IV(586) 532-5400

  16. #16 Charter Home Comfort

    Based in Clinton Township, 20 mi away

    59/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 281 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 281 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    33551 Giftos Dr, Clinton Township, MI 48035
    View profile for Charter Home Comfort(586) 463-3823

  17. #17 Cooley Mechanical

    Based in Rochester Hills, 15 mi away

    59/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    58285 Ruth Jean, Washington, MI 48094
    View profile for Cooley Mechanical(586) 697-5389

  18. #18 Koz Heating & Cooling

    Based in Sterling Heights, 19 mi away

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 266 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 266 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7501 Triangle Dr, Sterling Heights, MI 48314
    View profile for Koz Heating & Cooling(586) 917-0032

Top 50 of 211 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 Richmond, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Comfort Zones Heating & Cooling, LLC584.7★ (47)12 mi
27Environmental Air Systems Inc585.0★ (3)In Richmond
28HVAC Jack | Rochester585.0★ (116)21 mi
29Richmond Heating and Cooling583.5★ (4)In Richmond
30Degree Heating and Cooling LLC575.0★ (21)12 mi
31Halo Heating & Cooling575.0★ (111)21 mi
32A Pro Climate Control575.0★ (52)18 mi
33Heatmasters574.6★ (10)8 mi
34Mr. Furnace564.6★ (250)25 mi
35Serene Comfort Heating, Cooling and Refrigeration564.6★ (165)23 mi
36Greater Detroit Heating & Cooling Inc564.9★ (15)14 mi
37Michigan Air Heating and Cooling565.0★ (20)16 mi
38Mr. Furnace Heating and Cooling564.8★ (53)21 mi
39Aladdin Heating and Cooling565.0★ (43)21 mi
40Frost & Kretsch Heating & Cooling564.4★ (10)12 mi
41Universal Plumbing and Sewer564.9★ (2,503)19 mi
42Astro Heating and Cooling554.5★ (8)13 mi
43Elias Heating Cooling & Refrigeration555.0★ (13)17 mi
44RR Heating & AC Solutions555.0★ (30)23 mi
45Superior Plumbing & Heating of Sarnia555.0★ (20)21 mi
46RR Heating & AC Solutions555.0★ (31)24 mi
47Main Heating & Cooling, Inc.554.0★ (42)19 mi
48Thomas Brothers HVAC Solutions544.7★ (15)20 mi
49Heatmasters Heating & Cooling544.6★ (7)17 mi
50Controlled Weather HVAC545.0★ (7)18 mi

How we ranked emergency HVAC contractors in Richmond

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 Richmond: questions

Which HVAC contractors in Richmond are open 24/7?

25 on this list post 24/7 hours, including Randazzo Heating & Cooling, Great Dane Heating, Cooling, Electrical, & Plumbing, Askar Heating and Cooling, LLC, Dependable Heating Cooling & Refrigeration and Finzel's Heating and Cooling.

Who is ranked #1 for emergency heating and cooling in Richmond, MI?

Randazzo Heating & Cooling is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Richmond 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 Richmond

  1. October 2026: CR Scores recalculated for 211 hvac contractors serving Richmond.

More emergency and heating and cooling pages