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Best HVAC Contractors in Shelby, MI (2026)

571 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Shelby: Randazzo Heating & Cooling, CR Score 95/100; 4.9★ from 8,968 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Briarwood Heating & Cooling, posts 24/7 hours; ranked #2 of 571.

  3. 26

    Most-reviewed: Cregger Plumbing, Heating & Cooling, 6,410 Google reviews at 4.9★, the most of 571 ranked after Randazzo Heating & Cooling; ranked #26.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

571 Shelby HVAC contractors are ranked here by CR Score, from 8 published factors. 178 are open 24/7, 387 open Saturdays and 301 open Sundays, based on posted hours. The median Google rating is 4.9★ across 571 rated businesses.

Most of this list also appears on the HVAC contractors in Troy ranking. See HVAC contractors in Troy

Top 10 HVAC contractors in Shelby at a glance

Top 10 HVAC contractors in Shelby at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Randazzo Heating & Cooling954.9★ (8,968)Auburn Hills, 4 mi away24/7Overall
2Briarwood Heating & Cooling914.9★ (633)Rochester Hills, 4 mi away24/7Emergencies
3Andy's Statewide914.8★ (6,170)Auburn Hills, 13 mi away24/7—
4Great Dane Heating, Cooling, Electrical, & Plumbing914.8★ (3,178)Clinton Township, 10 mi away24/7—
5Elite Degrees Heating & Cooling905.0★ (151)Auburn Hills, 1 mi away24/7—
6A Plus Heating and Cooling, Inc.904.9★ (351)Sterling Heights, 4 mi away24/7—
7Ferrara Heating & Air Conditioning Inc904.9★ (406)Rochester Hills, 5 mi away24/7—
8Pilot Mechanical Heating & Cooling904.9★ (263)Rochester Hills, 4 mi away24/7—
91st Heating and Cooling905.0★ (1,067)Auburn Hills, 15 mi away24/7—
10Finzel's Heating and Cooling894.9★ (516)Clinton Township, 9 mi away24/7—

The 571 best HVAC contractors in Shelby, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Andy's Statewide

    Based in Auburn Hills, 13 mi away

    91/100CR Score

    Ranked #3 because of its Google rating and availability: 4.8★ from 6,170 Google reviews, open 24/7.

    • 4.8★ from 6,170 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4828 Joslyn Rd, Orion, MI 48359
    View profile for Andy's Statewide(248) 940-4685

  11. #11 Macomb Water Heater

    Based in Clinton Township, 4 mi away

    89/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,389 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,389 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    16745 21 Mile Rd, Macomb, MI 48044
    View profile for Macomb Water Heater(586) 533-5555

  19. #19 Cooley Mechanical

    Based in Rochester Hills, 4 mi away

    88/100CR Score

    Ranked #19 because of its Google rating and availability: 4.9★ from 110 Google reviews, open 24/7.

    • 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

  25. #25 Tech IV

    Based in Clinton Township, 4 mi away

    87/100CR Score

    Ranked #25 because of its Google rating and availability: 4.8★ from 227 Google reviews, open 24/7.

    • 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

HVAC contractors ranked #26 to #26

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile. We publish the top 26 of 571 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Shelby, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26Cregger Plumbing, Heating & Cooling874.9★ (6,410)15 mi

How much do HVAC contractors cost in Shelby?

National price ranges in USD, not adjusted for Shelby. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Shelby?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Michigan

In Michigan, Michigan LARA, Bureau of Construction Codes licenses Mechanical contractor licenses.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in Michigan

In Michigan, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Shelby HVAC contractors

We scored 571 Shelby HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

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 fromIn Shelby data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Shelby: frequently asked questions

Who is the best HVAC contractor in Shelby?

By CR Score, the highest-ranked HVAC contractor in Shelby, MI is Randazzo Heating & Cooling with a CR Score of 95/100. It has 4.9★ from 8,968 Google reviews. It is open 24/7. Briarwood Heating & Cooling (#2) and Andy's Statewide (#3) follow. We ranked 571 HVAC contractors on 8 factors, last updated October 22, 2026.

Which HVAC contractors in Shelby are open 24/7?

178 ranked HVAC contractors in Shelby post 24/7 hours. The highest-ranked are Randazzo Heating & Cooling (#1), Briarwood Heating & Cooling (#2) and Andy's Statewide (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Shelby work on weekends?

387 of 571 ranked HVAC contractors post Saturday hours and 301 post Sunday hours. The highest-ranked open Saturdays are Randazzo Heating & Cooling (#1), Briarwood Heating & Cooling (#2) and Andy's Statewide (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Michigan?

In Michigan, Michigan LARA, Bureau of Construction Codes handles licensing and covers Mechanical contractor licenses.

How much does ac replacement cost in Shelby?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Shelby. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Shelby HVAC contractors have?

The median Google rating among 571 rated HVAC contractors in Shelby is 4.9★, with a median of 27 reviews. Randazzo Heating & Cooling has the most, 8,968 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Shelby?

In Michigan, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Shelby

  1. October 2026: CR Scores recalculated for 571 hvac contractors serving Shelby.
  2. October 2026: 3 duplicate listings merged.

More HVAC contractors and Shelby pages

Other trades in Shelby