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ContractorsRanked

Best HVAC Contractors in Godfrey, IL (2026)

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

The short answer

  1. 1

    Best overall in Godfrey: Hoffmann Brothers, CR Score 91/100; 4.9★ from 5,405 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Morrison Plumbing, Heating, Air, & Electrical Services, posts 24/7 hours; ranked #2 of 242.

  3. 18

    Most-reviewed: Hoffmann Brothers, 10,949 Google reviews at 4.9★, the most of 242 ranked; ranked #18.

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

242 Godfrey HVAC contractors are ranked here by CR Score, from 8 published factors. 80 are open 24/7, 153 open Saturdays and 125 open Sundays, based on posted hours. The median Google rating is 4.9★ across 242 rated businesses.

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

Top 10 HVAC contractors in Godfrey at a glance

Top 10 HVAC contractors in Godfrey at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Hoffmann Brothers914.9★ (5,405)Edwardsville, 16 mi away24/7Overall
2Morrison Plumbing, Heating, Air, & Electrical Services914.9★ (8,631)Collinsville, 21 mi away24/7Emergencies
3Pruitt Mechanical Services914.9★ (672)Bethalto, 7 mi away24/7—
4Academy Air Heating, Cooling, Plumbing and Electric904.8★ (6,727)Hazelwood, 17 mi away24/7—
5B & B Heating & Cooling904.9★ (1,285)Florissant, 14 mi away24/7—
6Hoffmann Brothers904.9★ (5,847)St. Louis, 22 mi away24/7—
7Gene's Appliance AC & Heating904.9★ (207)Alton, 4 mi away24/7—
8Classic Aire Care905.0★ (1,039)Edwardsville, 16 mi away24/7—
9Air Comfort Service, Inc.894.9★ (2,041)Hazelwood, 17 mi away24/7—
10Classic Aire Care894.9★ (4,820)St. Louis, 22 mi away24/7—

The 242 best HVAC contractors in Godfrey, 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.

  1. Ranked #1 in Godfrey

    #1 Hoffmann Brothers

    Based in Edwardsville, 16 mi away

    91/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 5,405 Google reviews, open 24/7.

    • 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

  6. #6 Hoffmann Brothers

    Based in St. Louis, 22 mi away

    90/100CR Score

    Ranked #6 because of its Google rating and availability: 4.9★ from 5,847 Google reviews, open 24/7.

    • 4.9★ from 5,847 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2043 Woodland Pkwy #100, St. Louis, MO 63146
    View profile for Hoffmann Brothers(314) 880-7437

  8. #8 Classic Aire Care

    Based in Edwardsville, 16 mi away

    90/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 1,039 Google reviews, open 24/7.

    • 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

  10. #10 Classic Aire Care

    Based in St. Louis, 22 mi away

    89/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 4,820 Google reviews, open 24/7.

    • 4.9★ from 4,820 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1276 N Warson Rd, St. Louis, MO 63132
    View profile for Classic Aire Care(314) 988-2501

  16. #16 Premier, Inc

    Based in Saint Charles, 18 mi away

    87/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 422 Google reviews, open 24/7.

    • 4.9★ from 422 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    179 Hughes Ln, St Charles, MO 63301
    View profile for Premier, Inc(636) 916-1122

  18. #18 Hoffmann Brothers

    Based in Brentwood, 24 mi away

    87/100CR Score

    Ranked #18 because of its Google rating and review volume: 4.9★ from 10,949 Google reviews, the most Google reviews on this list (10,949).

    • 4.9★ from 10,949 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    1025 Hanley Industrial Ct, Brentwood, MO 63144
    View profile for Hoffmann Brothers(314) 347-1403

  22. #22 Integrity Aire

    Based in Saint Charles, 23 mi away

    86/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 288 Google reviews, open 24/7.

    • 5.0★ from 288 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1382 Charlestown Industrial Dr, St Charles, MO 63303
    View profile for Integrity Aire(314) 803-3664

HVAC contractors ranked #27 to #28

#1 to #25 are shown in full above. Here are #27 to #28, in CR Score order; each links to its profile. We publish the top 28 of 242 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Godfrey, ranks 27 to 28
RankBusinessCR ScoreGoogle ratingDistance
27Ozark Mechanical855.0★ (160)23 mi
28Xcell Williams854.8★ (141)18 mi

How much do HVAC contractors cost in Godfrey?

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

How much do HVAC contractors cost in Godfrey?
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

When to hire an HVAC contractor in Illinois

In Illinois, 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 Godfrey HVAC contractors

We scored 242 Godfrey 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 Godfrey 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 Godfrey: frequently asked questions

Who is the best HVAC contractor in Godfrey?

By CR Score, the highest-ranked HVAC contractor in Godfrey, IL is Hoffmann Brothers with a CR Score of 91/100. It has 4.9★ from 5,405 Google reviews. It is open 24/7. Morrison Plumbing, Heating, Air, & Electrical Services (#2) and Pruitt Mechanical Services (#3) follow. We ranked 242 HVAC contractors on 8 factors, last updated October 22, 2026.

Which HVAC contractors in Godfrey are open 24/7?

80 ranked HVAC contractors in Godfrey post 24/7 hours. The highest-ranked are Hoffmann Brothers (#1), Morrison Plumbing, Heating, Air, & Electrical Services (#2) and Pruitt Mechanical Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Godfrey work on weekends?

153 of 242 ranked HVAC contractors post Saturday hours and 125 post Sunday hours. The highest-ranked open Saturdays are Hoffmann Brothers (#1), Morrison Plumbing, Heating, Air, & Electrical Services (#2) and Pruitt Mechanical Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Godfrey?

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 Godfrey. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Godfrey HVAC contractors have?

The median Google rating among 242 rated HVAC contractors in Godfrey is 4.9★, with a median of 21 reviews. Hoffmann Brothers has the most, 10,949 reviews, and ranks #18. 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 Godfrey?

In Illinois, 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.

Do HVAC contractors outside Godfrey count in this ranking?

Yes, if they are within 25 mi of the Godfrey city center, our service radius for HVAC contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Godfrey

  1. October 2026: CR Scores recalculated for 242 hvac contractors serving Godfrey.
  2. October 2026: 1 duplicate listing merged.

More HVAC contractors and Godfrey pages

Other trades in Godfrey