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Best HVAC Contractors in Shiloh, IL (2026)

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

The short answer

  1. 1

    Best overall in Shiloh: Morrison Plumbing, Heating, Air, & Electrical Services, CR Score 65/100; 4.9★ from 8,631 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Classic Aire Care, posts 24/7 hours; ranked #2 of 237.

  3. 13

    Most-reviewed: Hoffmann Brothers, 10,949 Google reviews at 4.9★, the most of 237 ranked; ranked #13.

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

237 Shiloh HVAC contractors are ranked here by CR Score, from ten published factors. 75 are open 24/7, 146 open Saturdays and 122 open Sundays, based on posted hours. The median Google rating is 4.9★ across 237 rated businesses.

Top 10 HVAC contractors in Shiloh at a glance

Top 10 HVAC contractors in Shiloh at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Morrison Plumbing, Heating, Air, & Electrical Services654.9★ (8,631)Collinsville, 11 mi away24/7Overall
2Classic Aire Care645.0★ (1,160)Fairview Heights, 5 mi away24/7Emergencies
3Home Heating & Cooling645.0★ (586)O'Fallon, 4 mi away24/7—
4BELOMAN644.9★ (1,500)Belleville, 8 mi away24/7—
5Tiger Plumbing, Heating, Air Conditioning, & Electrical Services634.7★ (5,072)Collinsville, 10 mi away24/7—
6Hoffmann Brothers634.9★ (5,405)Edwardsville, 17 mi away24/7—
7Heritage Heating & Cooling635.0★ (581)O'Fallon, 2 mi awaySat · Sun · Evenings—
8Viviano Heating & Air Conditioning, Inc.634.9★ (890)Collinsville, 9 mi away24/7—
9Polar Plumbing, Heating & Air Conditioning625.0★ (514)Collinsville, 10 mi away24/7—
10Classic Aire Care625.0★ (1,039)Edwardsville, 15 mi away24/7—

The 237 best HVAC contractors in Shiloh, ranked

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

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Based in Fairview Heights, 5 mi away

    64/100CR Score

    Ranked #2 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
  2. Based in Belleville, 8 mi away

    64/100CR 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
  3. Based in Edwardsville, 17 mi away

    63/100CR Score

    Ranked #6 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
  4. Based in Edwardsville, 15 mi away

    62/100CR 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
  5. Based in Brentwood, 24 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.9★ from 10,949 Google reviews, the most in Shiloh.

    • 4.9★ from 10,949 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    1025 Hanley Industrial Ct, Brentwood, MO 63144
  6. Based in Belleville, 6 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 230 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 230 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–2 PM
    Address
    405 N Illinois St, Belleville, IL 62220
  7. Based in St. Louis, 20 mi away

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 5,170 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 5,170 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 7 AM–5 PM · Sun closed
    Address
    1643 Tower Grove Ave, St. Louis, MO 63110

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 237 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Shiloh, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Design Aire Heating & Cooling - St. Louis595.0★ (926)21 mi
27Belleville Services584.7★ (49)8 mi
28Gili Heating & Cooling585.0★ (38)11 mi
29SmartHouse Heating and Cooling584.9★ (476)24 mi
30Jersey heating and cooling llc575.0★ (163)22 mi
31Certified574.9★ (10)5 mi
32Meyer Heating and Air574.9★ (1,051)24 mi
33B & W Heating & Cooling574.8★ (383)24 mi
34Reinhold Heating & Cooling575.0★ (62)18 mi
35All American Appliance Service,LLC.574.7★ (2,264)25 mi
36Viking Mechanical LLC575.0★ (12)3 mi
37CLEANSTREAM LLC575.0★ (202)1 mi
38Heritage Heating & Cooling574.9★ (181)18 mi
39T-Will Fix It574.9★ (195)18 mi
40Guaranteed Comfort and Energy574.6★ (38)12 mi
41Mike's Heating and Air574.5★ (22)10 mi
42Hosack Plumbing, Heating & Cooling564.9★ (153)25 mi
43American Air Heating & Cooling564.9★ (355)24 mi
44Weis Comfort Systems564.8★ (152)23 mi
45American Heating & Air Conditioning555.0★ (40)23 mi
46Bickle Contracting Co., Inc.554.8★ (32)20 mi
47Empty Nest Restoration555.0★ (5)12 mi
48JBR Heating and Cooling555.0★ (20)20 mi
49Pierce Heating and Air555.0★ (10)17 mi
50Lunk's Heating & Cooling555.0★ (29)24 mi

Also serving Shiloh

20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Shiloh
BusinessGoogle ratingDistance
ABS Heating & Cooling5.0★ (10)11 mi
Advanced Heating Cooling and Refrigeration5.0★ (2)24 mi
Advanced HVAC Solutions5.0★ (27)24 mi
Affordable Comfort Hvac and Electrical1.0★ (1)12 mi
Air Rescue5.0★ (10)20 mi
Dee Heating and Cooling5.0★ (2)20 mi
Ductz of the Metro East5.0★ (1)13 mi
Elite Heating & Cooling1.0★ (2)21 mi
Elm Heating & Air Conditioning5.0★ (2)16 mi
FORCE ELEGANCE5.0★ (1)18 mi
Inman Heating & Cooling4.1★ (45)10 mi
Inman Heating & Cooling4.1★ (14)18 mi
MALHEREK,S HEATING & COOLING, LLC5.0★ (1)8 mi
McNichols Heating & Cooling4.8★ (16)13 mi
Nilos, LLC5.0★ (2)8 mi
OMC Heating and Cooling5.0★ (1)12 mi
St Louis Heating and Cooling4.7★ (15)21 mi
TC Heating and Cooling5.0★ (2)15 mi
V1 Comfort Solutions4.4★ (27)21 mi
WSM Inc. S.I.5.0★ (2)13 mi

How much do HVAC contractors cost in Shiloh?

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

How much do HVAC contractors cost in Shiloh?
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 Shiloh HVAC contractors

We scored 237 Shiloh HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Shiloh data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Shiloh: frequently asked questions

Who is the best HVAC contractor in Shiloh?

By CR Score, the highest-ranked HVAC contractor in Shiloh, IL is Morrison Plumbing, Heating, Air, & Electrical Services with a CR Score of 65/100. It has 4.9★ from 8,631 Google reviews. It is open 24/7. Classic Aire Care (#2) and Home Heating & Cooling (#3) follow. We ranked 237 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Shiloh?

ContractorsRanked ranks 237 HVAC contractors serving Shiloh, IL. 1 of them is based in Shiloh; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Shiloh are open 24/7?

75 ranked HVAC contractors in Shiloh post 24/7 hours. The highest-ranked are Morrison Plumbing, Heating, Air, & Electrical Services (#1), Classic Aire Care (#2) and Home Heating & Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Shiloh work on weekends?

146 of 237 ranked HVAC contractors post Saturday hours and 122 post Sunday hours. The highest-ranked open Saturdays are Morrison Plumbing, Heating, Air, & Electrical Services (#1), Classic Aire Care (#2) and Home Heating & Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Shiloh?

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

What Google rating do Shiloh HVAC contractors have?

The median Google rating among 237 rated HVAC contractors in Shiloh is 4.9★, with a median of 22 reviews. Hoffmann Brothers has the most, 10,949 reviews, and ranks #13. 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 Shiloh?

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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Shiloh

  1. October 2026: CR Scores recalculated for 237 hvac contractors serving Shiloh.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Shiloh pages

Other trades in Shiloh