63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,143 Google reviews, the most in Du Quoin.
- 4.9★ from 2,143 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 208 Rushing Dr, Herrin, IL 62948
Best HVAC Contractors in Du Quoin, IL (2026)
46 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Du Quoin: Pass One Hour Heating & Air Conditioning, CR Score 63/100; 4.9★ from 2,143 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): RSP Heating and Cooling, posts 24/7 hours; ranked #2 of 46.
- 2
Most-reviewed: RSP Heating and Cooling, 1,882 Google reviews at 4.9★, the most of 46 ranked after Pass One Hour Heating & Air Conditioning; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
46 Du Quoin HVAC contractors are ranked here by CR Score, from ten published factors. 16 are open 24/7, 21 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.9★ across 46 rated businesses.
Top 10 HVAC contractors in Du Quoin at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pass One Hour Heating & Air Conditioning | 63 | 4.9★ (2,143) | Herrin, 22 mi away | 24/7 | Overall |
| 2 | RSP Heating and Cooling | 63 | 4.9★ (1,882) | Carterville, 21 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Charlie's Air Conditioning & Heating | 62 | 5.0★ (777) | Carterville, 19 mi away | 24/7 | — |
| 4 | Bailey's Heating & Cooling | 61 | 5.0★ (236) | Marion, 18 mi away | 24/7 | — |
| 5 | Webb's Heating & Air Conditioning | 60 | 4.9★ (379) | Herrin, 20 mi away | 24/7 | — |
| 6 | Unrivaled Heating and Cooling | 60 | 5.0★ (61) | Marion, 10 mi away | 24/7 | — |
| 7 | Parker Heating & Cooling | 60 | 4.8★ (636) | Marion, 23 mi away | 24/7 | — |
| 8 | Cook's Heating and Air LLC | 59 | 5.0★ (6) | Du Quoin | 24/7 | — |
| 9 | Taylor Heating & Cooling | 57 | 5.0★ (43) | West Frankfort, 19 mi away | 24/7 | — |
| 10 | Voss Heating & AC Inc | 57 | 4.7★ (54) | Murphysboro, 18 mi away | 24/7 | — |
The 46 best HVAC contractors in Du Quoin, 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.
Based in Carterville, 21 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 1,882 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 1,882 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6951 Grand Rd, Carterville, IL 62918
Based in Carterville, 19 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 777 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 777 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 130 S Division St, Carterville, IL 62918
Based in Marion, 18 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 236 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 236 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Herrin, 20 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 379 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 379 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 203 S Pershing St, Energy, IL 62933
Based in Marion, 10 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Marion, 23 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 636 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 636 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7962 Old Rte 13 West, Marion, IL 62959
Based in Du Quoin
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2823 US-51, Du Quoin, IL 62832
Based in West Frankfort, 19 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11875 Calsburg Rd, West Frankfort, IL 62896
Based in Murphysboro, 18 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 54 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 724 N 17th St, Murphysboro, IL 62966
Based in Du Quoin
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 36 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 115 W Main St, Du Quoin, IL 62832
Based in Herrin, 18 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 61 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.3★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 901 N Park Ave, Herrin, IL 62948
Based in Carbondale, 18 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 345 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 345 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 2330 N McRoy Dr, Carbondale, IL 62901
Based in West Frankfort, 20 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1708 E Main St, West Frankfort, IL 62896
Based in Herrin, 20 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 401 E Ford St, Energy, IL 62933
Based in Benton, 20 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Murphysboro, 15 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 23 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 23 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–5 PM
- Address
- 26 Mccormack Dr, Murphysboro, IL 62966
#18 Koerner & Sons
Based in Du Quoin
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 7 AM–9 PM · Sun closed
- Address
- 14 N Oak St, Du Quoin, IL 62832
Based in Pinckneyville, 9 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Air conditioning contractor”.
- 5.0★ from 26 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
- Address
- 1001 S Main St, Pinckneyville, IL 62274
Based in Murphysboro, 18 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “HVAC contractor”.
- 4.2★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1020 Walnut St, Murphysboro, IL 62966
#21 618 Service
Based in Du Quoin
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 300 N Hickory, Du Quoin, IL 62832
Based in Murphysboro, 17 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 119 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 119 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 511 Health Dept Rd, Murphysboro, IL 62966
Based in Murphysboro, 18 mi away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–7 PM · Sun 8 AM–6 PM
- Address
- 358 S Williams St, Murphysboro, IL 62966
Based in Herrin, 18 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Thu 9 AM–5 PM · Fri 9 AM–4 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 112 E Walnut St, Herrin, IL 62948
Based in Carterville, 19 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 2.4★ from 9 Google reviews, listed on Google as “HVAC contractor”.
- 2.4★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 Vera St, Carterville, IL 62918
All 46 HVAC contractors
#1 to #25 are shown in full above. Here are #26 to #46, in CR Score order; each links to its profile.
Also serving Du Quoin
18 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.
| Business | Google rating | Distance |
|---|---|---|
| 618 electric | 4.4★ (18) | In Du Quoin |
| Bridge's Construction | 3.0★ (2) | In Du Quoin |
| CAS HVAC/R | 1.0★ (1) | 22 mi |
| Climate Solutions Heating & Cool | 1.0★ (1) | 10 mi |
| Cross Heating And Air | 5.0★ (1) | 20 mi |
| Custom By Contempri | 9 mi | |
| Genesio's Refrigeration Services | 4.5★ (2) | In Du Quoin |
| Gurley & Son Heating & AC | 4.0★ (2) | 20 mi |
| Jany's "On The Spot" | 5.0★ (2) | 23 mi |
| Kraft Plumbing and Heating | 16 mi | |
| M And M Heating & Cooling | 14 mi | |
| On The Spot Air | 25 mi | |
| Pass Heating & Air Conditioning | 3.0★ (2) | 17 mi |
| Sapp's Heating & Air | 5.0★ (1) | 14 mi |
| Smart HVAC/Duct Cleaning | 5.0★ (1) | 23 mi |
| Stearns HVAC | 15 mi | |
| Webb's Heating & Air Conditioning | 5.0★ (2) | 25 mi |
| Weeke Southern | 17 mi |
How much do HVAC contractors cost in Du Quoin?
National price ranges in USD, not adjusted for Du Quoin. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 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 Du Quoin HVAC contractors
We scored 46 Du Quoin 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.
| Factor | Weight | Computed from | In Du Quoin data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
HVAC contractors in Du Quoin: frequently asked questions
Who is the best HVAC contractor in Du Quoin?
By CR Score, the highest-ranked HVAC contractor in Du Quoin, IL is Pass One Hour Heating & Air Conditioning with a CR Score of 63/100. It has 4.9★ from 2,143 Google reviews. It is open 24/7. RSP Heating and Cooling (#2) and Charlie's Air Conditioning & Heating (#3) follow. We ranked 46 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Du Quoin?
ContractorsRanked ranks 46 HVAC contractors serving Du Quoin, IL. 5 of them are based in Du Quoin; the rest serve it from nearby towns. Another 18 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Du Quoin are open 24/7?
16 ranked HVAC contractors in Du Quoin post 24/7 hours. The highest-ranked are Pass One Hour Heating & Air Conditioning (#1), RSP Heating and Cooling (#2) and Charlie's Air Conditioning & Heating (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Du Quoin work on weekends?
21 of 46 ranked HVAC contractors post Saturday hours and 20 post Sunday hours. The highest-ranked open Saturdays are Pass One Hour Heating & Air Conditioning (#1), RSP Heating and Cooling (#2) and Charlie's Air Conditioning & Heating (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Du Quoin?
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 Du Quoin. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Du Quoin HVAC contractors have?
The median Google rating among 46 rated HVAC contractors in Du Quoin is 4.9★, with a median of 16 reviews. Pass One Hour Heating & Air Conditioning has the most, 2,143 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 Du Quoin?
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 Du Quoin
- October 2026: CR Scores recalculated for 46 hvac contractors serving Du Quoin.
More HVAC contractors and Du Quoin pages
HVAC contractors near Du Quoin
- HVAC contractors in Pinckneyville, IL20 ranked
- HVAC contractors in Benton, IL49 ranked
- HVAC contractors in Murphysboro, IL46 ranked
- HVAC contractors in Herrin, IL52 ranked
- HVAC contractors in West Frankfort, IL51 ranked
- HVAC contractors in Carterville, IL52 ranked
- HVAC contractors in Carbondale, IL49 ranked
- HVAC contractors in Marion, IL51 ranked
- HVAC contractors in Mount Vernon, IL25 ranked
- HVAC contractors in Chester, IL6 ranked
Other trades in Du Quoin
- Roofers in Du Quoin48 ranked
- Plumbers in Du Quoin31 ranked
- Electricians in Du Quoin20 ranked
- General contractors in Du Quoin46 ranked
- Painters in Du Quoin8 ranked
- Kitchen remodelers in Du Quoin12 ranked
- Bathroom remodelers in Du Quoin12 ranked
- Flooring contractors in Du Quoin16 ranked
- Concrete contractors in Du Quoin10 ranked
- Fence contractors in Du Quoin9 ranked
- Siding contractors in Du Quoin18 ranked
- Window installers in Du Quoin11 ranked
- Gutter installers in Du Quoin8 ranked
- Solar installers in Du Quoin5 ranked
- Tree services in Du Quoin25 ranked
- Water damage restoration companies in Du Quoin17 ranked
- Home builders in Du Quoin12 ranked
- Demolition contractors in Du Quoin6 ranked
- All contractors in Du Quoin