65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 505 Google reviews, the most in Chester.
- 4.9★ from 505 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 Elm St, Perryville, MO 63775
Best HVAC Contractors in Chester, IL (2026)
6 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Chester: Lundy Heating & Cooling, CR Score 65/100; 4.9★ from 505 Google reviews; open 24/7.
- 2
Most-reviewed: Korando Heating & Cooling, 372 Google reviews at 5.0★, the most of 6 ranked after Lundy Heating & Cooling; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Chester HVAC contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 1 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 6 rated businesses.
Top 6 HVAC contractors in Chester at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lundy Heating & Cooling | 65 | 4.9★ (505) | Perryville, 13 mi away | 24/7 | Overall |
| 2 | Korando Heating & Cooling | 63 | 5.0★ (372) | Chester | — | Most reviews |
| 3 | Winkler Plumbing & Heating Inc | 55 | 4.9★ (39) | Perryville, 13 mi away | — | — |
| 4 | Schumer Bros Heating, Cooling, and Plumbing | 54 | 4.8★ (27) | Perryville, 12 mi away | — | — |
| 5 | M&H Heating and Cooling | 51 | 4.4★ (10) | Perryville, 15 mi away | — | — |
| 6 | Chester Heating & Air Conditioning | 51 | 5.0★ (4) | Perryville, 13 mi away | — | — |
The 6 best HVAC contractors in Chester, 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 Chester
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 372 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 372 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 1941 State St, Chester, IL 62233
Based in Perryville, 13 mi away
55/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 39 Google reviews
- Hours
- Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
- Address
- 703 N Main St, Perryville, MO 63775
Based in Perryville, 12 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.8★ from 27 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
- Address
- 821 N Kingshighway St, Perryville, MO 63775
Based in Perryville, 15 mi away
51/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “HVAC contractor”.
- 4.4★ from 10 Google reviews
- Hours
- Mon–Fri 7 AM–3:30 PM · Sat–Sun closed
- Address
- 3334 US-61, Perryville, MO 63775
Based in Perryville, 13 mi away
51/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 4 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 110b Perry Plaza, Perryville, MO 63775
How much do HVAC contractors cost in Chester?
National price ranges in USD, not adjusted for Chester. 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 Chester HVAC contractors
We scored 6 Chester 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 Chester 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 Chester: frequently asked questions
Who is the best HVAC contractor in Chester?
By CR Score, the highest-ranked HVAC contractor in Chester, IL is Lundy Heating & Cooling with a CR Score of 65/100. It has 4.9★ from 505 Google reviews. It is open 24/7. Korando Heating & Cooling (#2) and Winkler Plumbing & Heating Inc (#3) follow. We ranked 6 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Chester?
ContractorsRanked ranks 6 HVAC contractors serving Chester, IL. 1 of them is based in Chester; the rest serve it from nearby towns. Counts are as of October 2026.
Which HVAC contractors in Chester are open 24/7?
1 ranked HVAC contractor in Chester posts 24/7 hours. The highest-ranked is Lundy Heating & Cooling (#1). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Chester work on weekends?
1 of 6 ranked HVAC contractors post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays is Lundy Heating & Cooling (#1). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Chester?
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 Chester. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Chester HVAC contractors have?
The median Google rating among 6 rated HVAC contractors in Chester is 4.9★, with a median of 33 reviews. Lundy Heating & Cooling has the most, 505 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 Chester?
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 Chester
- October 2026: CR Scores recalculated for 6 hvac contractors serving Chester.
More HVAC contractors and Chester pages
HVAC contractors near Chester
- HVAC contractors in Pinckneyville, IL20 ranked
- HVAC contractors in Murphysboro, IL46 ranked
- HVAC contractors in Du Quoin, IL46 ranked
- HVAC contractors in Waterloo, IL229 ranked
- HVAC contractors in Carbondale, IL49 ranked
- HVAC contractors in Mascoutah, IL121 ranked
- HVAC contractors in Carterville, IL52 ranked
- HVAC contractors in Columbia, IL349 ranked
- HVAC contractors in Belleville, IL288 ranked
- HVAC contractors in Swansea, IL308 ranked
Other trades in Chester
- Roofers in Chester42 ranked
- General contractors in Chester7 ranked
- Siding contractors in Chester13 ranked
- Window installers in Chester10 ranked
- Solar installers in Chester8 ranked
- Tree services in Chester5 ranked
- Water damage restoration companies in Chester16 ranked
- Home builders in Chester11 ranked
- All contractors in Chester