235 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Wilmington: Comfort First Heating and Cooling, CR Score 63/100; 4.9★ from 1,501 Google reviews; open 24/7.
Best for emergencies (open 24/7): TR Miller Heating, Cooling, Plumbing and Electrical, posts 24/7 hours; ranked #2 of 235.
Most-reviewed: TR Miller Heating, Cooling, Plumbing and Electrical, 10,641 Google reviews at 4.9★, the most of 235 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
235 Wilmington HVAC contractors are ranked here by CR Score, from ten published factors. 116 are open 24/7, 183 open Saturdays and 147 open Sundays, based on posted hours. The median Google rating is 4.9★ across 235 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Comfort First Heating and Cooling | 63 | 4.9★ (1,501) | Minooka, 12 mi away | 24/7 | Overall |
| 2 | TR Miller Heating, Cooling, Plumbing and Electrical | 62 | 4.9★ (10,641) | Plainfield, 25 mi away | 24/7 | Emergencies, Most reviews |
| 3 | TR Miller Heating, Cooling, Plumbing and Electrical | 62 | 4.9★ (2,423) | Tinley Park, 18 mi away | 24/7 | — |
| 4 | AAA Comfort Heating, Air Conditioning & Refrigeration, Inc. | 60 | 4.4★ (190) | Wilmington | 24/7 | — |
| 5 | EZ-Air Heating & Cooling | 60 | 5.0★ (230) | Morris, 14 mi away | 24/7 | — |
| 6 | Pitch Perfect Plumbing Heating & Cooling LLC | 60 | 5.0★ (123) | Minooka, 10 mi away | 24/7 | — |
| 7 | Update Heating and Cooling Services | 60 | 4.9★ (435) | New Lenox, 15 mi away | 24/7 | — |
| 8 | Rousculp's Heating and Cooling | 60 | 5.0★ (353) | Crest Hill, 17 mi away | 24/7 | — |
| 9 | Magtek Mechanical Heating & Cooling | 60 | 4.9★ (539) | New Lenox, 17 mi away | 24/7 | — |
| 10 | King Heating, Cooling & Plumbing | 60 | 4.8★ (1,060) | Frankfort, 20 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,501 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Plainfield, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 10,641 Google reviews, the most in Wilmington.
Based in Tinley Park, 18 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,423 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington
Ranked #4 because of its Google rating and trade focus: 4.4★ from 190 Google reviews, listed on Google as “HVAC contractor”.
Based in Morris, 14 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 230 Google reviews, listed on Google as “HVAC contractor”.
Based in Minooka, 10 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
Based in New Lenox, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “HVAC contractor”.
Based in Crest Hill, 17 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 353 Google reviews, listed on Google as “HVAC contractor”.
Based in New Lenox, 17 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,060 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,422 Google reviews, listed on Google as “HVAC contractor”.
Based in Channahon, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “Furnace repair service”.
Based in Manteno, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 23 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 664 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Joliet, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 274 Google reviews, listed on Google as “HVAC contractor”.
Based in Bourbonnais, 18 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 430 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 584 Google reviews, listed on Google as “HVAC contractor”.
Based in Montgomery, 24 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 612 Google reviews, listed on Google as “HVAC contractor”.
Based in Joliet, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 301 Google reviews, listed on Google as “HVAC contractor”.
Based in Bradley, 19 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 304 Google reviews, listed on Google as “HVAC contractor”.
Based in Joliet, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 290 Google reviews, listed on Google as “HVAC contractor”.
Based in Coal City, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington
Ranked #24 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based in Minooka, 15 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “HVAC contractor”.
#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 235 ranked HVAC contractors here; the rest are on their profiles.
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.
| Business | Google rating | Distance |
|---|---|---|
| AAA Comfort Heating & Air Conditioning | 3.0★ (2) | 16 mi |
| Able Heating & Cooling | 4.9★ (37) | 16 mi |
| BJ home and engineering | In Wilmington | |
| Blue & Green #1 Services - Landscaping and HVAC | 5.0★ (2) | 15 mi |
| Caltemp Inc | 5.0★ (2) | 16 mi |
| Constant Comfort | 5.0★ (19) | 11 mi |
| David Erzinger Mechanical Service Co. | 5.0★ (10) | 11 mi |
| Dutchman Construction Corporation | 5.0★ (2) | In Wilmington |
| GNS Heating & Cooling | 5.0★ (2) | 18 mi |
| Have Hammer Will Travel Inc | 3.0★ (2) | 17 mi |
| Heat Medics Heating & Cooling, LLC | 5.0★ (131) | 21 mi |
| Kingdom Hvac Solutions LLC | 5.0★ (2) | 5 mi |
| Knights HVAC | 5.0★ (2) | 16 mi |
| Markle's Construction | In Wilmington | |
| Medina's Heating & Air Conditioning | 4.8★ (46) | 16 mi |
| Quick Comfort Heating & Cooling | 5.0★ (2) | 17 mi |
| S A Issert Construction Inc | 5.0★ (1) | In Wilmington |
| Southwest Mechanical, Inc | 3.0★ (2) | 15 mi |
| TODD's HVAC Services | 5.0★ (2) | 15 mi |
| Wind Crest Heating & Cooling | 5.0★ (2) | 17 mi |
National price ranges in USD, not adjusted for Wilmington. 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 |
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.
We scored 235 Wilmington 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 Wilmington 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 |