1,769 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westmont: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, CR Score 92/100; 4.7★ from 27,709 Google reviews; open 24/7.
Best for emergencies (open 24/7): Leslie Heating, Cooling, Plumbing, & Electric, posts 24/7 hours; ranked #2 of 1,769.
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,769 ranked after Four Seasons Heating, Air Conditioning, Plumbing, & Electric; ranked #44.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,769 Westmont HVAC contractors are ranked here by CR Score, from 8 published factors. 756 are open 24/7, 1,376 open Saturdays and 1,106 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,769 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 92 | 4.7★ (27,709) | Chicago, 11 mi away | 24/7 | Overall |
| 2 | Leslie Heating, Cooling, Plumbing, & Electric | 91 | 4.8★ (3,089) | Lombard, 5 mi away | 24/7 | Emergencies |
| 3 | Precision Today Plumbing Heating Cooling Electrical | 91 | 4.8★ (7,723) | Carol Stream, 9 mi away | 24/7 | — |
| 4 | TR Miller Heating, Cooling, Plumbing and Electrical | 91 | 4.9★ (10,641) | Plainfield, 15 mi away | 24/7 | — |
| 5 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 91 | 4.8★ (1,107) | Downers Grove, 2 mi away | 24/7 | — |
| 6 | Borter Heating & Air Conditioning Co | 91 | 5.0★ (1,316) | Wheaton, 10 mi away | 24/7 | — |
| 7 | Energy Services Air Conditioning & Heating Co. & Electrical | 90 | 4.9★ (1,929) | Naperville, 9 mi away | 24/7 | — |
| 8 | Freedom Heating, Cooling & Electrical | 90 | 4.9★ (2,121) | Franklin Park, 11 mi away | 24/7 | — |
| 9 | Service Express Heating and Air Conditioning | 90 | 4.9★ (897) | Villa Park, 7 mi away | 24/7 | — |
| 10 | The Heat Engineering Co. | 90 | 4.9★ (623) | Countryside, 5 mi away | 24/7 | — |
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.
Ranked #1 in Westmont
Based in Chicago, 11 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most Google reviews on this list (27,709).
Based in Lombard, 5 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 3,089 Google reviews, open 24/7.
Based in Carol Stream, 9 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 7,723 Google reviews, open 24/7.
Based in Plainfield, 15 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 10,641 Google reviews, open 24/7.
Based in Downers Grove, 2 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 1,107 Google reviews, open 24/7.
Based in Wheaton, 10 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 1,316 Google reviews, open 24/7.
Based in Naperville, 9 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 1,929 Google reviews, open 24/7.
Based in Franklin Park, 11 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 2,121 Google reviews, open 24/7.
Based in Villa Park, 7 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 897 Google reviews, open 24/7.
Based in Countryside, 5 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 623 Google reviews, open 24/7.
Based in Downers Grove, 4 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 471 Google reviews, open 24/7.
Based in Villa Park, 8 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 823 Google reviews, open 24/7.
Based in Downers Grove, 3 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 331 Google reviews, open 24/7.
Based in Lombard, 5 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 250 Google reviews, open 24/7.
Based in Addison, 8 mi away
Ranked #15 because of its Google rating and availability: 4.8★ from 1,645 Google reviews, open 24/7.
Based in Elmhurst, 4 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 648 Google reviews, open 24/7.
Based in Downers Grove, 2 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 129 Google reviews, open 24/7.
Based in Bridgeview, 10 mi away
Ranked #18 because of its Google rating and availability: 4.7★ from 4,200 Google reviews, open 24/7.
Based in Carol Stream, 10 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 1,516 Google reviews, open 24/7.
Based in West Chicago, 14 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 942 Google reviews, open 24/7.
Based in Downers Grove, 5 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 187 Google reviews, open 24/7.
Based in Aurora, 13 mi away
Ranked #22 because of its Google rating and availability: 4.7★ from 5,573 Google reviews, open 24/7.
Based in Bolingbrook, 9 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 330 Google reviews, open 24/7.
Based in Westmont
Ranked #24 because of its Google rating and availability: 4.9★ from 112 Google reviews, open 24/7.
Based in Itasca, 13 mi away
Ranked #25 because of its Google rating and availability: 4.7★ from 4,969 Google reviews, open 24/7.
#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 1,769 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 |
|---|---|---|
| A & S Heating and Cooling | 5.0★ (2) | 6 mi |
| Advantage Mechanical II Inc AMI | 5.0★ (2) | 6 mi |
| Airwise Heating and Air Conditioning | 3.0★ (2) | 5 mi |
| Arkay Mechanical Inc | 5.0★ (2) | 5 mi |
| Autumn Construction Services | 5.0★ (2) | 4 mi |
| Gaines Property Heating & Cooling | 5.0★ (2) | 7 mi |
| Goode Plumbing | 4.8★ (2,374) | 17 mi |
| Great Lakes Plumbing Heating & Fire Protection Company | 4.5★ (2) | In Westmont |
| Heating & Cooling Service | 5.0★ (2) | 5 mi |
| Helm Mechanical | 3.3★ (3) | In Westmont |
| HVAC Today Inc. | 1.0★ (2) | 6 mi |
| Ideal Heating Co. | 3.0★ (2) | 6 mi |
| JMS Environmental Assoc LTD | 5.0★ (1) | In Westmont |
| Kats Heating and Cooling | 5.0★ (2) | 6 mi |
| Maganas Heating and Contracting | 5.0★ (2) | 6 mi |
| Midwest Mechanical | In Westmont | |
| NURA Heating & Cooling | 5.0★ (2) | 7 mi |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 9 mi |
| Pro Temp of Illinois | 5.0★ (2) | 4 mi |
| Solutions Mechanical LLC | 5.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for Westmont. 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 1,769 Westmont 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.
| Factor | Weight | Computed from | In Westmont data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |