1,466 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lemont: TR Miller Heating, Cooling, Plumbing and Electrical, CR Score 64/100; 4.9★ from 10,641 Google reviews; open 24/7.
Best for emergencies (open 24/7): Four Seasons Heating, Air Conditioning, Plumbing, & Electric, posts 24/7 hours; ranked #2 of 1,466.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 1,466 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,466 Lemont HVAC contractors are ranked here by CR Score, from ten published factors. 620 are open 24/7, 1,135 open Saturdays and 907 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,466 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | TR Miller Heating, Cooling, Plumbing and Electrical | 64 | 4.9★ (10,641) | Plainfield, 10 mi away | 24/7 | Overall |
| 2 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 64 | 4.7★ (27,709) | Chicago, 14 mi away | 24/7 | Emergencies, Most reviews |
| 3 | All Temp Heating and Air Conditioning- Bolingbrook | 62 | 5.0★ (330) | Bolingbrook, 3 mi away | 24/7 | — |
| 4 | TR Miller Heating, Cooling, Plumbing and Electrical | 62 | 4.9★ (2,423) | Tinley Park, 12 mi away | 24/7 | — |
| 5 | Energy Services Air Conditioning & Heating Co. & Electrical | 62 | 4.9★ (1,929) | Naperville, 11 mi away | 24/7 | — |
| 6 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.7★ (4,200) | Bridgeview, 10 mi away | 24/7 | — |
| 7 | Comfort Services Heating & Air Conditioning | 62 | 4.9★ (1,422) | Plainfield, 10 mi away | 24/7 | — |
| 8 | Precision Today Plumbing Heating Cooling Electrical | 62 | 4.8★ (7,723) | Carol Stream, 16 mi away | 24/7 | — |
| 9 | Leslie Heating, Cooling, Plumbing, & Electric | 62 | 4.8★ (3,089) | Lombard, 12 mi away | 24/7 | — |
| 10 | Perfect Home Services | 62 | 4.7★ (5,573) | Aurora, 13 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 in Lemont
Based in Plainfield, 10 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 10,641 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 14 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most in Lemont.
Based in Bolingbrook, 3 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 330 Google reviews, listed on Google as “HVAC contractor”.
Based in Tinley Park, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,423 Google reviews, listed on Google as “HVAC contractor”.
Based in Naperville, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,929 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeview, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 4,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,422 Google reviews, listed on Google as “HVAC contractor”.
Based in Carol Stream, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 7,723 Google reviews, listed on Google as “HVAC contractor”.
Based in Lombard, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 3,089 Google reviews, listed on Google as “HVAC contractor”.
Based in Aurora, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 5,573 Google reviews, listed on Google as “HVAC contractor”.
Based in Crestwood, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 3,722 Google reviews, listed on Google as “HVAC contractor”.
Based in Lemont
Ranked #12 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 8 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 408 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 10 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 584 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Countryside, 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 623 Google reviews, listed on Google as “HVAC contractor”.
Based in Wheaton, 16 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 1,316 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 471 Google reviews, listed on Google as “HVAC contractor”.
Based in Bolingbrook, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort, 3 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “HVAC contractor”.
Based in Oak Forest, 15 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 3,996 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 13 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 664 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Alsip, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 842 Google reviews, listed on Google as “Heating contractor”.
Based in Crest Hill, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 353 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 9 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 331 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 1,466 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-Formula Mechanical Corporation | 5.0★ (2) | In Lemont |
| Apex Energy, Inc. | 5.0★ (2) | 8 mi |
| Carbone Plumbing Inc. | 3.7★ (6) | In Lemont |
| Comfort Zone Service | 5.0★ (296) | 12 mi |
| Dove Air Purification LLC | In Lemont | |
| E & C Refrigeration Inc | In Lemont | |
| Get Comfortable | 5.0★ (2) | 6 mi |
| Heinz Heating | In Lemont | |
| HVAC Today Inc. | 1.0★ (2) | 5 mi |
| Ideal Home Temperature LLC | 5.0★ (2) | 6 mi |
| Micks Heating & Cooling | 5.0★ (2) | 8 mi |
| Mlm Hvac | In Lemont | |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 15 mi |
| Polar Heating & AC | 4.6★ (899) | 8 mi |
| Pro Temp of Illinois | 5.0★ (2) | 6 mi |
| Salmark HVAC | In Lemont | |
| SERVPRO of Lockport/ Lemont/ Homer Glen | 5.0★ (85) | In Lemont |
| Solutions Mechanical LLC | 5.0★ (2) | 6 mi |
| Thermocool hvacr | In Lemont | |
| Ustarshah.inc | In Lemont |
National price ranges in USD, not adjusted for Lemont. 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 1,466 Lemont 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 Lemont 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 |