1,776 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oak Brook: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, CR Score 64/100; 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 1,776.
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,776 ranked after Four Seasons Heating, Air Conditioning, Plumbing, & Electric; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,776 Oak Brook HVAC contractors are ranked here by CR Score, from ten published factors. 758 are open 24/7, 1,379 open Saturdays and 1,110 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,776 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 64 | 4.7★ (27,709) | Chicago, 10 mi away | 24/7 | Overall |
| 2 | Leslie Heating, Cooling, Plumbing, & Electric | 64 | 4.8★ (3,089) | Lombard, 5 mi away | 24/7 | Emergencies |
| 3 | Precision Today Plumbing Heating Cooling Electrical | 64 | 4.8★ (7,723) | Carol Stream, 10 mi away | 24/7 | — |
| 4 | Freedom Heating, Cooling & Electrical | 63 | 4.9★ (2,121) | Franklin Park, 7 mi away | 24/7 | — |
| 5 | Service Express Heating and Air Conditioning | 63 | 4.9★ (897) | Villa Park, 5 mi away | 24/7 | — |
| 6 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 62 | 4.8★ (1,107) | Downers Grove, 5 mi away | 24/7 | — |
| 7 | Goodberlet Home Services | 62 | 4.8★ (648) | Elmhurst, 2 mi away | 24/7 | — |
| 8 | Paragon Heating, Cooling, and Tankless | 62 | 4.9★ (823) | Villa Park, 6 mi away | 24/7 | — |
| 9 | TR Miller Heating, Cooling, Plumbing and Electrical | 62 | 4.9★ (10,641) | Plainfield, 18 mi away | 24/7 | — |
| 10 | Borter Heating & Air Conditioning Co | 62 | 5.0★ (1,316) | Wheaton, 11 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 Oak Brook
Based in Chicago, 10 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most in Oak Brook.
Based in Lombard, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 3,089 Google reviews, listed on Google as “HVAC contractor”.
Based in Carol Stream, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 7,723 Google reviews, listed on Google as “HVAC contractor”.
Based in Franklin Park, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,121 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Villa Park, 5 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 897 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,107 Google reviews, listed on Google as “HVAC contractor”.
Based in Elmhurst, 2 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 648 Google reviews, listed on Google as “Furnace repair service”.
Based in Villa Park, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 823 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 18 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 10,641 Google reviews, listed on Google as “HVAC contractor”.
Based in Wheaton, 11 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 1,316 Google reviews, listed on Google as “HVAC contractor”.
Based in Addison, 7 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,645 Google reviews, listed on Google as “HVAC contractor”.
Based in Countryside, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 623 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeview, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 4,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Itasca, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 4,969 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 3,196 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 2,253 Google reviews, listed on Google as “HVAC contractor”.
Based in Naperville, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,929 Google reviews, listed on Google as “HVAC contractor”.
Based in Lombard, 5 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 250 Google reviews, listed on Google as “HVAC contractor”.
Based in Arlington Heights, 21 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 22,524 Google reviews, listed on Google as “HVAC contractor”.
Based in Carol Stream, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,516 Google reviews, listed on Google as “HVAC contractor”.
Based in Villa Park, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 346 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 471 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,342 Google reviews, listed on Google as “HVAC contractor”.
Based in Downers Grove, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 331 Google reviews, listed on Google as “HVAC contractor”.
Based in Brookfield, 5 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 184 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 1,776 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 |
|---|---|---|
| 1 Source Mechanical | In Oak Brook | |
| A & S Heating and Cooling | 5.0★ (2) | 3 mi |
| Advantage Mechanical II Inc AMI | 5.0★ (2) | 6 mi |
| Airwise Heating and Air Conditioning | 3.0★ (2) | 5 mi |
| All Around Heating & Cooling | 5.0★ (2) | 7 mi |
| Autumn Construction Services | 5.0★ (2) | 5 mi |
| Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 4.8★ (320) | 7 mi |
| Gaines Property Heating & Cooling | 5.0★ (2) | 5 mi |
| Great Lakes Plumbing Heating & Fire Protection Company | 4.5★ (2) | 2 mi |
| Heating & Cooling Service | 5.0★ (2) | 2 mi |
| Ideal Heating Co. | 3.0★ (2) | 4 mi |
| Indoor Comfort | 4.8★ (598) | 10 mi |
| Kats Heating and Cooling | 5.0★ (2) | 4 mi |
| Maganas Heating and Contracting | 5.0★ (2) | 4 mi |
| NURA Heating & Cooling | 5.0★ (2) | 4 mi |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 10 mi |
| Pro Temp of Illinois | 5.0★ (2) | 6 mi |
| Solutions Mechanical LLC | 5.0★ (2) | 6 mi |
| Trane | In Oak Brook | |
| WeatherMix Heating & Cooling | 5.0★ (2) | 6 mi |
National price ranges in USD, not adjusted for Oak Brook. 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 1,776 Oak Brook 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 Oak Brook 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 |