1,804 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Glendale Heights: Precision Today Plumbing Heating Cooling Electrical, CR Score 93/100; 4.8★ from 7,723 Google reviews; open 24/7.
Best for emergencies (open 24/7): Borter Heating & Air Conditioning Co, posts 24/7 hours; ranked #2 of 1,804.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 1,804 ranked; ranked #25.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,804 Glendale Heights HVAC contractors are ranked here by CR Score, from 8 published factors. 790 are open 24/7, 1,406 open Saturdays and 1,136 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,804 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Precision Today Plumbing Heating Cooling Electrical | 93 | 4.8★ (7,723) | Carol Stream, 2 mi away | 24/7 | Overall |
| 2 | Borter Heating & Air Conditioning Co | 92 | 5.0★ (1,316) | Wheaton, 4 mi away | 24/7 | Emergencies |
| 3 | Leslie Heating, Cooling, Plumbing, & Electric | 91 | 4.8★ (3,089) | Lombard, 5 mi away | 24/7 | — |
| 4 | Comfort Masters Service Experts | 91 | 4.8★ (1,645) | Addison, 2 mi away | 24/7 | — |
| 5 | ARS / Rescue Rooter | 91 | 4.7★ (4,969) | Itasca, 5 mi away | 24/7 | — |
| 6 | AWE Air Water Energy | 91 | 4.8★ (1,516) | Carol Stream, 3 mi away | 24/7 | — |
| 7 | Paragon Heating, Cooling, and Tankless | 91 | 4.9★ (823) | Villa Park, 4 mi away | 24/7 | — |
| 8 | Service Express Heating and Air Conditioning | 91 | 4.9★ (897) | Villa Park, 5 mi away | 24/7 | — |
| 9 | Chris Heating & Cooling | 91 | 5.0★ (942) | West Chicago, 9 mi away | 24/7 | — |
| 10 | Freedom Heating, Cooling & Electrical | 90 | 4.9★ (2,121) | Franklin Park, 10 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 Glendale Heights
Based in Carol Stream, 2 mi away
Ranked #1 because of its Google rating and availability: 4.8★ from 7,723 Google reviews, open 24/7.
Based in Wheaton, 4 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 1,316 Google reviews, open 24/7.
Based in Lombard, 5 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 3,089 Google reviews, open 24/7.
Based in Addison, 2 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 1,645 Google reviews, open 24/7.
Based in Itasca, 5 mi away
Ranked #5 because of its Google rating and availability: 4.7★ from 4,969 Google reviews, open 24/7.
Based in Carol Stream, 3 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 1,516 Google reviews, open 24/7.
Based in Villa Park, 4 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 823 Google reviews, open 24/7.
Based in Villa Park, 5 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 897 Google reviews, open 24/7.
Based in West Chicago, 9 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 942 Google reviews, open 24/7.
Based in Franklin Park, 10 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 2,121 Google reviews, open 24/7.
Based in Batavia, 11 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 2,593 Google reviews, open 24/7.
Based in Schaumburg, 6 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 905 Google reviews, open 24/7.
Based in West Chicago, 9 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 1,482 Google reviews, open 24/7.
Based in Roselle, 4 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 319 Google reviews, open 24/7.
Based in Naperville, 10 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 1,929 Google reviews, open 24/7.
Based in Plainfield, 19 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 10,641 Google reviews, open 24/7.
Based in Arlington Heights, 16 mi away
Ranked #17 because of its Google rating and availability: 4.7★ from 22,524 Google reviews, open 24/7.
Based in Saint Charles, 11 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 1,873 Google reviews, open 24/7.
Based in Hoffman Estates, 11 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 939 Google reviews, open 24/7.
Based in Rolling Meadows, 12 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 1,104 Google reviews, open 24/7.
Based in Lombard, 5 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 250 Google reviews, open 24/7.
Based in Glendale Heights
Ranked #22 because of its Google rating and availability: 4.8★ from 334 Google reviews, open 24/7.
Based in Carol Stream, 2 mi away
Ranked #23 because of its Google rating and availability: 4.9★ from 294 Google reviews, open 24/7.
Based in Addison, 3 mi away
Ranked #24 because of its Google rating and availability: 4.9★ from 285 Google reviews, open 24/7.
Based in Chicago, 19 mi away
Ranked #25 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most Google reviews on this list (27,709).
#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 1,804 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 |
|---|---|---|
| Aburto's Heating & Cooling | 5.0★ (2) | 1 mi |
| Advanced Cooler Inc | 4.5★ (2) | 5 mi |
| Advantage Mechanical II Inc AMI | 5.0★ (2) | 3 mi |
| Airwise Heating and Air Conditioning | 3.0★ (2) | 4 mi |
| Aslan HVAC | 5.0★ (2) | 1 mi |
| Autumn Construction Services | 5.0★ (2) | 6 mi |
| Bodycote Testing Group Inc | In Glendale Heights | |
| Comfort Commercial HVAC | In Glendale Heights | |
| Comfort Masters Service Experts | 4.8★ (1,224) | 12 mi |
| Deluxe HVAC Cleaners | 4.5★ (2) | 5 mi |
| Eastern Duct Cleaning | 3.0★ (2) | 3 mi |
| Elite Heating and Cooling LLC | 5.0★ (2) | 5 mi |
| Four Seasons Air Systems, Inc. | In Glendale Heights | |
| Marc's Heating & Cooling | 5.0★ (2) | 5 mi |
| Newday, Inc. | 3.0★ (2) | 3 mi |
| North Town Mechanical Services | 5.0★ (2) | 5 mi |
| OHM Remodeling & Solutions | 5.0★ (2) | In Glendale Heights |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 4 mi |
| Progressive Mechanical Services | 5.0★ (2) | 5 mi |
| wheatonilgaragedoor | 5.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for Glendale Heights. 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 1,804 Glendale Heights 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 Glendale Heights 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 |