1,619 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mount Prospect: ABC Plumbing, Sewer, Heating, Cooling & Electric, CR Score 93/100; 4.7★ from 22,524 Google reviews; open 24/7.
Best for emergencies (open 24/7): AA Service Co., posts 24/7 hours; ranked #2 of 1,619.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 1,619 ranked; ranked #50.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,619 Mount Prospect HVAC contractors are ranked here by CR Score, from 8 published factors. 692 are open 24/7, 1,245 open Saturdays and 1,007 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,619 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 93 | 4.7★ (22,524) | Arlington Heights, 5 mi away | 24/7 | Overall |
| 2 | AA Service Co. | 92 | 4.9★ (3,150) | Northbrook, 7 mi away | 24/7 | Emergencies |
| 3 | American Star Total Home Comfort | 92 | 5.0★ (1,104) | Rolling Meadows, 5 mi away | 24/7 | — |
| 4 | Intelligent Service: Plumbing, Heating, Cooling & Drain Cleaning | 91 | 4.8★ (1,364) | Des Plaines, 1 mi away | 24/7 | — |
| 5 | Astera Heating, Cooling and Appliance repair | 91 | 4.9★ (1,120) | Prospect Heights, 4 mi away | 24/7 | — |
| 6 | Master Mechanical Inc. | 91 | 5.0★ (275) | Des Plaines, 1 mi away | 24/7 | — |
| 7 | Legendary Service | 91 | 5.0★ (286) | Des Plaines, 2 mi away | 24/7 | — |
| 8 | Azrikam The Price Is Right Heating & Air Conditioning HVAC | 91 | 5.0★ (697) | Northbrook, 7 mi away | 24/7 | — |
| 9 | Deljo Heating, Cooling & Plumbing | 90 | 4.9★ (3,196) | Chicago, 12 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 Mount Prospect
Based in Arlington Heights, 5 mi away
Ranked #1 because of its Google rating and availability: 4.7★ from 22,524 Google reviews, open 24/7.
Based in Northbrook, 7 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 3,150 Google reviews, open 24/7.
Based in Rolling Meadows, 5 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 1,104 Google reviews, open 24/7.
Based in Des Plaines, 1 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 1,364 Google reviews, open 24/7.
Based in Prospect Heights, 4 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 1,120 Google reviews, open 24/7.
Based in Des Plaines, 1 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 275 Google reviews, open 24/7.
Based in Des Plaines, 2 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 286 Google reviews, open 24/7.
Based in Northbrook, 7 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 697 Google reviews, open 24/7.
Based in Chicago, 12 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 3,196 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 Skokie, 12 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 2,707 Google reviews, open 24/7.
Based in Itasca, 8 mi away
Ranked #12 because of its Google rating and availability: 4.7★ from 4,969 Google reviews, open 24/7.
Based in Palatine, 7 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 1,082 Google reviews, open 24/7.
Based in Hoffman Estates, 10 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 939 Google reviews, open 24/7.
Based in Northbrook, 7 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 861 Google reviews, open 24/7.
Based in Carol Stream, 14 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 7,723 Google reviews, open 24/7.
Based in Chicago, 9 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 1,342 Google reviews, open 24/7.
Based in Palatine, 7 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 766 Google reviews, open 24/7.
Based in Chicago, 13 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 2,253 Google reviews, open 24/7.
Based in Buffalo Grove, 7 mi away
Ranked #20 because of its Google rating and availability: 4.7★ from 2,787 Google reviews, open 24/7.
Based in Fox Lake, 7 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 340 Google reviews, open 24/7.
Based in Palatine, 6 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 473 Google reviews, open 24/7.
Based in Northbrook, 6 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 278 Google reviews, open 24/7.
Based in Schaumburg, 10 mi away
Ranked #24 because of its Google rating and availability: 4.9★ from 905 Google reviews, open 24/7.
Based in Hoffman Estates, 10 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 530 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 1,619 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 & H Plumbing & Heating Co | 5.0★ (2) | 3 mi |
| American Pride Heating & Cooling Inc. | 1.5★ (2) | 6 mi |
| Arctic Air Heating and Cooling | In Mount Prospect | |
| Bishop Plumbing, Heating and Cooling, Inc. | 4.5★ (768) | 1 mi |
| Bullock, Logan & Associates | 5.0★ (2) | 3 mi |
| CARI Heating And Air Conditioning Mt Prospect | In Mount Prospect | |
| Climate Control King | 5.0★ (1) | In Mount Prospect |
| Club America Air Conditioning & Heating | In Mount Prospect | |
| Green Air Care | 4.6★ (1,545) | 8 mi |
| Guardian Heating & Cooling | 4.9★ (387) | 9 mi |
| HeatForce Furnace Repair HVAC | 5.0★ (2) | 5 mi |
| Heating and Cooling Service | 5.0★ (1) | In Mount Prospect |
| Mount Prospect Heating and Cooling | In Mount Prospect | |
| O'hare Mechanical Contractors Inc | 5.0★ (2) | 4 mi |
| Refrigeration Service Co | 5.0★ (2) | 3 mi |
| Sebastian’s Heating and Cooling | 5.0★ (2) | In Mount Prospect |
| Tedora Heating & Cooling Repairs | 4.5★ (2) | 4 mi |
| THERMATRONIC INC. | 5.0★ (2) | 3 mi |
| Total Test & Balance | 5.0★ (2) | In Mount Prospect |
| Zach's HVAC | 5.0★ (1) | In Mount Prospect |
National price ranges in USD, not adjusted for Mount Prospect. 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 1,619 Mount Prospect 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 Mount Prospect 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 |