1,181 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lake Zurich: ABC Plumbing, Sewer, Heating, Cooling & Electric, CR Score 65/100; 4.7★ from 22,524 Google reviews; open 24/7.
Best for emergencies (open 24/7): Black Diamond Plumbing & Mechanical Inc., posts 24/7 hours; ranked #2 of 1,181.
Most-reviewed: Precision Today Plumbing Heating Cooling Electrical, 7,723 Google reviews at 4.8★, the most of 1,181 ranked after ABC Plumbing, Sewer, Heating, Cooling & Electric; ranked #33.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,181 Lake Zurich HVAC contractors are ranked here by CR Score, from ten published factors. 524 are open 24/7, 893 open Saturdays and 731 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,181 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 65 | 4.7★ (22,524) | Arlington Heights, 7 mi away | 24/7 | Overall |
| 2 | Black Diamond Plumbing & Mechanical Inc. | 63 | 4.9★ (6,580) | McHenry, 13 mi away | 24/7 | Emergencies |
| 3 | Aaron & Trecker Heating and Air Conditioning | 63 | 5.0★ (320) | Lake Zurich | 24/7 | — |
| 4 | Mr. Heating and Cooling Inc | 63 | 5.0★ (283) | Lake Zurich | 24/7 | — |
| 5 | American Star Total Home Comfort | 63 | 5.0★ (1,104) | Rolling Meadows, 8 mi away | 24/7 | — |
| 6 | Lifeline Plumbing, Heating & Cooling | 63 | 4.9★ (3,222) | Elgin, 12 mi away | 24/7 | — |
| 7 | Four Seasons Heating, Air Conditioning, Plumbing, Electric | 63 | 4.7★ (2,787) | Buffalo Grove, 6 mi away | 24/7 | — |
| 8 | AA Service Co. | 63 | 4.9★ (3,150) | Northbrook, 13 mi away | 24/7 | — |
| 9 | Aire Serv of Palatine | 63 | 4.9★ (766) | Palatine, 5 mi away | 24/7 | — |
| 10 | Five Star Heating & Air, Inc. | 62 | 4.9★ (1,082) | Palatine, 8 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 Lake Zurich
Based in Arlington Heights, 7 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most in Lake Zurich.
Based in McHenry, 13 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 6,580 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Zurich
Ranked #3 because of its Google rating and trade focus: 5.0★ from 320 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Zurich
Ranked #4 because of its Google rating and trade focus: 5.0★ from 283 Google reviews, listed on Google as “HVAC contractor”.
Based in Rolling Meadows, 8 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 1,104 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 3,222 Google reviews, listed on Google as “HVAC contractor”.
Based in Buffalo Grove, 6 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 2,787 Google reviews, listed on Google as “HVAC contractor”.
Based in Northbrook, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 3,150 Google reviews, listed on Google as “HVAC contractor”.
Based in Palatine, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 766 Google reviews, listed on Google as “HVAC contractor”.
Based in Palatine, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,082 Google reviews, listed on Google as “HVAC contractor”.
Based in Hoffman Estates, 9 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 939 Google reviews, listed on Google as “HVAC contractor”.
Based in Mundelein, 4 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 292 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake in the Hills, 10 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,374 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrington, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 506 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Bluff, 11 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 1,064 Google reviews, listed on Google as “HVAC contractor”.
Based in Libertyville, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 2,018 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Zurich
Ranked #17 because of its Google rating and trade focus: 4.8★ from 246 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntley, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “HVAC contractor”.
Based in Hoffman Estates, 9 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 530 Google reviews, listed on Google as “HVAC contractor”.
Based in Palatine, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 473 Google reviews, listed on Google as “HVAC contractor”.
Based in Mundelein, 6 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 234 Google reviews, listed on Google as “HVAC contractor”.
Based in Prospect Heights, 12 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 1,120 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Libertyville, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 428 Google reviews, listed on Google as “HVAC contractor”.
Based in Crystal Lake, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 1,043 Google reviews, listed on Google as “HVAC contractor”.
Based in Round Lake, 12 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 2,290 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 1,181 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 & J General | 5.0★ (2) | 12 mi |
| American Weathermakers Inc | 4.8★ (872) | 13 mi |
| Andrej's Construction | 5.0★ (2) | 8 mi |
| Anthonys Heating & Air | 3.0★ (2) | 8 mi |
| Barrington Heating and Air | 4.7★ (169) | 4 mi |
| Bill's Heating and Cooling Service | 5.0★ (2) | 8 mi |
| Conservative Heating & Air Conditioning | 3.0★ (2) | 13 mi |
| EHMS-Hayward Mechanical | In Lake Zurich | |
| HeatForce Furnace Repair HVAC | 5.0★ (2) | 11 mi |
| Hoffman Commercial Heating and Cooling | 5.0★ (2) | 11 mi |
| Indoor Weather | 5.0★ (2) | 11 mi |
| Kwik Serv Plumbing, Heating & Cooling | 4.6★ (697) | 7 mi |
| Magic HVAC Inc | 5.0★ (2) | 8 mi |
| Peter's heating and cooling open 24/7 | 5.0★ (1) | In Lake Zurich |
| Thermal Mechanical Inc. | 3.0★ (2) | 10 mi |
| THERMATRONIC INC. | 5.0★ (2) | 10 mi |
| TM HVAC contractor | 5.0★ (2) | 1 mi |
| Vita HVAC Services | 5.0★ (2) | 5 mi |
| WeatherWise Heating & AC repair | 4.8★ (744) | 11 mi |
| Wolf Mechanical Industries | 1.0★ (1) | In Lake Zurich |
National price ranges in USD, not adjusted for Lake Zurich. 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 1,181 Lake Zurich 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 Lake Zurich 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 |