1,323 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Northfield: AA Service Co., CR Score 64/100; 4.9★ from 3,150 Google reviews; open 24/7.
Best for emergencies (open 24/7): ABC Plumbing, Sewer, Heating, Cooling & Electric, posts 24/7 hours; ranked #2 of 1,323.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 1,323 ranked; ranked #32.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,323 Northfield HVAC contractors are ranked here by CR Score, from ten published factors. 541 are open 24/7, 1,019 open Saturdays and 825 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,323 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AA Service Co. | 64 | 4.9★ (3,150) | Northbrook, 5 mi away | 24/7 | Overall |
| 2 | ABC Plumbing, Sewer, Heating, Cooling & Electric | 64 | 4.7★ (22,524) | Arlington Heights, 11 mi away | 24/7 | Emergencies |
| 3 | Shavitz Heating and Air Conditioning | 64 | 4.9★ (2,707) | Skokie, 6 mi away | 24/7 | — |
| 4 | Azrikam The Price Is Right Heating & Air Conditioning HVAC | 63 | 5.0★ (697) | Northbrook, 3 mi away | 24/7 | — |
| 5 | Deljo Heating, Cooling & Plumbing | 63 | 4.9★ (3,196) | Chicago, 8 mi away | 24/7 | — |
| 6 | American Vintage Home Heating, Cooling & Plumbing | 63 | 4.8★ (2,300) | Evanston, 5 mi away | 24/7 | — |
| 7 | Astera Heating, Cooling and Appliance repair | 63 | 4.9★ (1,120) | Prospect Heights, 6 mi away | 24/7 | — |
| 8 | SPG Plumbing Northbrook | 63 | 4.9★ (861) | Northbrook, 5 mi away | 24/7 | — |
| 9 | All Temp Heating and Air Conditioning | 63 | 4.9★ (2,253) | Chicago, 10 mi away | 24/7 | — |
| 10 | Besco Air Inc. | 62 | 4.9★ (1,342) | Chicago, 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 because of its Google rating and trade focus: 4.9★ from 3,150 Google reviews, listed on Google as “HVAC contractor”.
Based in Arlington Heights, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 22,524 Google reviews, listed on Google as “HVAC contractor”.
Based in Skokie, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,707 Google reviews, listed on Google as “HVAC contractor”.
Based in Northbrook, 3 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 697 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 3,196 Google reviews, listed on Google as “HVAC contractor”.
Based in Evanston, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,300 Google reviews, listed on Google as “HVAC contractor”.
Based in Prospect Heights, 6 mi away
Ranked #7 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 Northbrook, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 861 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 10 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 2,253 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,342 Google reviews, listed on Google as “HVAC contractor”.
Based in Skokie, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 848 Google reviews, listed on Google as “Heating contractor”.
Based in Glenview, 2 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 355 Google reviews, listed on Google as “HVAC contractor”.
Based in Northbrook, 3 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 387 Google reviews, listed on Google as “HVAC contractor”.
Based in Northbrook, 5 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 872 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 10 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,374 Google reviews, listed on Google as “HVAC contractor”.
Based in Franklin Park, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 2,121 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Des Plaines, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 1,364 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,055 Google reviews, listed on Google as “HVAC contractor”.
Based in Northbrook, 5 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 278 Google reviews, listed on Google as “HVAC contractor”.
Based in Highland Park, 6 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “HVAC contractor”.
Based in Rolling Meadows, 13 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 1,104 Google reviews, listed on Google as “HVAC contractor”.
Based in Fox Lake, 7 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 340 Google reviews, listed on Google as “HVAC contractor”.
Based in Buffalo Grove, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 2,787 Google reviews, listed on Google as “HVAC contractor”.
Based in Des Plaines, 7 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 286 Google reviews, listed on Google as “HVAC contractor”.
Based in Lake Bluff, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 1,064 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 1,323 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 |
|---|---|---|
| AllSeasons HVAC | 5.0★ (2) | 8 mi |
| American Pride Heating & Cooling Inc. | 1.5★ (2) | 5 mi |
| Bishop Plumbing, Heating and Cooling, Inc. | 4.5★ (768) | 7 mi |
| Capitol Energy | 5.0★ (2) | 2 mi |
| David Brothers Heating And Cooling Inc | 3.0★ (2) | 10 mi |
| Furnace & Heating (NEAR ME) | 5.0★ (2) | 5 mi |
| General Comfort Company | 5.0★ (2) | 6 mi |
| HeatForce Furnace Repair HVAC | 5.0★ (2) | 7 mi |
| Heating & Cooling | 5.0★ (2) | 7 mi |
| Indoor Weather | 5.0★ (2) | 7 mi |
| Lakeside Refrigeration | In Northfield | |
| Lucke Plumbing and Heating | 3.0★ (2) | 6 mi |
| Mint Home Maintenance | 5.0★ (1) | In Northfield |
| MIRACLE PLUMBING & SEWER SERVICES | 4.9★ (219) | 5 mi |
| PROPER SERVICES | 5.0★ (2) | 6 mi |
| Robinson Heating and Cooling Inc | 4.8★ (357) | 8 mi |
| Sebastian’s Heating and Cooling | 5.0★ (2) | 6 mi |
| Tedora Heating & Cooling Repairs | 4.5★ (2) | 4 mi |
| Tem Control HVAC | 5.0★ (2) | 4 mi |
| THERMATRONIC INC. | 5.0★ (2) | 8 mi |
National price ranges in USD, not adjusted for Northfield. 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 1,323 Northfield 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 Northfield 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 |