1,175 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Elgin: Kustom Heating and Cooling, CR Score 64/100; 5.0★ from 1,021 Google reviews; open 24/7.
Best for emergencies (open 24/7): Lifeline Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 1,175.
Most-reviewed: ABC Plumbing, Sewer, Heating, Cooling & Electric, 22,524 Google reviews at 4.7★, the most of 1,175 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,175 South Elgin HVAC contractors are ranked here by CR Score, from ten published factors. 546 are open 24/7, 885 open Saturdays and 739 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,175 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kustom Heating and Cooling | 64 | 5.0★ (1,021) | Elgin, 3 mi away | 24/7 | Overall |
| 2 | Lifeline Plumbing, Heating & Cooling | 64 | 4.9★ (3,222) | Elgin, 7 mi away | 24/7 | Emergencies |
| 3 | McNally's Heating and Cooling | 64 | 4.9★ (2,593) | Batavia, 6 mi away | 24/7 | — |
| 4 | One Hour Heating & Air Conditioning | 64 | 4.9★ (1,873) | Saint Charles, 6 mi away | 24/7 | — |
| 5 | Blue Frost Heating & Cooling | 63 | 4.9★ (1,482) | West Chicago, 6 mi away | 24/7 | — |
| 6 | Precision Today Plumbing Heating Cooling Electrical | 63 | 4.8★ (7,723) | Carol Stream, 12 mi away | 24/7 | — |
| 7 | Leith Heating and Cooling Inc. | 63 | 5.0★ (784) | Elgin, 6 mi away | 24/7 | — |
| 8 | Climate Control Services LLC | 63 | 5.0★ (776) | Elgin, 6 mi away | 24/7 | — |
| 9 | Chris Heating & Cooling | 63 | 5.0★ (942) | West Chicago, 9 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 because of its Google rating and trade focus: 5.0★ from 1,021 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 3,222 Google reviews, listed on Google as “HVAC contractor”.
Based in Batavia, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,593 Google reviews, listed on Google as “HVAC contractor”.
Based in Saint Charles, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,873 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chicago, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,482 Google reviews, listed on Google as “HVAC contractor”.
Based in Carol Stream, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 7,723 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 6 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 784 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 6 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 776 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chicago, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 942 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 Geneva, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,224 Google reviews, listed on Google as “HVAC contractor”.
Based in Gilberts, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 2,067 Google reviews, listed on Google as “HVAC contractor”.
Based in Hoffman Estates, 9 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 939 Google reviews, listed on Google as “HVAC contractor”.
Based in Arlington Heights, 19 mi away
Ranked #14 because of its Google rating and review volume: 4.7★ from 22,524 Google reviews, the most in South Elgin.
Based in South Elgin
Ranked #15 because of its Google rating and trade focus: 4.9★ from 214 Google reviews, listed on Google as “HVAC contractor”.
Based in Bartlett, 4 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 882 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntley, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 820 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 4 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 235 Google reviews, listed on Google as “HVAC contractor”.
Based in Elgin, 5 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 351 Google reviews, listed on Google as “HVAC contractor”.
Based in Itasca, 13 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 4,969 Google reviews, listed on Google as “HVAC contractor”.
Based in Hoffman Estates, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 530 Google reviews, listed on Google as “HVAC contractor”.
Based in Schaumburg, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 905 Google reviews, listed on Google as “HVAC contractor”.
Based in Saint Charles, 6 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 226 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 23 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 10,641 Google reviews, listed on Google as “HVAC contractor”.
Based in Rolling Meadows, 15 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 1,104 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 1,175 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 |
|---|---|---|
| Airomatic Heating & Air Conditioning | 5.0★ (2) | In South Elgin |
| Airpis Heating and Cooling | In South Elgin | |
| AM to PM Heating & Cooling | 5.0★ (2) | 3 mi |
| Bachi's Heating and Cooling | In South Elgin | |
| BillionAir HVAC Systems Services, Inc. | In South Elgin | |
| Charles McDuffee Co. Heating & Air Conditioning | 4.9★ (422) | 13 mi |
| Countryview heating and cooling | 5.0★ (2) | 3 mi |
| Elgin HVAC | In South Elgin | |
| Excelsior | 5.0★ (2) | 4 mi |
| FAIR AIR Services | 5.0★ (1) | In South Elgin |
| Four Seasons Heating, Air Conditioning, Plumbing, Electric | 4.7★ (2,787) | 19 mi |
| H Heating and cooling | In South Elgin | |
| Heating & Air Conditioning | 3.0★ (2) | 5 mi |
| Hoffman Commercial Heating and Cooling | 5.0★ (2) | 7 mi |
| HVAC Options Inc | 5.0★ (2) | 6 mi |
| INK Mechanical | 5.0★ (1) | In South Elgin |
| LE Heating And Cooling | 5.0★ (2) | 5 mi |
| Maganas Heating and Contracting | 5.0★ (2) | In South Elgin |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 13 mi |
| Riverside Heating&Cooling Inc. | 5.0★ (2) | 7 mi |
National price ranges in USD, not adjusted for South Elgin. 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 1,175 South Elgin 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 South Elgin 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 |