765 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Frankfort: TR Miller Heating, Cooling, Plumbing and Electrical, CR Score 64/100; 4.9★ from 2,423 Google reviews; open 24/7.
Best for emergencies (open 24/7): King Heating, Cooling & Plumbing, posts 24/7 hours; ranked #2 of 765.
Most-reviewed: Four Seasons Heating, Air Conditioning, Plumbing, & Electric, 27,709 Google reviews at 4.7★, the most of 765 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
765 Frankfort HVAC contractors are ranked here by CR Score, from ten published factors. 330 are open 24/7, 601 open Saturdays and 471 open Sundays, based on posted hours. The median Google rating is 4.9★ across 765 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | TR Miller Heating, Cooling, Plumbing and Electrical | 64 | 4.9★ (2,423) | Tinley Park, 5 mi away | 24/7 | Overall |
| 2 | King Heating, Cooling & Plumbing | 64 | 4.8★ (1,060) | Frankfort | 24/7 | Emergencies |
| 3 | Air Source 1 Heating & Air Conditioning | 63 | 5.0★ (664) | Mokena, 3 mi away | 24/7 | — |
| 4 | Climate Control Systems | 63 | 4.9★ (430) | Frankfort | 24/7 | — |
| 5 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.8★ (3,722) | Crestwood, 11 mi away | 24/7 | — |
| 6 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 62 | 4.7★ (27,709) | Chicago, 19 mi away | 24/7 | Most reviews |
| 7 | King Heating, Cooling & Plumbing | 62 | 4.7★ (3,996) | Oak Forest, 9 mi away | 24/7 | — |
| 8 | Magtek Mechanical Heating & Cooling | 62 | 4.9★ (539) | New Lenox, 4 mi away | 24/7 | — |
| 9 | Comfortmate Bremen Service | 62 | 4.9★ (428) | Mokena, 4 mi away | 24/7 | — |
| 10 | Allegiance Heating & Cooling | 62 | 4.9★ (440) | Mokena, 4 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 Frankfort
Based in Tinley Park, 5 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,423 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,060 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 3 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 664 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Frankfort
Ranked #4 because of its Google rating and trade focus: 4.9★ from 430 Google reviews, listed on Google as “HVAC contractor”.
Based in Crestwood, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 3,722 Google reviews, listed on Google as “HVAC contractor”.
Based in Chicago, 19 mi away
Ranked #6 because of its Google rating and review volume: 4.7★ from 27,709 Google reviews, the most in Frankfort.
Based in Oak Forest, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 3,996 Google reviews, listed on Google as “HVAC contractor”.
Based in New Lenox, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 4 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 428 Google reviews, listed on Google as “Furnace repair service”.
Based in Mokena, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 3 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 3 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 282 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Frankfort
Ranked #13 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 22 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 10,641 Google reviews, listed on Google as “HVAC contractor”.
Based in New Lenox, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort
Ranked #16 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “HVAC contractor”.
Based in Plainfield, 9 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 408 Google reviews, listed on Google as “HVAC contractor”.
Based in Steger, 12 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 1,449 Google reviews, listed on Google as “Furnace repair service”.
Based in Bridgeview, 15 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 4,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Homewood, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 2,200 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 3 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 816 Google reviews, listed on Google as “HVAC contractor”.
Based in Frankfort
Ranked #22 because of its Google rating and trade focus: 4.8★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based in Mokena, 4 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 296 Google reviews, listed on Google as “HVAC contractor”.
Based in Alsip, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 842 Google reviews, listed on Google as “Heating contractor”.
Based in Tinley Park, 5 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 201 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 765 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 |
|---|---|---|
| ABC Plumbing, Sewer, Heating, Cooling & Electric | 4.8★ (1,107) | 23 mi |
| Appliance Repair By TMK | 3.5★ (2) | 5 mi |
| Artesian Plumbing, Heating & Cooling, Inc. | 3.0★ (2) | 3 mi |
| Artisan HVAC | 3.0★ (1) | In Frankfort |
| Best Comfort Heating and Cooling | 4.8★ (290) | 17 mi |
| Building Automation Solutions | In Frankfort | |
| CCS - Comfort Control Services, Inc. | 5.0★ (1) | In Frankfort |
| DB Services | 5.0★ (2) | 3 mi |
| HAS Services, LLC | In Frankfort | |
| Jaden & Sons Plumbing | 4.8★ (142) | In Frankfort |
| Jorvin Home Heating and Cooling | 5.0★ (1) | In Frankfort |
| Knights HVAC | 5.0★ (2) | 5 mi |
| Lake Effect Heating and Cooling | 5.0★ (2) | In Frankfort |
| Lenox Heating & Air | 4.7★ (43) | 5 mi |
| Lockwood Furnace Company | 4.8★ (274) | 15 mi |
| Northwoods Inc | In Frankfort | |
| Porterhouse HVAC | In Frankfort | |
| R & W Clark Construction | 5.0★ (3) | In Frankfort |
| Sendra Service Corporation | 4.5★ (2) | 4 mi |
| Summit Ridge Inspection Group | In Frankfort |
National price ranges in USD, not adjusted for Frankfort. 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 765 Frankfort 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 Frankfort 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 |