38 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rantoul: Lanz Plumbing, Heating & Cooling, Inc., CR Score 64/100; 4.9★ from 2,758 Google reviews; open 24/7.
Best for emergencies (open 24/7): Castle Home Comfort Heating, Cooling & Plumbing, posts 24/7 hours; ranked #2 of 38.
Most-reviewed: 217, Inc., 1,662 Google reviews at 4.9★, the most of 38 ranked after Lanz Plumbing, Heating & Cooling, Inc.; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
38 Rantoul HVAC contractors are ranked here by CR Score, from ten published factors. 20 are open 24/7, 25 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 38 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Lanz Plumbing, Heating & Cooling, Inc. | 64 | 4.9★ (2,758) | Champaign, 15 mi away | 24/7 | Overall |
| 2 | Castle Home Comfort Heating, Cooling & Plumbing | 63 | 4.9★ (1,186) | Champaign, 16 mi away | 24/7 | Emergencies |
| 3 | Edelman Heating, Cooling, Plumbing, Electric & Solar | 62 | 4.9★ (830) | Champaign, 16 mi away | 24/7 | — |
| 4 | Dogtown Heating, Air & Plumbing | 62 | 4.9★ (297) | Urbana, 13 mi away | 24/7 | — |
| 5 | Purcell Service | 61 | 4.6★ (44) | Rantoul | 24/7 | — |
| 6 | Mattex Heating, Cooling, Plumbing, Drain and Electrical | 60 | 4.9★ (212) | Mahomet, 15 mi away | 24/7 | — |
| 7 | Bash Heating & Air Conditioning Inc | 60 | 4.9★ (149) | Champaign, 14 mi away | 24/7 | — |
| 8 | Fred's Plumbing Heating Air Conditioning | 60 | 4.9★ (851) | Champaign, 10 mi away | 24/7 | — |
| 9 | Omni Home Comfort | 60 | 4.7★ (138) | Champaign, 12 mi away | 24/7 | — |
| 10 | We Really Care - Atlanta Air Duct Cleaning | 59 | 4.9★ (175) | Chamblee, 5 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,758 Google reviews, the most in Rantoul.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,186 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 830 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Urbana, 13 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 297 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rantoul
Ranked #5 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mahomet, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 212 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 14 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 149 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 10 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 851 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 12 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chamblee, 5 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 175 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rantoul
Ranked #11 because of its Google rating and trade focus: 4.9★ from 191 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 85 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 13 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 15 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 1,662 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 13 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 1,136 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Douglas, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 464 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Savoy, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Mahomet, 14 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 237 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mahomet, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Savoy, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Urbana, 17 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Champaign, 12 mi away
Ranked #25 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile. We publish the top 29 of 38 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Alpha Controls & Services LLC | 51 | 3.7★ (3) | 13 mi |
| 27 | G's General Repairs and Maintenance | 50 | 5.0★ (10) | 15 mi |
| 28 | Kobel Plumbing & Heating | 47 | 5.0★ (4) | 15 mi |
| 29 | Whalen's Plumbing & Heating | 47 | 4.2★ (5) | 15 mi |
National price ranges in USD, not adjusted for Rantoul. 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 38 Rantoul 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 Rantoul 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 |