21 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank
10 of the 21 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Mendota: Triple Service Inc., open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Triple Service Inc. | 68 | 4.8★ (699) | Mendota | 24/7 |
| 2 | One Stop Heating & Cooling | 62 | 5.0★ (31) | Mendota | 24/7 |
| 3 | Correa Heating & Air Conditioning | 62 | 5.0★ (20) | Mendota | 24/7 |
| 4 | Town & Country Services | 59 | 4.7★ (153) | Princeton, 22 mi away | 24/7 |
| 5 | Lanphierd Heating and Cooling | 59 | 5.0★ (70) | Ottawa, 19 mi away | 24/7 |
| 6 | John's Service and Sales, Inc. | 59 | 4.5★ (82) | Peru, 18 mi away | 24/7 |
| 7 | A&G Heating and Air Conditioning, LLC " Gas fireplace services" | 58 | 5.0★ (16) | Peru, 12 mi away | 24/7 |
| 8 | Hometown Heating & Cooling Co | 57 | 4.8★ (34) | Ottawa, 20 mi away | 24/7 |
| 9 | Starved Rock Heating & Cooling | 55 | 4.5★ (15) | Ottawa, 21 mi away | 24/7 |
| 10 | Advanced Heating & Air Of Illinois, Inc. | 54 | 5.0★ (10) | Ottawa, 24 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
Open 24/7 · 4.8 from 699 Google reviews
Open 24/7 · 5.0 from 31 Google reviews
#3Correa Heating & Air Conditioning
Open 24/7 · 5.0 from 20 Google reviews
Open 24/7 · 4.7 from 153 Google reviews
#5Lanphierd Heating and Cooling
Open 24/7 · 5.0 from 70 Google reviews
#6John's Service and Sales, Inc.
Open 24/7 · 4.5 from 82 Google reviews
#7A&G Heating and Air Conditioning, LLC " Gas fireplace services"
Open 24/7 · 5.0 from 16 Google reviews
#8Hometown Heating & Cooling Co
Open 24/7 · 4.8 from 34 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights.
Ranked #1 because of its Google rating and review volume: 4.8★ from 699 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mendota
Ranked #2 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mendota
Ranked #3 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Princeton, 22 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 153 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 19 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peru, 18 mi away
Ranked #6 because of its Google rating and trade focus: 4.5★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peru, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 34 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandwich, 23 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Spring Valley, 16 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 155 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 20 mi away
Ranked #13 because of its Google rating and trade focus: 3.3★ from 4 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Peru, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandwich, 25 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 19 mi away
Ranked #16 because of its Google rating and trade focus: 3.2★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ottawa, 20 mi away
Ranked #17 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rochelle, 24 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Princeton, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plano, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 20 mi away
Ranked #21 because of its Google rating and trade focus: 3.7★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |