25 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mount Vernon: Ohana Heating and Air, CR Score 94/100; 4.9★ from 309 Google reviews.
Best for emergencies (open 24/7): Affordable Heating Cooling & Sheet Metal, posts 24/7 hours; ranked #2 of 25.
Most-reviewed: Affordable Heating Cooling & Sheet Metal, 109 Google reviews at 4.5★, the most of 25 ranked after Ohana Heating and Air; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Mount Vernon HVAC contractors are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 7 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.7★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ohana Heating and Air | 94 | 4.9★ (309) | Mount Vernon | — | Overall |
| 2 | Affordable Heating Cooling & Sheet Metal | 90 | 4.5★ (109) | Mount Vernon | 24/7 | Emergencies, Most reviews |
| 3 | Unrivaled Heating and Cooling | 86 | 5.0★ (61) | Marion, 24 mi away | 24/7 | — |
| 4 | McGuire's Heating and Cooling LLC | 85 | 5.0★ (26) | Centralia, 18 mi away | 24/7 | — |
| 5 | TRI-COUNTY HVAC | 82 | 4.7★ (12) | Centralia, 19 mi away | 24/7 | — |
| 6 | Swanson Heating and Air | 81 | 4.7★ (15) | Benton, 20 mi away | 24/7 | — |
| 7 | Booher's Tin Shop | 79 | 4.6★ (30) | Salem, 21 mi away | — | — |
| 8 | Draper Heating and Cooling | 79 | 5.0★ (3) | Mount Vernon | — | — |
| 9 | Hive HVAC LLC. | 78 | 5.0★ (10) | Centralia, 21 mi away | Sat · Sun · Evenings | — |
| 10 | Holloway Heating & Air Conditioning | 78 | 4.6★ (33) | Mount Vernon | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 309 Google reviews, the most Google reviews on this list (309).
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Mount Vernon
Ranked #2 because of its Google rating and availability: 4.5★ from 109 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Marion, 24 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 61 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centralia, 18 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centralia, 19 mi away
Ranked #5 because of its Google rating and availability: 4.7★ from 12 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Benton, 20 mi away
Ranked #6 because of its Google rating and availability: 4.7★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Salem, 21 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Mount Vernon
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Centralia, 21 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon
Ranked #10 because of its Google rating and trade focus: 4.6★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centralia, 20 mi away
Ranked #11 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon
Ranked #12 because of its Google rating and trade focus: 4.3★ from 10 Google reviews, listed on Google as “Mechanical contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Centralia, 19 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 18 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Mount Vernon
Ranked #14 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon
Ranked #15 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon
Ranked #16 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centralia, 18 mi away
Ranked #17 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Centralia, 18 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Centralia, 20 mi away
Ranked #19 because of its Google rating and trade focus: 3.6★ from 15 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Centralia, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Heating contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Benton, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Benton, 24 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centralia, 18 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Du Quoin, 24 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Benton, 21 mi away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
12 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 |
|---|---|---|
| Appleton's HVAC LLC | 18 mi | |
| Black Construction Services | 3.9★ (11) | In Mount Vernon |
| Bucks Heating and Cooling | 5.0★ (1) | In Mount Vernon |
| CAS HVAC/R | 1.0★ (1) | In Mount Vernon |
| Double Comfort Heating & Air | 1.0★ (2) | In Mount Vernon |
| Family Heating, Cooling & Electrical | 1.0★ (1) | 18 mi |
| Jedd's HVAC & Handy Repairs | 16 mi | |
| Mc Donnough Heating & Air | 4.5★ (2) | 20 mi |
| Owens & Sons Contracting | 5.0★ (2) | 21 mi |
| Pass Heating & Air Conditioning | 3.0★ (2) | 22 mi |
| Sapp's Heating & Air | 5.0★ (1) | 22 mi |
| Wilfam HVAC | 5.0★ (1) | 21 mi |
National price ranges in USD, not adjusted for Mount Vernon. 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 25 Mount Vernon HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Mount Vernon data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |