17 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Jacksonville: Aire Serv of Jacksonville, CR Score 96/100; 4.9★ from 339 Google reviews; open 24/7.
Best for emergencies (open 24/7): Leach-Remmers Heating & Air, posts 24/7 hours; ranked #2 of 17.
Most-reviewed: Leach-Remmers Heating & Air, 55 Google reviews at 4.7★, the most of 17 ranked after Aire Serv of Jacksonville; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Jacksonville HVAC contractors are ranked here by CR Score, from 8 published factors. 8 are open 24/7, 11 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.6★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aire Serv of Jacksonville | 96 | 4.9★ (339) | Jacksonville | 24/7 | Overall |
| 2 | Leach-Remmers Heating & Air | 90 | 4.7★ (55) | Jacksonville | 24/7 | Emergencies, Most reviews |
| 3 | Brennan Heating & Air Conditioning, Inc. | 88 | 4.5★ (22) | Jacksonville | 24/7 | — |
| 4 | Eades Heating & Air Conditioning, Inc | 84 | 4.9★ (37) | Springfield, 24 mi away | 24/7 | — |
| 5 | Adams Heating & Cooling, LLC | 84 | 4.5★ (32) | Springfield, 17 mi away | 24/7 | — |
| 6 | Complete Comfort Heating and Cooling | 83 | 4.4★ (9) | Jacksonville | 24/7 | — |
| 7 | KPS HVAC | 81 | 5.0★ (15) | Jacksonville | Sat · Evenings | — |
| 8 | EMCO Tech Heating & Cooling | 81 | 4.8★ (21) | Philadelphia, 16 mi away | 24/7 | — |
| 9 | Doyle Plumbing & Heating Co | 81 | 3.9★ (13) | Jacksonville | Sat · Sun | — |
| 10 | Isaacs Refrigeration & AC | 79 | 4.7★ (13) | Springfield, 23 mi away | 24/7 | — |
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 339 Google reviews, the most Google reviews on this list (339).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #2 because of its Google rating and availability: 4.7★ from 55 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #3 because of its Google rating and availability: 4.5★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 24 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 37 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 17 mi away
Ranked #5 because of its Google rating and availability: 4.5★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #6 because of its Google rating and availability: 4.4★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Philadelphia, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #9 because of its Google rating and trade focus: 3.9★ from 13 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 23 mi away
Ranked #10 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 19 mi away
Ranked #11 because of its Google rating and availability: 4.6★ from 28 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #12 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #13 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Jacksonville
Ranked #14 because of its Google rating and trade focus: 2.6★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Beardstown, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Beardstown, 22 mi away
Ranked #16 because of its Google rating and trade focus: 4.2★ from 37 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beardstown, 22 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 22 Google reviews, 22 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
5 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 |
|---|---|---|
| Davis Heating & Air Conditioning | In Jacksonville | |
| H P Metz Plumbing & Heating | In Jacksonville | |
| Hometown Heating, Cooling And Remodeling | 22 mi | |
| HRI Plumbing | 4.5★ (289) | In Jacksonville |
| Taylor's Heating & Air Conditioning | In Jacksonville |
National price ranges in USD, not adjusted for Jacksonville. 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 17 Jacksonville 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 Jacksonville 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 |