713 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oswego: TR Miller Heating, Cooling, Plumbing and Electrical, CR Score 94/100; 4.9★ from 10,641 Google reviews; open 24/7.
Best for emergencies (open 24/7): Andersen Plumbing, Heating and AC Repair, posts 24/7 hours; ranked #2 of 713.
Most-reviewed: Precision Today Plumbing Heating Cooling Electrical, 7,723 Google reviews at 4.8★, the most of 713 ranked after TR Miller Heating, Cooling, Plumbing and Electrical; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
713 Oswego HVAC contractors are ranked here by CR Score, from 8 published factors. 323 are open 24/7, 533 open Saturdays and 446 open Sundays, based on posted hours. The median Google rating is 4.9★ across 713 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | TR Miller Heating, Cooling, Plumbing and Electrical | 94 | 4.9★ (10,641) | Plainfield, 8 mi away | 24/7 | Overall |
| 2 | Andersen Plumbing, Heating and AC Repair | 93 | 4.9★ (1,637) | Aurora, 4 mi away | 24/7 | Emergencies |
| 3 | Summers Plumbing Heating & Cooling | 92 | 4.9★ (1,031) | Yorkville, 5 mi away | 24/7 | — |
| 4 | Andersen Plumbing, Heating and AC Repair | 92 | 5.0★ (434) | Montgomery, 3 mi away | 24/7 | — |
| 5 | Yorkville Heating & Air Conditioning | 91 | 5.0★ (612) | Montgomery, 7 mi away | 24/7 | — |
| 6 | Comfort Services Heating & Air Conditioning | 91 | 4.9★ (1,422) | Plainfield, 8 mi away | 24/7 | — |
| 7 | Perfect Home Services | 91 | 4.7★ (5,573) | Aurora, 9 mi away | 24/7 | — |
| 8 | Brian and Sons Heating and Air Conditioning | 91 | 4.8★ (424) | Oswego | 24/7 | — |
| 9 | Precision Air | 91 | 5.0★ (584) | Plainfield, 8 mi away | 24/7 | — |
| 10 | Energy Services Air Conditioning & Heating Co. & Electrical | 91 | 4.9★ (1,929) | Naperville, 12 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Oswego
Based in Plainfield, 8 mi away
Ranked #1 because of its Google rating and review volume: 4.9★ from 10,641 Google reviews, the most Google reviews on this list (10,641).
Based in Aurora, 4 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 1,637 Google reviews, open 24/7.
Based in Yorkville, 5 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 1,031 Google reviews, open 24/7.
Based in Montgomery, 3 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 434 Google reviews, open 24/7.
Based in Montgomery, 7 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 612 Google reviews, open 24/7.
Based in Plainfield, 8 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 1,422 Google reviews, open 24/7.
Based in Aurora, 9 mi away
Ranked #7 because of its Google rating and availability: 4.7★ from 5,573 Google reviews, open 24/7.
Based in Oswego
Ranked #8 because of its Google rating and availability: 4.8★ from 424 Google reviews, open 24/7.
Based in Plainfield, 8 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 584 Google reviews, open 24/7.
Based in Naperville, 12 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 1,929 Google reviews, open 24/7.
Based in Oswego
Ranked #11 because of its Google rating and trade focus: 5.0★ from 1,004 Google reviews, listed on Google as “HVAC contractor”.
Based in Aurora, 6 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 440 Google reviews, open 24/7.
Based in Aurora, 5 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 396 Google reviews, open 24/7.
Based in Batavia, 16 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 2,593 Google reviews, open 24/7.
Based in Aurora, 6 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 408 Google reviews, open 24/7.
Based in Oswego
Ranked #16 because of its Google rating and trade focus: 4.9★ from 1,204 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chicago, 15 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 942 Google reviews, open 24/7.
Based in Carol Stream, 20 mi away
Ranked #18 because of its Google rating and availability: 4.8★ from 7,723 Google reviews, open 24/7.
Based in Naperville, 7 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 602 Google reviews, open 24/7.
Based in Wheaton, 18 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 1,316 Google reviews, open 24/7.
Based in Saint Charles, 16 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 1,873 Google reviews, open 24/7.
Based in Yorkville, 4 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 118 Google reviews, open 24/7.
Based in North Aurora, 9 mi away
Ranked #23 because of its Google rating and availability: 4.9★ from 422 Google reviews, open 24/7.
Based in Naperville, 7 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 181 Google reviews, open 24/7.
Based in Minooka, 16 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 1,501 Google reviews, open 24/7.
#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 713 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 |
|---|---|---|
| A & Air Inc | 5.0★ (2) | 8 mi |
| ABC Plumbing, Sewer, Heating, Cooling & Electric | 4.8★ (1,107) | 20 mi |
| AiRod Heating And Cooling | 5.0★ (2) | 6 mi |
| All In 01 Services | 5.0★ (2) | 12 mi |
| Black Widow Heating & Cooling LLC | 5.0★ (91) | 3 mi |
| Crown Home Services | 5.0★ (2) | 11 mi |
| Eclipse Heating & Air, Inc. | 4.0★ (2) | 7 mi |
| Faith Mechanical, Inc. | 2.5★ (2) | 12 mi |
| H & N Plumbing & Heating | 5.0★ (2) | 7 mi |
| Jones Electric Heating and Cooling LLC | 5.0★ (2) | 10 mi |
| Maximum Heating & Air Conditioning | 4.6★ (164) | 5 mi |
| Mr. Greg's HVAC Chicago | 3.0★ (2) | 6 mi |
| Neighbors West Heating & cooling | 4.5★ (2) | 6 mi |
| OneStop Pro Plumbing, Heating, Cooling & Electric | 4.9★ (836) | 17 mi |
| Oswego heating | In Oswego | |
| Prism Mechanical | 5.0★ (2) | In Oswego |
| Service Plus Heating & Cooling | 5.0★ (2) | 5 mi |
| Standley Heating & Air | 5.0★ (1) | In Oswego |
| Tamarack Heating & Cooling Inc | 5.0★ (2) | 6 mi |
| Wind Crest Heating & Cooling | 5.0★ (2) | 13 mi |
National price ranges in USD, not adjusted for Oswego. 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 713 Oswego 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 Oswego 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 |