426 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kennett Square: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, CR Score 65/100; 4.8★ from 9,075 Google reviews; open 24/7.
Best for emergencies (open 24/7): Mattioni Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 426.
Most-reviewed: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, 10,656 Google reviews at 4.7★, the most of 426 ranked; ranked #28.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
426 Kennett Square HVAC contractors are ranked here by CR Score, from ten published factors. 175 are open 24/7, 267 open Saturdays and 221 open Sundays, based on posted hours. The median Google rating is 4.9★ across 426 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical | 65 | 4.8★ (9,075) | Wilmington, 9 mi away | 24/7 | Overall |
| 2 | Mattioni Plumbing, Heating & Cooling | 64 | 5.0★ (477) | Kennett Square | 24/7 | Emergencies |
| 3 | Done Right Today | 64 | 5.0★ (2,228) | Wilmington, 11 mi away | 24/7 | — |
| 4 | R&D Heating and Cooling | 64 | 4.8★ (681) | Kennett Square | 24/7 | — |
| 5 | One Hour Heating & Air Conditioning® of Wilmington De | 64 | 4.9★ (3,009) | Wilmington, 11 mi away | 24/7 | — |
| 6 | Christian Heating, Cooling, Plumbing & Electrical | 64 | 4.9★ (3,146) | West Chester, 12 mi away | 24/7 | — |
| 7 | Chadds Ford Climate Control | 63 | 4.8★ (480) | Kennett Square | 24/7 | — |
| 8 | Signature HVAC | 63 | 4.9★ (3,053) | West Chester, 13 mi away | 24/7 | — |
| 9 | Aire Serv of Newark DE | 63 | 4.9★ (2,972) | Newark, 13 mi away | 24/7 | — |
| 10 | Sobieski Inc. | 63 | 4.7★ (5,666) | Newark, 14 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Kennett Square
Based in Wilmington, 9 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 9,075 Google reviews, listed on Google as “HVAC contractor”.
Based in Kennett Square
Ranked #2 because of its Google rating and trade focus: 5.0★ from 477 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 11 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 2,228 Google reviews, listed on Google as “HVAC contractor”.
Based in Kennett Square
Ranked #4 because of its Google rating and trade focus: 4.8★ from 681 Google reviews, listed on Google as “HVAC contractor”.
Based in Wilmington, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 3,009 Google reviews, listed on Google as “Heating contractor”.
Based in West Chester, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 3,146 Google reviews, listed on Google as “HVAC contractor”.
Based in Kennett Square
Ranked #7 because of its Google rating and trade focus: 4.8★ from 480 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chester, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 3,053 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 2,972 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 5,666 Google reviews, listed on Google as “HVAC contractor”.
Based in Downingtown, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,108 Google reviews, listed on Google as “Heating contractor”.
Based in Media, 18 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 3,594 Google reviews, listed on Google as “HVAC contractor”.
Based in New Castle, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 979 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chester, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 776 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,510 Google reviews, listed on Google as “Air conditioning repair service”.
Based in New Castle, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 2,115 Google reviews, listed on Google as “HVAC contractor”.
Based in Chester, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,741 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 16 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 2,030 Google reviews, listed on Google as “HVAC contractor”.
Based in New Castle, 13 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 1,753 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chester, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 676 Google reviews, listed on Google as “HVAC contractor”.
Based in West Chester, 10 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 983 Google reviews, listed on Google as “HVAC contractor”.
Based in New Castle, 13 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 1,529 Google reviews, listed on Google as “HVAC contractor”.
Based in New Castle, 12 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 642 Google reviews, listed on Google as “HVAC contractor”.
Based in Ardmore, 18 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,287 Google reviews, listed on Google as “HVAC contractor”.
Based in Chester Springs, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 528 Google reviews, listed on Google as “HVAC contractor”.
#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 426 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 |
|---|---|---|
| ACS Services | 5.0★ (2) | 11 mi |
| Air Masters HVAC Inc | 5.0★ (2) | 13 mi |
| Chadds Ford Complete Services | 5.0★ (2) | In Kennett Square |
| Chester County HVAC | 4.5★ (2) | 10 mi |
| D & T Heating & Cooling | 5.0★ (2) | 12 mi |
| Eichholz Services Inc. | 5.0★ (2) | 15 mi |
| G C K Plumbing and Heating | 5.0★ (2) | 11 mi |
| Glen Heating & Air Conditioning Kennett | In Kennett Square | |
| Hentkowski, Inc. | 4.7★ (131) | 9 mi |
| Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 4.5★ (299) | 11 mi |
| JB heating and air | 3.0★ (2) | 12 mi |
| Kokoszka & Sons | 5.0★ (2) | 13 mi |
| Lenape Air Ltd | 1.0★ (1) | In Kennett Square |
| One Hour Heating & Air Conditioning | 5.0★ (2) | 11 mi |
| Peak Performance Heating & Air Conditioning | 5.0★ (2) | 10 mi |
| Radiant Designs | 3.0★ (2) | 14 mi |
| RYCOR HVAC | In Kennett Square | |
| Sinton Air Conditioning & Heating Inc. | 4.3★ (44) | In Kennett Square |
| Summers & Zim's Inc | In Kennett Square | |
| Watson Plumbing & Heating Inc. | 5.0★ (2) | In Kennett Square |
National price ranges in USD, not adjusted for Kennett Square. 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 Pennsylvania, 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 426 Kennett Square 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 Kennett Square 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 |