388 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hockessin: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, CR Score 94/100; 4.8★ from 9,075 Google reviews; open 24/7.
Best for emergencies (open 24/7): Done Right Today, posts 24/7 hours; ranked #2 of 388.
Most-reviewed: Sobieski Inc., 5,666 Google reviews at 4.7★, the most of 388 ranked after Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
388 Hockessin HVAC contractors are ranked here by CR Score, from 8 published factors. 157 are open 24/7, 240 open Saturdays and 197 open Sundays, based on posted hours. The median Google rating is 4.9★ across 388 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical | 94 | 4.8★ (9,075) | Wilmington, 6 mi away | 24/7 | Overall |
| 2 | Done Right Today | 93 | 5.0★ (2,228) | Wilmington, 8 mi away | 24/7 | Emergencies |
| 3 | One Hour Heating & Air Conditioning® of Wilmington De | 93 | 4.9★ (3,009) | Wilmington, 8 mi away | 24/7 | — |
| 4 | Aire Serv of Newark DE | 92 | 4.9★ (2,972) | Newark, 10 mi away | 24/7 | — |
| 5 | Mattioni Plumbing, Heating & Cooling | 92 | 5.0★ (477) | Kennett Square, 4 mi away | 24/7 | — |
| 6 | LIAM Services | 92 | 5.0★ (979) | New Castle, 9 mi away | 24/7 | — |
| 7 | Sobieski Inc. | 91 | 4.7★ (5,666) | Newark, 10 mi away | 24/7 | Most reviews |
| 8 | Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Newark DE | 91 | 4.9★ (2,030) | Newark, 12 mi away | 24/7 | — |
| 9 | Boulden Brothers | 91 | 4.8★ (2,510) | Newark, 10 mi away | 24/7 | — |
| 10 | Christian Heating, Cooling, Plumbing & Electrical | 91 | 4.9★ (3,146) | West Chester, 15 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 Hockessin
Based in Wilmington, 6 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 9,075 Google reviews, the most Google reviews on this list (9,075).
Based in Wilmington, 8 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 2,228 Google reviews, open 24/7.
Based in Wilmington, 8 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 3,009 Google reviews, open 24/7.
Based in Newark, 10 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 2,972 Google reviews, open 24/7.
Based in Kennett Square, 4 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 477 Google reviews, open 24/7.
Based in New Castle, 9 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 979 Google reviews, open 24/7.
Based in Newark, 10 mi away
Ranked #7 because of its Google rating and availability: 4.7★ from 5,666 Google reviews, open 24/7.
Based in Newark, 12 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 2,030 Google reviews, open 24/7.
Based in Newark, 10 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 2,510 Google reviews, open 24/7.
Based in West Chester, 15 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 3,146 Google reviews, open 24/7.
Based in New Castle, 9 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 2,115 Google reviews, open 24/7.
Based in New Castle, 9 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 1,753 Google reviews, open 24/7.
Based in West Chester, 16 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 3,053 Google reviews, open 24/7.
Based in Kennett Square, 5 mi away
Ranked #14 because of its Google rating and availability: 4.8★ from 681 Google reviews, open 24/7.
Based in New Castle, 10 mi away
Ranked #15 because of its Google rating and availability: 4.8★ from 1,529 Google reviews, open 24/7.
Based in New Castle, 8 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 642 Google reviews, open 24/7.
Based in Media, 19 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 3,594 Google reviews, open 24/7.
Based in Chester, 15 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 1,741 Google reviews, open 24/7.
Based in Kennett Square, 5 mi away
Ranked #19 because of its Google rating and availability: 4.8★ from 480 Google reviews, open 24/7.
Based in West Chester, 13 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 776 Google reviews, open 24/7.
Based in Downingtown, 15 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 1,108 Google reviews, open 24/7.
Based in Claymont, 7 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 165 Google reviews, open 24/7.
Based in Hockessin
Ranked #23 because of its Google rating and availability: 4.9★ from 78 Google reviews, open 24/7.
Based in Bear, 12 mi away
Ranked #24 because of its Google rating and availability: 4.8★ from 1,090 Google reviews, open 24/7.
Based in West Chester, 14 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 676 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 388 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) | 14 mi |
| Air Masters HVAC Inc | 5.0★ (2) | 10 mi |
| Bella Casa HVAC-R & Plumbing Inc. | 5.0★ (25) | In Hockessin |
| Burton Construction Co and Chimney chase cover Other Services: | 4.7★ (12) | In Hockessin |
| Chadds Ford Complete Services | 5.0★ (2) | 5 mi |
| Chester County HVAC | 4.5★ (2) | 14 mi |
| D & T Heating & Cooling | 5.0★ (2) | 8 mi |
| Eichholz Services Inc. | 5.0★ (2) | 14 mi |
| F&H Mechanical | 5.0★ (1) | In Hockessin |
| Flo Mechanical Llc | 5.0★ (1) | In Hockessin |
| G C K Plumbing and Heating | 5.0★ (2) | 15 mi |
| Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 4.5★ (299) | 7 mi |
| JB heating and air | 3.0★ (2) | 9 mi |
| Jim E. Malin's Plumbing & Heating, Inc. | 5.0★ (1) | In Hockessin |
| Joel R. Amin Plumbing | 4.7★ (16) | In Hockessin |
| Kokoszka & Sons | 5.0★ (2) | 9 mi |
| One Hour Heating & Air Conditioning | 5.0★ (2) | 15 mi |
| Peak Performance Heating & Air Conditioning | 5.0★ (2) | 7 mi |
| Sila Heating, Air Conditioning, Plumbing & Electrical | 4.8★ (582) | 19 mi |
| Watson Plumbing & Heating Inc. | 5.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for Hockessin. 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 Delaware, Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners licenses Heating, ventilation, air conditioning and refrigeration work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 388 Hockessin 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 Hockessin 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 |