64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 529 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best HVAC Contractors in Wilton, CT (2026)
590 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Wilton: ENCON Heating and Air Conditioning, CR Score 64/100; 4.9★ from 529 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Aire Serv of Southwest Connecticut, posts 24/7 hours; ranked #3 of 590.
- 7
Most-reviewed: Bruni & Campisi, Inc., 3,366 Google reviews at 4.7★, the most of 590 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
590 Wilton HVAC contractors are ranked here by CR Score, from ten published factors. 179 are open 24/7, 320 open Saturdays and 231 open Sundays, based on posted hours. The median Google rating is 4.8★ across 590 rated businesses.
Top 10 HVAC contractors in Wilton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ENCON Heating and Air Conditioning | 64 | 4.9★ (529) | Bridgeport, 7 mi away | 24/7 | Overall |
| 2 | Astacio Heating, Cooling, Plumbing & Electrical | 64 | 4.8★ (1,998) | Norwalk, 7 mi away | Sat · Sun · Evenings | — |
| 3 | Aire Serv of Southwest Connecticut | 63 | 4.8★ (565) | Ansonia, 7 mi away | 24/7 | Emergencies |
| 4 | Servco Oil & Propane | 63 | 5.0★ (133) | Darien, 3 mi away | 24/7 | — |
| 5 | Air Solutions, Inc. | 62 | 4.8★ (718) | Stamford, 12 mi away | 24/7 | — |
| 6 | Top Tier Energy Service | 62 | 4.8★ (212) | Ridgefield, 6 mi away | 24/7 | — |
| 7 | Bruni & Campisi, Inc. | 62 | 4.7★ (3,366) | Greenburgh, 21 mi away | 24/7 | Most reviews |
| 8 | EXTRAVE Heating & Cooling | 62 | 5.0★ (209) | Stamford, 11 mi away | 24/7 | — |
| 9 | Sila Heating, Air Conditioning, Plumbing & Electrical | 62 | 4.8★ (1,821) | White Plains, 20 mi away | 24/7 | — |
| 10 | Service Stars | 62 | 4.9★ (1,350) | Danbury, 15 mi away | Sat · Sun · Evenings | — |
The 590 best HVAC contractors in Wilton, ranked
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.
Based in Norwalk, 7 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,998 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,998 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 70 Fort Point St, Norwalk, CT 06855
Based in Ansonia, 7 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 565 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 565 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Darien, 3 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 133 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Stamford, 12 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 718 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 718 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 430 Fairfield Ave, Stamford, CT 06902
Based in Ridgefield, 6 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 212 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 212 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 199 Ethan Allen Hwy, Ridgefield, CT 06877
Based in Greenburgh, 21 mi away
62/100CR ScoreRanked #7 because of its Google rating and review volume: 4.7★ from 3,366 Google reviews, the most in Wilton.
- 4.7★ from 3,366 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 100 Grasslands Rd, Elmsford, NY 10523
Based in Stamford, 11 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 209 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 209 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 38 Hundley Ct, Stamford, CT 06902
Based in White Plains, 20 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 1,821 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,821 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 55 Lafayette Ave, White Plains, NY 10603
#10 Service Stars
Based in Danbury, 15 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,350 Google reviews
- Hours
- Mon–Sun 7:30 AM–10 PM
- Address
- 43C Beaver Brook Rd, Danbury, CT 06810
Based in Stamford, 10 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 211 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 Parker Ave, Stamford, CT 06906
Based in Bridgeport, 15 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 861 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 861 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 467 Bishop Ave, Bridgeport, CT 06610
#13 Edgerton, Inc.
Based in Bethel, 14 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 555 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 786 Main St, Monroe, CT 06468
Based in Stamford, 8 mi away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 179 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37 Highview Ave, Stamford, CT 06907
Based in Westport, 6 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 1,206 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,206 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 11 Ferry Ln W, Westport, CT 06880
Based in Danbury, 15 mi away
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 380 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 380 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37A Padanaram Rd, Danbury, CT 06811
Based in Norwalk, 5 mi away
61/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 171 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 318 Strawberry Hill Ave, Norwalk, CT 06851
Based in Greenwich, 17 mi away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 297 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 297 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 777 West Putnam Avenue Suite 300, Greenwich, CT 06830
Based in Milford, 19 mi away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 1,151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 922 Bridgeport Ave, Milford, CT 06460
Based in Danbury, 15 mi away
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 2,252 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,252 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 92 Sand Pit Rd, Danbury, CT 06810
Based in Greenburgh, 20 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 549 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 Sunset Pl, Hawthorne, NY 10532
Based in Trumbull, 16 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 590 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 55 Merritt Blvd, Trumbull, CT 06611
Based in Stamford, 10 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 101 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 96 Culloden Rd, Stamford, CT 06902
Based in Bridgeport, 12 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 86 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 54 Glendale Ave, Bridgeport, CT 06606
#25 Robison
Based in Port Chester, 18 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 1,257 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 1,257 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- One Gateway Plaza 4th floor, Port Chester, NY 10573
HVAC contractors ranked #26 to #50
#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 590 ranked HVAC contractors here; the rest are on their profiles.
Also serving Wilton
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.E. Olsen Co., Inc. Service America | 4.8★ (170) | 23 mi |
| Accurate Heating & Cooling | 3.0★ (2) | 7 mi |
| Active Air LLC | 5.0★ (44) | 11 mi |
| American Heating & AC | 5.0★ (6) | 6 mi |
| Anthony Valenti heating&cooling | 5.0★ (2) | 4 mi |
| C&C Service | 4.4★ (45) | 12 mi |
| Cannondale Generators Inc. | 4.4★ (192) | In Wilton |
| Charney & Sons Elec Contractors | In Wilton | |
| County Cooling | 5.0★ (71) | 22 mi |
| Father & Son Plumbing & Heating | 3.0★ (2) | 7 mi |
| Hilltop Plumbing & Heating | 3.0★ (2) | 6 mi |
| JF Heating and cooling | 5.0★ (2) | 9 mi |
| JP's Plumbing and Heating, LLC | 4.5★ (2) | 6 mi |
| Master Mechanical LLC | 4.5★ (2) | 8 mi |
| Pdq Plumbing & Heating | 5.0★ (2) | 10 mi |
| Procaccini Plumbing Heating | 5.0★ (2) | 8 mi |
| Romeo Morelli & Sons Plumbing-Heating-Well Pumps | 5.0★ (439) | 19 mi |
| Tyler Heating, Air Conditioning, Refrigeration LLC | 4.7★ (570) | 15 mi |
| Warco Plumbing & Heating Inc | 5.0★ (2) | 8 mi |
| WBF Air Conditioning & Heating | 3.0★ (2) | 10 mi |
How much do HVAC contractors cost in Wilton?
National price ranges in USD, not adjusted for Wilton. 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 |
How to check an HVAC contractor's license in Connecticut
In Connecticut, Connecticut Department of Consumer Protection licenses Heating, piping, cooling and sheet metal licenses.
- Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
When to hire an HVAC contractor in Connecticut
In Connecticut, 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.
How we ranked Wilton HVAC contractors
We scored 590 Wilton 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 Wilton 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 |
HVAC contractors in Wilton: frequently asked questions
Who is the best HVAC contractor in Wilton?
By CR Score, the highest-ranked HVAC contractor in Wilton, CT is ENCON Heating and Air Conditioning with a CR Score of 64/100. It has 4.9★ from 529 Google reviews. It is open 24/7. Astacio Heating, Cooling, Plumbing & Electrical (#2) and Aire Serv of Southwest Connecticut (#3) follow. We ranked 590 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Wilton?
ContractorsRanked ranks 590 HVAC contractors serving Wilton, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Wilton are open 24/7?
179 ranked HVAC contractors in Wilton post 24/7 hours. The highest-ranked are ENCON Heating and Air Conditioning (#1), Aire Serv of Southwest Connecticut (#3) and Servco Oil & Propane (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Wilton work on weekends?
320 of 590 ranked HVAC contractors post Saturday hours and 231 post Sunday hours. The highest-ranked open Saturdays are ENCON Heating and Air Conditioning (#1), Astacio Heating, Cooling, Plumbing & Electrical (#2) and Aire Serv of Southwest Connecticut (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an HVAC contractor's license in Connecticut?
In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Heating, piping, cooling and sheet metal licenses. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.
How much does ac replacement cost in Wilton?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Wilton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Wilton HVAC contractors have?
The median Google rating among 590 rated HVAC contractors in Wilton is 4.8★, with a median of 18 reviews. Bruni & Campisi, Inc. has the most, 3,366 reviews, and ranks #7. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Wilton?
In Connecticut, 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.
Update log for Wilton
- October 2026: CR Scores recalculated for 590 hvac contractors serving Wilton.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Wilton pages
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Other trades in Wilton
- Roofers in Wilton1939 ranked
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- Electricians in Wilton360 ranked
- General contractors in Wilton749 ranked
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- Kitchen remodelers in Wilton510 ranked
- Bathroom remodelers in Wilton459 ranked
- Flooring contractors in Wilton325 ranked
- Tile installers in Wilton74 ranked
- Drywall contractors in Wilton16 ranked
- Concrete contractors in Wilton114 ranked
- Fence contractors in Wilton156 ranked
- Deck builders in Wilton193 ranked
- Siding contractors in Wilton881 ranked
- Window installers in Wilton711 ranked
- Gutter installers in Wilton210 ranked
- Insulation contractors in Wilton78 ranked
- Solar installers in Wilton181 ranked
- Garage door repair companies in Wilton153 ranked
- Foundation repair companies in Wilton321 ranked
- Tree services in Wilton392 ranked
- Masonry contractors in Wilton425 ranked
- Water damage restoration companies in Wilton973 ranked
- Home builders in Wilton666 ranked
- Demolition contractors in Wilton64 ranked
- All contractors in Wilton