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Highest Rated · Waterbury
Top-Rated HVAC Companies in Waterbury, CT
Every business ranked by real customer ratings. The pros at the top earned it — through consistent service, not advertising spend.
As of May 2026, RatingsNearMe ranks 20 hvac companies in Waterbury, CT by verified customer ratings and review volume. The highest-rated is Evergreen Heating & Cooling, LLC. with a 5.0-star rating from 20 verified reviews. Also in the top tier: Nero Air Conditioning & Heating Inc. and Accuray Mechanical, LLC. The average rating across all listed hvac companies in Waterbury is 4.7 stars from 194 reviews per business on average.
HVAC service in Waterbury: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
20
Businesses listed
4.7★
Avg rating
194
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Evergreen Heating & Cooling, LLC.
81 Overlook Dr, Hamden, CT 06514, USA
Nero Air Conditioning & Heating Inc.
334 State St, North Haven, CT 06473, USA
Accuray Mechanical, LLC
401 Sackett Point Rd, North Haven, CT 06473, USA
HVAC Companies Rankings in Waterbury, CT
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Evergreen Heating & Cooling, LLC.81 Overlook Dr, Hamden, CT 06514, USA | 5.0★ | 20 |
| #2 | Nero Air Conditioning & Heating Inc.334 State St, North Haven, CT 06473, USA | 4.7★ | 269 |
| #3 | Accuray Mechanical, LLC401 Sackett Point Rd, North Haven, CT 06473, USA | 5.0★ | 143 |
| #4 | Heating & Air Conditioning New Haven426 Whalley Ave, New Haven, CT 06511, USA | 4.9★ | 37 |
| #5 | Mechanical Heating and Air Conditioning, Inc.300 Whalley Ave Suite 201, New Haven, CT 06511, USA | 3.5★ | 21 |
| #6 | Heating & Cooling17 Dixwell Ave, New Haven, CT 06511, USA | 4.9★ | 9 |
| #7 | CTS Heating & Cooling207 Burwell Rd, West Haven, CT 06516, USA | 5.0★ | 79 |
| #8 | Edgerton, Inc.786 Main St, Monroe, CT 06468, USA | 4.8★ | 573 |
| #9 | New Haven Heating & Cooling Services688 Ella T Grasso Blvd, New Haven, CT 06519, USA | 5.0★ | 7 |
| #10 | Home Comfort Heating & Cooling64 Thompson St A207, East Haven, CT 06513, USA | 4.7★ | 75 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in Waterbury
Heating & Air Conditioning New Haven
426 Whalley Ave, New Haven, CT 06511, USA
Mechanical Heating and Air Conditioning, Inc.
300 Whalley Ave Suite 201, New Haven, CT 06511, USA
Heating & Cooling
17 Dixwell Ave, New Haven, CT 06511, USA
CTS Heating & Cooling
207 Burwell Rd, West Haven, CT 06516, USA
Edgerton, Inc.
786 Main St, Monroe, CT 06468, USA
New Haven Heating & Cooling Services
688 Ella T Grasso Blvd, New Haven, CT 06519, USA
Home Comfort Heating & Cooling
64 Thompson St A207, East Haven, CT 06513, USA
Air Specialties Air Conditioning & Heating Inc
25 Spring St, West Haven, CT 06516, USA
Tracey Energy Services LLC
325 Howard Ave, New Haven, CT 06519, USA
CISCO HEATING AND COOLING PROS LLC
9 Whitney Ln, West Haven, CT 06516, USA
Heating & Cooling
160 Shield St, West Hartford, CT 06110, USA
Hi-TECH Mechanical Services LLC
143 Vanderbilt Ave, West Hartford, CT 06110, USA
Home Heating & Air Conditioning, LLC
8 Coyle Dr, West Haven, CT 06516, USA
Biozura Heating and Air
10 N Main St #377, West Hartford, CT 06107, USA
West Hartford HVAC: Heating & Air Conditioning
333 N Main St, West Hartford, CT 06117, USA
Viglione Heating & Cooling
259 Commerce St, East Haven, CT 06512, USA
Town Oil Company, Inc.
786 Silas Deane Hwy, Wethersfield, CT 06109, USA
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Frequently Asked Questions — HVAC Companies in Waterbury
How do I find the best hvac companies in Waterbury?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Waterbury on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Waterbury licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CT requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Waterbury, CT?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Waterbury?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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