Top Picks · Norwalk
Best HVAC Companies in Norwalk, CT
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of June 2026, RatingsNearMe ranks 13 hvac companies in Norwalk, CT by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Gault Energy & Home Solutions Gault Stone & Landscape Supplies with a 4.9-star rating from 1,370 Google reviews and an RNM Score of 87/100. Also in the top tier: Hellas Air Temp Inc and Britt-Air LLC. The average rating across all listed hvac companies in Norwalk is 4.8 stars from 183 reviews per business on average.
HVAC service in Norwalk: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 13, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Best Overall
Brothers Fix It
Brothers Fix It is top-ranked for its strong reputation and consistent high ratings across multiple review platforms.
Most Reviewed
Gault Energy & Home Solutions Gault Stone & Landscape Supplies
A high review count indicates broad customer experience and reliability, helping you gauge service consistency.
When choosing an HVAC provider in Norwalk, compare recent reviews and ask about warranties and emergency service availability. Always verify licensing and insurance before hiring.
Local Market Snapshot
13
Businesses listed
4.8★
Avg rating
183
Avg reviews
Jun 13, 2026
Last updated
Top Rated HVAC Companies
Rated 4.9 stars from over 1,300 Google reviews, this Norwalk HVAC company is highly trusted.
11 Ferry Ln W, Westport, CT 06880, USATrusted by hundreds with a 4.8-star rating from 570 Google reviews.
52 Connecticut Ave, Norwalk, CT 06850, USATrusted by hundreds of local customers, this Norwalk HVAC company holds a stellar 4.9-star rating.
75 Old Post Rd, Southport, CT 06890, USAHVAC Companies Rankings in Norwalk, CT
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Gault Energy & Home Solutions Gault Stone & Landscape Supplies11 Ferry Ln W, Westport, CT 06880, USA | 4.9★ | 1,370 |
| #2 | Hellas Air Temp Inc52 Connecticut Ave, Norwalk, CT 06850, USA | 4.8★ | 570 |
| #3 | Britt-Air LLC75 Old Post Rd, Southport, CT 06890, USA | 4.9★ | 108 |
| #4 | Climate Care, LLC318 Strawberry Hill Ave, Norwalk, CT 06851, USA | 4.5★ | 172 |
| #5 | Dominick's Heating and Cooling, LLC10 Iris Ct, Norwalk, CT 06854, USA | 5.0★ | 27 |
| #6 | JLP Heating & Cooling304 Main Ave #229, Norwalk, CT 06851, USA | 5.0★ | 24 |
| #7 | T&H Mechanical Systems5 Cove Ave Unit C, Norwalk, CT 06855, USA | 4.4★ | 18 |
| #8 | MCK Heating and cooling llc24 Merwin St, Norwalk, CT 06850, USA | 4.8★ | 12 |
| #9 | Varsity Zone HVAC of Norwalk16 Commerce St #3, Norwalk, CT 06850, USA | 5.0★ | 12 |
| #10 | American Heating & AC118 County St, Norwalk, CT 06851, USA | 5.0★ | 6 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Norwalk
Trusted by hundreds of local customers with a strong 4.5-star rating.
318 Strawberry Hill Ave, Norwalk, CT 06851, USA
Exceptional 5.0-star rating from 27 reviews for HVAC service in Norwalk.
10 Iris Ct, Norwalk, CT 06854, USA
Norwalk's top-rated HVAC provider with a perfect 5.0-star rating from 24 reviews.
304 Main Ave #229, Norwalk, CT 06851, USA
Known for solid 4.4-star service from dozens of local Google reviews.
5 Cove Ave Unit C, Norwalk, CT 06855, USA
Rated 4.8 stars from 12 Google reviews for reliable HVAC service in Norwalk.
24 Merwin St, Norwalk, CT 06850, USA
Exceptional 5.0-star rating from 12 Google reviews for Norwalk HVAC service.
16 Commerce St #3, Norwalk, CT 06850, USA
Rated 5.0 stars from six Google reviews for reliable HVAC service in Norwalk.
118 County St, Norwalk, CT 06851, USA
Trusted by locals with a strong 4.7-star rating across 30 Google reviews.
101 Newtown Ave, Norwalk, CT 06851, USA
5.0 stars from 9 Google reviews, reflecting exceptional local service.
25 Van Zant St Ste 1a-1, Norwalk, CT 06855, USA
Exceptional 5.0-star rating from 22 reviews in Norwalk, CT.
22b High St, Norwalk, CT 06851, USA
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HVAC Companies in Norwalk, CT — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Gault Energy & Home Solutions Gault Stone & Landscape Supplies | 87/100 | 4.9 ★ | 1,370 |
| 2 | Hellas Air Temp Inc | 85/100 | 4.8 ★ | 570 |
| 3 | Britt-Air LLC | 82/100 | 4.9 ★ | 108 |
| 4 | Climate Care, LLC | 78/100 | 4.5 ★ | 172 |
| 5 | Dominick's Heating and Cooling, LLC | 76/100 | 5.0 ★ | 27 |
| 6 | JLP Heating & Cooling | 76/100 | 5.0 ★ | 24 |
| 7 | T&H Mechanical Systems | 64/100 | 4.4 ★ | 18 |
| 8 | MCK Heating and cooling llc | 69/100 | 4.8 ★ | 12 |
| 9 | Varsity Zone HVAC of Norwalk | 72/100 | 5.0 ★ | 12 |
| 10 | American Heating & AC | 69/100 | 5.0 ★ | 6 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — HVAC Companies in Norwalk
How do I find the best hvac companies in Norwalk?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Norwalk on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Norwalk 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 Norwalk, 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 Norwalk?
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: June 13, 2026.
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