Same Day · Norwalk
Same-Day HVAC Companies in Norwalk, CT
Can't wait a week? These hvac companies in Norwalk offer same-day or next-day appointments. Call now to check availability.
As of June 2026, RatingsNearMe ranks 13 hvac companies in Norwalk, CT by verified customer ratings and review volume. The highest-rated is Gault Energy & Home Solutions Gault Stone & Landscape Supplies with a 4.9-star rating from 1,370 verified reviews. 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 1, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
13
Businesses listed
4.8★
Avg rating
183
Avg reviews
Jun 1, 2026
Last updated
Top Rated HVAC Companies
Gault Energy & Home Solutions Gault Stone & Landscape Supplies
11 Ferry Ln W, Westport, CT 06880, USA
Hellas Air Temp Inc
52 Connecticut Ave, Norwalk, CT 06850, USA
Britt-Air LLC
75 Old Post Rd, Southport, CT 06890, USA
HVAC 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 | Varsity Zone HVAC of Norwalk16 Commerce St #3, Norwalk, CT 06850, USA | 5.0★ | 12 |
| #6 | Dominick's Heating and Cooling, LLC10 Iris Ct, Norwalk, CT 06854, USA | 5.0★ | 27 |
| #7 | The Heating & Cooling Company22b High St, Norwalk, CT 06851, USA | 5.0★ | 22 |
| #8 | MCK Heating and cooling llc24 Merwin St, Norwalk, CT 06850, USA | 4.8★ | 12 |
| #9 | JLP Heating & Cooling304 Main Ave #229, Norwalk, CT 06851, USA | 5.0★ | 24 |
| #10 | T&H Mechanical Systems5 Cove Ave Unit C, Norwalk, CT 06855, USA | 4.4★ | 18 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Norwalk
Climate Care, LLC
318 Strawberry Hill Ave, Norwalk, CT 06851, USA
Varsity Zone HVAC of Norwalk
16 Commerce St #3, Norwalk, CT 06850, USA
Dominick's Heating and Cooling, LLC
10 Iris Ct, Norwalk, CT 06854, USA
The Heating & Cooling Company
22b High St, Norwalk, CT 06851, USA
MCK Heating and cooling llc
24 Merwin St, Norwalk, CT 06850, USA
JLP Heating & Cooling
304 Main Ave #229, Norwalk, CT 06851, USA
T&H Mechanical Systems
5 Cove Ave Unit C, Norwalk, CT 06855, USA
American Heating & AC
118 County St, Norwalk, CT 06851, USA
Lighthouse Heating & Cooling
25 Van Zant St Ste 1a-1, Norwalk, CT 06855, USA
Brothers Fix It
101 Newtown Ave, Norwalk, CT 06851, USA
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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 1, 2026.
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