Norwalk, CT · Fairfield County

Heating, Boiler & AC Service in Norwalk, CT

Trusted furnace, boiler, AC, and ductless service for Norwalk homeowners, including coastal humidity concerns and older in-town homes.

Call (203) 762-5310 Get a Free Estimate

Same-day & emergency service
Heating-first local expertise
Upfront, flat-rate pricing
Serving Norwalk since 2011

Free Estimate in Norwalk

Tell us what you need and we'll call you right back — usually within the hour during business hours.

What we do in Norwalk

Complete HVAC services for Norwalk homeowners

From a January no-heat emergency to a summer humidity problem or a full system upgrade, we keep Norwalk homes comfortable with honest advice and clean, professional work.

Heating, Furnace & Boiler Repair

Fast no-heat repair for furnaces, boilers, heat pumps, and ductless systems.

$129 diagnostic (waived with repair)

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Heating, Boiler & Heat Pump Installation

High-efficiency furnaces, boilers, and cold-climate heat pumps sized for Connecticut winters.

Free in-home estimate

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AC Repair

Same-day AC and ductless cooling repair for every major brand.

$129 diagnostic (waived with repair)

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AC Installation & Replacement

Central AC, ductless, and high-velocity cooling systems for older Connecticut homes.

Free in-home estimate

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Indoor Air Quality

Whole-home filtration, humidity control, and healthier air for older homes.

Free air quality assessment

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HVAC Maintenance

Seasonal tune-ups and maintenance plans for long heating seasons and humid summers.

$169 tune-up / plans from $19.99/mo

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Local coverage

Proudly serving every Norwalk neighborhood

We work throughout Norwalk and Fairfield County, including these communities:

Rowayton East Norwalk Cranbury West Norwalk

Zip codes served: 06850, 06851, 06854

24/7 Emergency Service

No heat or no cooling in Norwalk? We answer day or night.

Mon–Fri 7:00 AM – 8:00 PM

Saturday 8:00 AM – 4:00 PM

Sunday Emergency Service Only

(203) 762-5310

Real reviews

What your Norwalk neighbors say

“We lost heat as a nor'easter was rolling in and they treated it like the emergency it was. The technician found a failed inducer motor, had the part on the truck, and got the furnace running before the house had a chance to really drop. Clear communication, fair pricing, no drama.”

D Daniel R. Rowayton, Norwalk · Emergency Heating Repair

Good to know

HVAC in Norwalk — FAQs

Do you offer same-day HVAC service in Norwalk?

Yes. We provide same-day heating and cooling service throughout Norwalk and the surrounding Fairfield County area. We reserve daily slots for urgent no-heat and no-cooling calls, so call us early and we'll move quickly.

What HVAC services do you provide in Norwalk?

We provide furnace, boiler, heat pump, and ductless repair and installation, AC service and replacement, maintenance tune-ups and plans, indoor air quality upgrades, and 24/7 emergency service in Norwalk.

Which Norwalk neighborhoods do you serve?

We serve all of Norwalk, including Rowayton, East Norwalk, Cranbury, West Norwalk, plus the surrounding zip codes 06850, 06851, 06854. If you're nearby and don't see your neighborhood, just call — we likely cover you.

Are you licensed and insured to work in Norwalk?

Absolutely. Wilton HVAC is fully licensed (CT S-1 S1-0398642) and insured in the State of Connecticut, and our technicians are professionally trained and background-checked for your peace of mind.

We also serve nearby towns

Wilton Ridgefield Redding Weston New Canaan

Need HVAC service in Norwalk?

Call now or request your free estimate. Same-day appointments available across Wilton and nearby Fairfield County towns.

(203) 762-5310 Get a Free Estimate

Licensed & Insured Upfront Pricing 24/7 Emergency Service