Fairfield, CT · Fairfield County

HVAC, Heating & AC Repair in Fairfield, CT

Comprehensive HVAC service for Fairfield homeowners, from Southport and Stratfield to Greenfield Hill.

Same-day & emergency service
Local, NATE-certified techs
Upfront, flat-rate pricing
Serving Fairfield since 2006

Free Estimate in Fairfield

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

What we do in Fairfield

Complete HVAC services for Fairfield homeowners

From a January no-heat emergency to humid-summer cooling issues, we keep Fairfield homes comfortable all year with the same honest pricing and fast response we're known for.

Heating, Furnace & Boiler Repair

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

$109 diagnostic (waived with repair)

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Heating, Boiler & Heat Pump Installation

High-efficiency furnaces, boilers, cold-climate heat pumps, and system conversions.

Free in-home estimate

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AC Repair

Same-day central AC and ductless repair for humid summer comfort.

$109 diagnostic (waived with repair)

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AC Installation & Replacement

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

Free in-home estimate

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Indoor Air Quality

Cleaner, healthier air with filtration, purification, humidity control, and duct improvements.

Free air quality assessment

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Heating & AC Maintenance

Seasonal tune-ups and maintenance plans for long heating and cooling life.

$149 tune-up / plans from $19.99/mo

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Local coverage

Proudly serving every Fairfield neighborhood

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

Greenfield Hill Southport Stratfield

Zip codes served: 06824, 06825

24/7 Emergency Service

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

Mon–Fri 7:00 AM – 8:00 PM

Saturday 8:00 AM – 6:00 PM

Sunday Emergency Service Only

(203) 445-9276

Real reviews

What your Fairfield neighbors say

“Our mid-century home never had central air, so we expected a messy project. They mapped out the ductwork carefully, kept the installation tidy, and now the whole house cools evenly without ruining the look of the home.”

C Chris A. Southport, Fairfield · AC Installation

Good to know

HVAC in Fairfield — FAQs

Do you offer same-day HVAC repair in Fairfield?

Yes. We provide same-day heating and cooling repair throughout Fairfield 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 get a technician to you fast.

What HVAC services do you provide in Fairfield?

We offer the full range of HVAC services in Fairfield: furnace, boiler, and heat pump repair and replacement, AC repair and installation, maintenance tune-ups and plans, indoor air quality solutions, and 24/7 emergency service.

Which Fairfield neighborhoods do you serve?

We serve all of Fairfield, including Greenfield Hill, Southport, Stratfield, plus the surrounding zip codes 06824, 06825. If you're nearby and don't see your neighborhood, just call — we likely cover you.

Are you licensed and insured to work in Fairfield?

Absolutely. Trumbull HVAC is licensed (CT S-1 S1-0391574) and insured in the State of Connecticut, and our technicians are NATE-certified and background-checked for your peace of mind.

We also serve nearby cities

Trumbull Bridgeport Stratford Shelton Monroe

Ready for fast HVAC service in Fairfield?

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

(203) 445-9276 Get a Free Estimate

Licensed & Insured Upfront Pricing 24/7 Emergency Service