Rated 4.8 Based on 100+ Google Reviews

Custom Heating & Cooling Solutions For Your Home Or Business

We strive to provide climate control / comfort in every home in Connecticut, Westchester, Dutchess & Putnam counties.

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HVAC technician wearing a hard hat installing an air conditioning unit on the ceiling.

  • Who We Are

About Alliance Heating & Air Conditioning

Alliance Heating and Air Conditioning has been providing superior residential, commercial and indoor comfort solutions to Connecticut and New York for over 35 years. Our journey began in 1979 as a two-man service and installation business and has evolved into one of the premier mechanical contractors servicing Fairfield, Westchester, Putnam, Duchess & Suffolk Counties.

  • Serving Home Throughout Connecticut & The NYC Suburbs
  • Licensed technicians trained to fix all makes and models
  • Serving Your Neighbors’ Air Conditioning Needs Since 1979
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  • Reviews

What Your Neighbors Are Saying About Us

Matt was hardworking, diligent, respectful and solved the problem! I highly recommend he and Alliance.

Elizabeth Tremain

Rheese was great. System working fine. Thanks.

Thomas Kreitler

They came to our house for an after-hours service call and the technician did a great job.

Michael McClung

Great service from Nick. Explained everything. Was contracted through my home warranty company Choice Home Warranty. The warranty company is terrible. I would not recommend CHW. But, Alliance heating & air conditioning provided excellent service. I would highly recommend Alliance.

Jennifer Christensen

This was a wonderful experience from start to finish. Our furnace stopped working and it was freezing. The repair technician came out quickly, tracked down the necessary parts to fix the problem and had our gear up and running again in no time. We highly recommend you use Alliance for all of your heat and air conditioning needs.

Tracey Fox

We had several complex issues with our thermostat involving heat and humidity and Matt was fantastic and resolved them all.

Christine Sachs

Awards, Sponsorships & Affiliations

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  • How Can We Help You?

Industry-Leading Heating & Cooling Services

Close-up of mechanical engine part with glowing orange bolts and openings

Heating

At Alliance Heating & Air, we service, install, and maintain all major types of heating systems found in Connecticut and New York homes.

Alliance-big-air-conditioner-a-man-is-renovating-an-unfini.

Air Conditioning

Keep cool and enjoy higher efficiency and lower bills with air conditioning services from Alliance Heating and Air Conditioning.

Woman kneeling down to remove the water collection tank from a white dehumidifier unit.

Indoor Air Quality

Your home’s indoor air quality affects your comfort and health, so we provide only top-quality products and services.

HVAC Experts   .   Repair   .   Maintenance   .   Support   .HVAC Experts   .   Repair   .   Maintenance   .   Support   .

  • We’ve Got You

Why Choose Alliance Heating & Air Conditioning?

Locally owned, community-rooted service–real people who live and work in Bridgeport

Fully licensed, insured, and trained technicians who get the job done right the first time

Transparent pricing and honest recommendations—we only suggest what you actually need

Fast, responsive support with true 24/7 emergency service when your comfort can’t wait

Energy-smart systems: heat pumps, smart thermostats, efficient solutions tailored to your home

Extended equipment warranties and long-term maintenance plans that protect your investment

Respectful, in-home service: from shoe covers to clean workspaces, we treat your home like ours

  • Reviews

What Your Neighbors Are Saying About Us

Matt was hardworking, diligent, respectful and solved the problem! I highly recommend he and Alliance.

Elizabeth Tremain

Rheese was great. System working fine. Thanks.

Thomas Kreitler

They came to our house for an after-hours service call and the technician did a great job.

Michael McClung

Great service from Nick. Explained everything. Was contracted through my home warranty company Choice Home Warranty. The warranty company is terrible. I would not recommend CHW. But, Alliance heating & air conditioning provided excellent service. I would highly recommend Alliance.

Jennifer Christensen

This was a wonderful experience from start to finish. Our furnace stopped working and it was freezing. The repair technician came out quickly, tracked down the necessary parts to fix the problem and had our gear up and running again in no time. We highly recommend you use Alliance for all of your heat and air conditioning needs.

Tracey Fox

We had several complex issues with our thermostat involving heat and humidity and Matt was fantastic and resolved them all.

Christine Sachs

Awards, Sponsorships & Affiliations

toprated logo
soap logo
elite logo
50reviews logo
toprated logo
soap logo
elite logo
50reviews logo

Our Service Area

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