Alliance Heating and Air Conditioning has been providing superior residential, commercial and indoor comfort solutions to Connecticut and New York for over 35 years. Regardless of your home or business HVAC service needs, call us for a consultation to experience why Alliance has been the contractor of choice for Connecticut and New York heating and cooling service since 1979.

Website Update

Services

Commercial Report

Your business or non-profit organization serves your most important asset: People. Providing an inviting and comfortable atmosphere to your staff, customers and visitors is our utmost concern.

While the immediate benefits of happy people are apparent, the benefits of running an efficient and comfortable working environment translate into profit increases from reduced energy costs, enhanced employee productivity, and consistent quality customer experiences.

Residential Report

We believe you should feel comfortable in your own home at all times. We help homeowners who wish to provide clean, filtered air at the optimal temperatures to their family, friends, and pets. Whether you have young children, family members with allergies, or elderly guests with sensitive needs, providing a welcoming environment can change the lives most important to you.

Specialty Report

We appreciate fine living and the joys of building your dream home and business. We also believe in protecting your hard-earned assets to extend their lives and keep them safe and secure for decades to come. Alliance develops customized heating, air conditioning, humidity and environmental control solutions to protect your collections, pets, home additions, and other investments.

Careers Report

We at Alliance take pride in our talented staff. Our leadership works hard to provide an honest working environment with potential for growth that surpasses our staff's expectations of how HVAC Jobs in CT should be! Alliance Heating and Air Conditioning has been designing, installing and servicing commercial, institutional and exclusive residential HVAC systems for nearly 40 years.

Reviews (11)

Write a Review

Gabriele Builders Llc

Nov 24, 2021

Report

Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Amazing customer service! Thank you to Jerry for a great service appointment! He was very courteous and did an amazing job!! Highly recommend!
Services: HVAC maintenance, Installation

Joshua Colby

Aug 02, 2021

Report

Critical: Responsiveness
Website claims same day service but when you call they tell you they are no longer taking new clients. Do not call this business unless you are already under contract with them they do not want new business and are very rude about it

Jane Parker

Mar 23, 2021

Report

Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Matt Juliano, the service tech, was professional, on time, informative, efficient, and a pleasure to work with. Thank you!
Services: AC maintenance, Heating maintenance

Estate Treasures Of Greenwich

Mar 20, 2021

Report

Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
A.J. and Rich were on time, courteous, professional and thoroughly completed the AC maintenance for our store including checking the condensers on our roof. Well done!
Service: AC maintenance

Dave Krumlauf

Mar 18, 2021

Report

Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Great company! The Tech Very friendly and kept me informed of his progress. Highly recommend!
Service: Ductless heating and AC services

Ashlyn Lower

Feb 23, 2021

Report

Everyone at Alliance Heating & Air Conditioning, Inc. is friendly, professional, and fantastic to work with!

Bryan Pataky

Feb 23, 2021

Report

Called on a FRI for a consultation for a very old forced air furnace replacement which began leaking oil and emitting odor in residence. Gave complete information of the situation and that I was needing to know my choices, costs and time frame for completion. Received a call 30 minutes later from Bret, a polite man who wanted clarification. I repeated to him the situation. To an annoyance of mine because I understood the cause of the leak (the 30 year old furnace), he stated I should contact the fuel delivery company about the leak, and that they didn't replace oil furnaces and only to natural

Candy Goldstein

Feb 15, 2021

Report

I have been a customer of Alliance for almost 20 years. They installed the HVAC systems in my present and former residences and have maintained them through the years. The quality of their products, and their level of customer service are both excellent. I highly recommend them.
Services: HVAC maintenance, Installation

Charles Berg

Feb 05, 2021

Report

Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
I have been using Alliance for years, and they are the most professional, high-quality company I have ever used.
Services: AC repair, HVAC maintenance, Heating maintenance, AC installation, Heating system repair, Installation

Murmur

Feb 02, 2021

Report

We had Victor come to our home to fix the heating. From the moment he called us to the completion of the work he could not have been nicer. Work was done in a timely manner and done well. I would recommend Alliance to anyone. A+++++
Service: Heating system repair

J. F.

Jul 08, 2019

Report

Alliance is first rate. They’re professional and punctual. We’d been through two HVAC companies which screwed up repeatedly. Alliance has been much better and documents all their work in detail. Highly recommend.