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Fairfield County's Premier HVAC Contractor - Since 1976

24 Hour Emergency Service


Here's What our Clients Say

I was so impressed with your company’s fast service and reasonable pricing that I will be recommending your services to friends

- Anne Marie R.

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Fairfield CT Heating and Air Conditioning Contractor

Welcome to Celco Heating and Air Conditioning! We’ve been providing quality service to Fairfield, CT heating and air conditioning customers for over 35 years. We take pride in designing and developing unique HVAC solutions to meet any lifestyle and budget. Our NATE–certified technicians offer a wide range of services including oil–to–gas conversion, boilers, furnaces, radiant heating, air conditioning, geothermal, indoor air quality, tank and tankless water heaters, generators, and commercial HVAC services. From new installation and maintenance to repair and replacement, Celco Heating and AC is the one–stop–shop for the comfort of your home or business. We are dedicated to making sure that you are 100% happy with all of our services. We provide all of our pricing up–front so that there aren’t any surprises for you. We offer 24/7 emergency repair services and our lead technicians have many combined years of professional experience. We are fully–licensed and boast an A+ rating with the Better Business Bureau. Call us today for Fairfield, CT heating repair, air conditioning installation, and water heater installation or to find out more about our other services.

Fairfield CT Heating Repair, Installation and Maintenance

No matter what kind of heating system you have, call the Fairfield, CT heating repair, installation and maintenance experts at Celco Heating and AC. We have experience working on all types of heating systems including boilers, radiant heating systems, furnaces, heat pumps, geothermal, ductless mini split heating systems and more. Our technicians are highly skilled and can help you find the perfect system that matches your home’s unique needs and your budget. We also offer thermostat services and zone control systems.

Fairfield CT Air Conditioning Repair, Installation and Maintenance

Staying cool during the summer heat is a huge priority for every homeowner. Here at Celco Heating and AC we are committed to providing you with services that meet and exceed your expectations. If your AC system isn’t cooling your home or if you need to have a new system installed, call the Fairfield, CT air conditioning repair and installation experts at Celco Heating and AC. We will make sure that your new system is a good fit for your home and your budget.

Fairfield CT Indoor Air Quality

Have you ever wondered what is in the air that you breathe at home? If not, you might be surprised that indoor air can actually be up to 10 times more contaminated than outdoor air. Celco Heating and AC offers air filter installation as well as Fairfield, CT duct repair, replacement and sealing. If you or anyone in your family suffers from allergies, getting a new air filter or dehumidifier could help increase the comfort in your home. Call the Fairfield, CT indoor air quality professionals at Celco Heating and AC to learn more.

Fairfield CT Water Heater Installation, Repair and Maintenance

Your water heater is one of the most–used appliances in your home. Every time you do a load of laundry, wash your dishes or take a shower your water heater works hard to deliver comfortable hot water. If you need Fairfield, CT water heater repair, installation, or maintenance, call Celco Heating and AC. Our specialists can install, repair, and maintain both tank and tankless water heaters.

Fairfield CT Generator Installation, Repair and Maintenance

If you’re interested in learning more about whole–home generators, call the professionals at Celco Heating and AC. We provide total Fairfield, CT generator installation, repair, and maintenance. We also offer service on automatic standby generators.

Fairfield CT Commercial HVAC Installation, Repair and Maintenance

As a business owner, you know how important it is to keep your clients happy and your employees comfortable. Call the Fairfield, CT commercial heating and AC repair, installation and maintenance experts at Celco Heating and AC. We understand how important your business is to you which is why we hard to make sure that our services are done well and promptly.

The Fairfield, CT heating and air conditioning experts at Celco Heating and AC offer quality heating and air conditioning repair, installation, water heaters, generators, and other HVAC services throughout Fairfield and Stamford, CT and the surrounding areas.

What’s New at Celco

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Upgrading Your Thermostat: Simple and Effective

March 20, 2017

Today, we want to recommend a very simple HVAC upgrade that can prove seriously beneficial.