Air Conditioning Companies in Connecticut

Comprehensive list of commercial and residential air conditioning companies in Connecticut offering installation, repair and maintenance services.

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HVAC Contractor specializing in high efficiency heating and air conditioning systems, indoor air quality products, installs, repairs and maintenance.


Southern Connecticut’s Best Residential & Commercial Heating and Air Conditioning Company Aire Serv of Southern Connecticut is a full service heating and air conditioning installation, repair and replacement specialist company. We focus on saving you money by reducing your energy bills by installing Energy Star Rated equipment properly sized for your home or business. We provide honest, reliable service


A & B Mechanical, LLC is a complete and fully licensed mechanical contracting company. We provide plumbing, heating, air-conditioning, ductwork and sprinkler installations as well as design built systems, ductwork fabrication and 24 hour service for our residential, commercial and industrial customers.



Delivering superb service for homeowners, small businesses and commercial clients. We supply dependable service, quality air conditioning & heating units throughout Fairfield County. As a certified Trane Comfort Specialist we meet the highest performance standards within the industry.


Our company has over three decades of collective knowledge in the HVAC, Plumbing, Pipefitting, Fireprotection and Mechanical Insulation trades and is Fully Licensed and Insured in the State of Connecticut. We are qualified in design/build and plan & specification in the industrial, commercial and domestic markets.


We supply 24hr emergency solution for all of your plumbing, heating & cooling requirements. Since 1974, we've been delivering New Haven and Fairfield County homeowners with all of their plumbing, heating and air conditioning requirements. Your home is the largest investment you'll ever make.


We have been family owned & operated since 1962 delivering automatic fuel oil delivery and we're proud of our reputation for quality service and installations throughout southern Fairfield County. Fully Staffed Office - we answer the phone! We aim to provide the highest service to our clients in a individual manner.


We are your trusted source for top-quality heating, air conditioning & refrigeration HVAC-R services. Proudly serving Connecticut for over fifteen years, we're a complete service HVAC firm committed to delivering honest repair and service at an honest price.

  • Great Service Company - Answered my call with a live person unlike 3 others. Offered service

We supply complete sales and installations. We supply the best quality installations to supply years of trouble free operation, while delivering economical operation. We have been serving Connecticut and Massachusetts for over three decades. Our goal is to supply our clients with the finest products and services that are unique to them.


We are a complete service HVAC contractor situated in Preston, Ct. We are fully licensed and bonded in Connecticut and Rhode Island. Our service area includes Eastern Ct and Southern Rhode Island. We service all makes and models of Heat Pumps, Gas heating and Cooling equipment as well as Mitsubishi Mr. Slim Ductless systems and Unico High Velocity systems.


Tucker Mechanical, a wholly owned subsidiary of EMCOR Group., performs new construction, renovations, energy enhancement as well as service, maintenance and operation. For more than 58 years, we have designed and delivered comprehensive HVAC, plumbing, process and fire protection solutions to businesses seeking to enhance their productivity and efficiency.


We’re Gold Coast Refrigeration Service, and we’re here to help with the heating and cooling systems in your home or office. Since 1991 we’ve been the premiere refrigeration and HVAC provider for clients throughout Fairfield and New Haven Counties.


For over one hundred years our company has been proudly serving our Connecticut neighbors and friends in New Haven County. We are industry leaders in fuel oil delivery, heating and central air conditioning services as well as a nice neighbor to the many clients that we service in our operating area. Our goal is to provide safe, dependable heating oil and supply superior service.


Gault supplies home heating oil, propane gas, heating and air conditioning installation and services, energy audits, and indoor air quality products to homes and businesses throughout Fairfield County, Connecticut. While our commitment to client service has stayed the same for five generations, our commitment to environmental preservation has grown into delivering Energy Solutions for a Greener Tomorrow.


We have been servicing the Middlesex county area since 1945 when converting coal boilers to oil was the latest technology. In keeping up with the times, air conditioning and sheet metal fabrication were added to our services within the 1970's.


For over 70 years our company has been committed to keeping the family of Wesson clients safe and comfortable year round. We do this by providing premium home heating products together as well as the highest efficiency heating and air conditioning equipment that is serviced by expertly skilled technicians and support team.


We are the premier home heating oil and heating and air conditioning firm serving Fairfield and lower New Haven Counties, Connecticut. For three generations our neighbors have known us for providing reliable products and services at fair prices.


We are a comprehensive mechanical service company providing Connecticut with heating, cooling, geothermal, sheet metal, and plumbing. We're available to both home owners and commercial industries statewide in Connecticut. Your home or building is a valuable investment. Take care of it and make it more comfortable and energy efficient.


Keep cool in the summer and warm in the winter with our premiere HVAC services. We specialize in heating and air conditioning service for both domestic and commericial systems. Our fast, courteous service and unparalleled expertise have made us the favorite heating & cooling firm serving all of CT.


We currently have proudly serviced Fairfield and surrounding counties since 1994 and look ahead to assisting you with your Heating and Air Conditioning requirements. We are glad to serve both Residential and Commercial clients; each of our experts are prepared to assist you with the Sales, Service, and Installation of the comfort system that is perfect for your business or home.