Air Conditioning Companies in New Haven County, CT

Comprehensive list of commercial and residential air conditioning companies in New Haven County, CT offering installation, repair and maintenance services.

New Haven County, CT

Business Listings

Superior Comfort Heating & Air Conditioning LLC are experienced HVAC Installers and repair specialists based in New Haven County CT.

  • After the last HVAC guys left me high and dry, it was very hard to get a good HVAC company

Here you'll find all your HVAC and Commercial Refrigeration requirements. NERO AIR CONDITIONING, HEATING & REFRIGERATION is a comprehensive mechanical service and installation firm delivering both homeowners and commercial industries with reliable, dependable, affordable Heating, Cooling, Sheet Metal, Geothermal, Air Purification and Humidification systems for 21 years.


Call us today for an in-home consultation! Receive emails of events and specials by adding your email address to our list. Call us now for more information! One of those benefits pertains to new HVAC equipment for your home! Contact Elite Heating & Air today for more information! We're finally seeing some sunny, summer days instead of all that rain.



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.


Established in 1959, The Star Supply Company provides the biggest single location of HVAC and refrigeration provides in New England. In spite of the dramatic changes The Star Supply Company has seen since 1959, one thing remains constant. The basic business principles created by its founder, Seymour Cohen, as a tiny, family-owned business owner has passed to, and been embraced by, the current owner,


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.


We're a complete service commercial and domestic heating and air conditioning firm serving New Haven, Fairfield and Middlesex counties. We provide our clients quick, efficient and courteous service during our regular office hours, 7:00 A.M. to 4:30 P.M., Monday through Friday. We are always available for our client's emergency service calls after hours and on holidays.


Set up in 1972, Masters has earned its recognition in dealing with the heating and air conditioning industry in Wallingford, Connecticut and its surrounding areas. Masters Heating & Air Condiitoning., a complete service firm, believes in giving the client quality workmanship, fair reasonable prices and friendly, courteous service.


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

Whether your office or home is too cold or too hot, Comfort Zone Heating & Air Conditioning provides the cooling, heating and HVAC services to get you back in your comfort zone speedily and affordably. Comfort Zone Heating & Air Conditioning has been serving commercial and domestic clients throughout the East Haven, Connecticut area with superior products and professional, ethical service.


In business since 1949, The George Ellis Company has been a pioneer and leader in the air conditioning business throughout the state of Connecticut. Providing our clients with top notch service is one of the things we do finest. Employing over 18 well trained and licensed technicians, we provide you the best support there is - technicians on call around the clock ready to service your requirements


Whether your office or home is too hot or cold, Highlands provides all the HVAC services necessary to make you as comfortable as possible. We service all of central and southern Connecticut. We provide quality service you can depend on. We guarantee all of our employees, from our office team to our service technicians, will be polite and friendly while meeting all your heating & cooling requirements.

  • If you want to be given the runaround and not be called back and then have things unplugged

COMMERCIAL & INDUSTRIAL CONTRACTORS Our firm is the one to call when you need prompt, professional, and professional service. Established in 1982, we've been raising the bar for premier HVAC service in Connecticut for the past twenty five years! We install Commercial Solar Hot Water Systems as part of our services. Refer to our Solar Systems page for details.


We're the leading supplier of Heating, Air Conditioning and Ventilation in both Commercial and Residential settings. Serving the Connecticut area, our expert team of knowledgeable service technicians are on call 24 hours a day to make sure that your system will remain trouble free.


When workplace systems break down or need upgrading, or when you are installing new equipment from the ground up, you need confident, competent service specialists to come in and decisively manage the assignment. That is exactly what you can expect from Finkle & Sons Service Co. We're a family-owned & operated firm serving businesses through the state of Connecticut for twenty years.


Dirt in a system causes many system failures. Change the filters in your air conditioning /heating systems monthly. Replace filters with the same kind and size as original filter. If your filter is not disposable, follow the manufacturer instructions for cleaning. Copper Valley Heating & Cooling is a premier HVAC contractor in Connecticut.


Greentech is an HVAC manufacturers rep company that specializes in energy recovery, low life cycle cost systems, critical space systems and indoor air quality. We have fostered relationships with firms incorporating leading technologies in the Green Building sector.


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.


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.


203 HVAC has set out to provide homeowners in Fairfield County the highest quality service from the most professional heating and air conditioning professionals in the area.