Heating Contractors in New Haven County, CT

Comprehensive list of contractors in New Haven County, CT offering heating systems installation, maintenance and repair services.

Business Listings

Superior Comfort Heating & Air Conditioning are a small team of experienced HVAC contractors, serving Fairfield and New Haven Counties, CT. With more than 20 years in the industry, Superior Comfort know how to provide affordable, reliable services to help keep customers comfortable year-long.

  • Been using Superior Comfort for the last 6 years and wouldn’t go anywhere else! Fast,

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.



Al worked by himself, taking his young son Chris to work as often as possible, and slowly started to build his client base, several of which Chris still services today. In 1988 Chris had decided plumbing was the career choice for him and joined his father in business.


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.


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'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.


Welcome to Climatech Mechanical Services, 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.


RCMS Controls., supplies innovative, cost-effective HVAC and control solutions for commercial office buildings, industrial plants, biotech/pharmaceutical sites, healthcare facilities, government complexes, schools and universities, and retail locations throughout Southern New England.


We're delighted you stopped by! New Concepts Plumbing & Heating knows the dynamics of plumbing and is committed to delivering our clients with quality service at realistic prices. We will service all of your plumbing requirements with our 100% Satisfaction Guarantee!


Dependable Energy is the 3rd generation in the fuel oil, propane, service, and installation business. It has been our mission to run a firm that is #1 in client service, reliability and satisfaction. Dependable Energy. has been delivering comfort and service to homes and businesses for many years.


We've built a business around keeping people warm in the winter, cool in the summer and helping them breathe easier. We've establish a reputation for quality work - putting the same skill and care to detail into every job, huge or tiny. From replacing an old furnace in a single-family home to installing heating & cooling systems in apartment complexes or retail centers, when you PICK UP THE PHONE


Nothing compares to the comforting, warm feeling of a gas or oil heating system on a cold winter night, or the wave of blasting cool air on a hot, humid summer's day. Unfortunately, such services require expert attention to remain at the optimal level. Fortunately, Giordano's Heating & Air Conditioning is there to be your total home comfort experts.


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.


DEPENDABLE Heating & Cooling is a complete service heating & cooling contractor serving greater New Haven and Middlesex counties. Here at DEPENDABLE, we provide you premium LOW COST home heating fuel with same day and flexible deliveries, 24hr burner service and LIVE, friendly client service - available to you - 24/7. available are on-road and off-road diesel.


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.


Hale Hill offers Bioheat and Biodiesel blends for home heating, on-highway and off-highway use. Thank You for your leadership, commitment and stewardship toward our environment. Bioheat B20 is a blend of 80% low sulfur No. 2 home heating oil and 20% biodiesel. This blend percentage ensures the safe and consistent operation of current equipment while maximizing the environmental benefits of biodiesel.


Advanced, affordable heating and air conditioning has never been this accessible! Air. is dedicated to bringing you best quality installation and service. So whether you are in a domestic or commercial sector, searching for a 1st time installation or a modern replacement for your older unit, be sure to take advantage of our superior service.


203 HVAC has set out to provide homeowners in CT the highest quality service from the most professional heating and air conditioning professionals in the area. From replacing a broken furnace in the middle of the winter to helping you replace your old central air unit with a more energy efficient one, we have the skills and expertise to help your home stay comfortable year round. When it comes to affordable