203 HVAC provides the most reliable heating and cooling services in CT.

From furnace repair on a cold winter's night to installing a new ac system in the dog days of summer, we're here to help. Our team of HVAC experts have the skills and experience to solve even the most complex problems. Call today for a free HVAC services quote!

203 HVAC provides affordable heating and air conditioning repair, replacement, and maintenance services for homeowners in Bridgeport, New Haven, Stamford, Waterbury, Danbury, and all of Fairfield and New Haven Counties.

Our team has the experience to handle your home's heating and cooling repair, replacement, installation, and maintenance needs. If your outdated furnace or air conditioner is in need of replacement, we work with the top brands to help provide you with the most efficient and reliable hvac systems available.

Services Include Air conditioning repair & replacement, air conditioning maintenance, dehumidification, furnace repair and replacement, furnace cleaning, energy efficient upgrades, emergency repair, and much more.

Highlights, Specialties & Features

  • 24 Hour Service
  • Emergency Repair
  • Heating & Cooling Repair, Replacement, and Installation
  • Energy Efficient Upgrades
  • Oil to Gas Conversion
  • Tankless, Gas, Oil, Electric Water Heater Services

Serviced Areas

  • Stratford, Bridgeport, Fairfield, Trumbull, Monroe, Shelton, New Haven, Greenwich, Danbury, Waterbury

Contact Details

  City Stratford, CT
  Zip Code 06614
  Phone Number (203) 601-7752

Products & Services

HVAC Maintenance

With scheduled maintenance, your heating and air conditioning systems will require fewer repairs over time, and will help you save money long term. When professional maintenance is done, your HVAC contractor may uncover smaller issues that could have turned into more serious problems if not fixed.

Indoor Air Quality Services

Air Filtration and Purification
Humidification and Dehumidification
Duct Cleaning
Whole House Air Cleaners


In CT, heating your home in the winter is essential, and when you can’t it needs to be repaired NOW. Our heating system repair contractors have the experience to fix any home heating problem you may be facing.

Whether you need repairs for your gas or oil furnace, or are looking for a new heating system replacement and installation you can trust that the job will be done right the first time.

Air Conditioning

When the warm weather comes, we all rely on our aac systems to help keep our homes cool and comfortable all summer long. When issues arise and you’re dealing with issues in cooling your home, you need it fixed right away.

No matter if your home has a central, ductless, other type of air conditioning system, you need service you can rely on to keep you cool all summer long, and our experts have the experience to handle your home’s air conditiong needs.

Customer Testimonials

The service was great and fast. Rob, the service tech came to my home and took the time to answer all my questions. I highly recommend 203 HVAC

203 HVAC was able to quickly help repair my home’s furnace after it wouldn’t turn on. They provided quick service and were very great to work with!

I was referred to 203 HVAC from a friend and was glad I called. They installed a new central air system in my home I am remodeling quickly and for a great price.

From Our Website

Failures to your home's heating or cooling system can happen at any time, day or night. 203 HVAC provides around the clock air conditioning and furnace repair in Stratford, Bridgeport, Fairfield, and the surrounding areas in CT and are available for you 24/7 because we understand emergencies can't wait. No matter what time of day your HVAC systems may fail, we are here for you. Contact us with your heating and ac repair problem and we'll get a technician to your home as soon as possible. Need help now?

As we all know, winters in Connecticut can be brutally cold. One the temperature drops, there is nothing that beats the feeling of comfort in a well-heated home. However, there is nothing worse than the panic when your heat doesn't work when you need it to. This happens all too often, and during the winter, it can be detrimental to not only your comfort, but your home as well. Don't wait until cold weather arrives to find out your home's heating system is not working. We provide heating services in Bridgeport, Stratford, Farifield and all over Fairfield County.

Most homes have water heater sizes of 40 or 50 gallon tanks in either natural gas, electric, oil fired, or heat pump. While each type of water heater has its own benefits, we can help you decide what is best for your home if you are looking for a new unit, or service your existing water heater. We provide water heating services in Bridgeport, Stratford, Fairfield and all over Fairfield County. Contact us today, we service all types of hot water heaters including natural gas, oil fired, electric, heat pump, both tank and tankless.