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(203) 371-0055
Celco Heating and Air Conditioning

HVAC Contractor in
Greenwich, CT

Reliable HVAC Services for Homes and Businesses in Greenwich, CT

At Celco Heating and Air Conditioning we have the best HVAC services in Greenwich, CT because they take the time and care necessary to prepare our professionals. We make sure to select the best of the best to benefit your home. We’re a team that has a longstanding history in Greenwich, CT and we put it to use. We’ve worked here since 1976. Throughout our decades in business, we’ve made an effort to improve in everything we do. The work we put into our craft is evident in our stellar installation, replacement, repair, and maintenance work. It’s why we have an A+ rating with the BBB and rave reviews from your neighbors, coworkers, and friends.

A dependable heating and cooling system helps create a comfortable indoor environment, no matter what the Connecticut weather brings. From warm, humid summers to cold winter temperatures, your HVAC equipment works hard throughout the year. Keeping it operating efficiently requires quality installation, regular maintenance, and timely repairs when problems arise. At Celco Heating & Air Conditioning, we proudly provide HVAC services for homeowners and businesses throughout Greenwich, CT.

Every property has different heating and cooling needs. Whether you’re building a new home, updating an older HVAC system, or looking for ongoing maintenance, our team offers solutions designed around your property’s layout, comfort goals, and existing equipment. We focus on providing dependable service while helping customers make informed decisions about their heating and cooling systems. 

Air Conditioning Repair & Installation

Are you in a pinch where you need air conditioning repair? Are you ready to cool your home properly and do you need excellent air conditioning installation? We’re here to provide you with the proper work in either scenario. We work on a variety of air conditioning systems including central air conditioners, heat pumps, ductless mini split systems, and thermostats. We even can perfect the current thermostat work that you need to correctly run your air conditioning system.

Heat Pumps
Heat pumps are such a fan favorite because they’re affordable, reliable, and eco-friendly. This is because they move heat where you want it (inside in winter and outside in summer) rather than generating heat in the way a furnace would. Our experts will install, repair, replace, or maintain your system when you need quality work.

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HVAC Installation and Replacement That Fits Your Property

Installing a new heating and cooling system is an investment in your home’s comfort and efficiency. Choosing equipment that is properly sized and installed can improve airflow, maintain consistent temperatures, and help reduce unnecessary energy consumption. Our HVAC installation services begin with a thorough assessment of your property’s heating and cooling requirements so we can recommend equipment that fits your space.

If your current system has become unreliable or requires frequent repairs, an HVAC replacement may provide greater long-term value. Older systems often lose efficiency as they age, making it more difficult to maintain comfortable indoor temperatures throughout the year. Replacing aging equipment can improve performance while reducing the likelihood of unexpected breakdowns. Our installation and replacement services include:

  • HVAC installation
  • HVAC replacement
  • System evaluations
  • Equipment recommendations
  • Residential and commercial HVAC solutions
  • Energy-efficient system upgrades
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Heating Repair & Installation

If you’re looking for repair or installation for your heater, then we’re the team you should contact. We’re the professionals who work on boilers, furnaces, heat pumps, radiant heating systems, hybrid heating systems, ductless mini splits, and zone control systems. We’re specialists and we emphasize variety because we understand that the needs of everyone’s home are vastly different. We’ll set you up with the proper installation and follow up with repairs should anything go wrong.

Furnaces
Furnaces are one of our specialties because so many homeowners in Greenwich, CT choose this system. Furnaces are enticing because they’re familiar, reliable, and efficient. Modern furnaces on the market have higher AFUE ratings than ever before. We can help you match your home’s needs to a great furnace system because we’re experienced professionals.

Fireplaces
Fireplaces are great because they add unmatched warmth and ambiance to your home. If you want to make sure that your fireplace is clean, pristine, and worth the investment, then we recommend service from our technicians. We install, repair, replace, and maintain both gas and traditional fireplaces. Come to us with any of your needs.

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Keeping Cool with Professional AC Installation

Summer in Greenwich often brings high humidity along with rising temperatures, making an effective cooling system an important part of everyday comfort. Whether you’re installing central air conditioning in a new home or replacing an aging unit, proper installation helps your system perform reliably throughout the cooling season.

Our AC installation process considers more than just the equipment itself. We evaluate ductwork, insulation, airflow, and overall system performance to help ensure balanced cooling throughout your home or commercial property. Taking the time to install equipment correctly helps improve comfort while supporting long-term reliability.

If your current air conditioner struggles to keep up, produces unusual noises, or cycles more frequently than normal, we’ll inspect the system and discuss available repair or replacement options. Every recommendation is based on the condition of your equipment and your property’s specific cooling needs. Our cooling services include:

  • AC installation
  • Air conditioning replacement
  • Cooling system inspections
  • Seasonal tune-ups
  • HVAC maintenance
  • Emergency HVAC service

Water Heaters

Did you know that your water heater is one of the hardest working appliances in the home? This one appliance accounts for nearly 17% of your home’s overall energy usage. This is why it’s so important to make sure that your water heater is as efficient as possible. Our technicians can make this a possibility by matching you with the perfect unit. We install, repair, replace, and maintain both tank and tankless water heater systems.

Generators

It’s important to have generators in your home in case of an emergency. Preparing for an emergency is the best way to ensure that you don’t panic when one arises. If you’d like to keep you and your family members safe, then we suggest whole-house generators. These systems keep the lights on and your system running like normal even in an outage. We offer automatic standby generator installation, repair, and maintenance when you need it most.

Commercial HVAC

If you’re in charge of running a commercial space in Greenwich, CT, then it’s important that you have a team you can trust for the work you need. We’re a team of comprehensive professionals who can do the job. We install, repair, replace, and maintain commercial HVAC systems and work on a variety of HVAC systems. We’re always dedicated to your satisfaction and we have a 100% satisfaction guarantee. We’re going to make sure that you’re satisfied with your commercial work.

Heating Services for Connecticut Winters

As temperatures begin to drop, dependable heating becomes essential. Whether your property relies on a furnace or boiler, routine maintenance and prompt repairs help ensure that your system continues operating efficiently throughout the winter months. We provide furnace and boiler repair services for a wide variety of heating systems used throughout Greenwich.

Many homeowners continue to rely on boiler systems because of their consistent, comfortable heat. When an aging boiler reaches the end of its service life, a new boiler installation can improve reliability while helping lower operating costs. Our technicians evaluate your current equipment and explain available options before any work begins.

We also provide water heater installation for homeowners looking to replace outdated equipment or improve their hot water capacity. Properly installed water heaters help deliver dependable performance for daily household needs. Our heating services include:

  • Furnace repair
  • Boiler installation
  • Boiler repair
  • Water heater installation
  • HVAC maintenance
  • Heating system inspections

Preventative HVAC Maintenance Throughout the Year

Routine HVAC maintenance is one of the simplest ways to protect your heating and cooling investment. Regular inspections allow technicians to identify worn parts, clean system components, and verify that equipment is operating safely and efficiently before seasonal demands increase.

Preventative maintenance also helps reduce the risk of unexpected equipment failures during periods of extreme weather. Keeping filters clean, checking refrigerant levels, inspecting electrical connections, and testing system performance all contribute to reliable year-round operation. Benefits of routine HVAC maintenance include:

  • Improved system efficiency
  • Better indoor comfort
  • Fewer unexpected repairs
  • Longer equipment lifespan
  • More consistent heating and cooling
  • Increased system reliability

Scheduling maintenance before summer and winter helps prepare your equipment for the busiest times of the year while supporting dependable performance season after season. 

Schedule HVAC Service in Greenwich, CT

Whether you’re considering an HVAC replacement, scheduling AC installation, or need furnace repair, HVAC maintenance, or emergency HVAC service, Celco Heating & Air Conditioning is ready to assist. Contact us today to schedule HVAC service in Greenwich, CT! We’ll take the time to understand your property’s heating and cooling needs and recommend practical solutions that help keep your home or business comfortable throughout every season. 

Service Areas

Celco Heating and Air Conditioning Services Area Map
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Ansonia, CT
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Bethany, CT
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Brandford, CT
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Bridgeport, CT
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Darien, CT
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Derby, CT
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East Haven, CT
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Easton, CT
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Fairfield, CT
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Greenwich, CT
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Hamden, CT
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Milford, CT
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Monroe, CT
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New Canaan, CT
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New Haven, CT
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North Haven, CT
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Norwalk, CT
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Orange, CT
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Oxford, CT
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Seymour, CT
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Shelton, CT
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Southport, CT
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Stamford, CT
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Stratford, CT
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Trumbull, CT
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West Haven, CT
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Weston, CT
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Westport, CT
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Wilton, CT
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Woodbridge, CT
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Hours of Operation

Mon – Fri: 7:30 – 5:00 pm
Sat: 9:00 – 1:00 pm
Emergency service available

467 Bishop Ave
Bridgeport, CT 06610
(203) 371-0055
License # S1-392747

Financing Options

Wells Fargo Bank, N.A.
Loan Options

Accepted Payment Forms

Payment Method 

PROMOTIONS

Celco Monthly Promotions

We provide great service to your heating and cooling issues.
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