HVAC Repair and Installation in New Haven, CT

A-Team Plumbing and HVAC repairs and installs heating and cooling equipment for homes and buildings in New Haven. We work from our office at 2 Commerce Dr in North Branford, not from a New Haven location, and we serve the city. Same-day visits are available on most calls, emergency heat is available 24/7, and you see a written price before work starts.

Heating New Haven homes is its own specialty. Many older houses here were built around radiators, not ductwork. Book online and we will confirm your appointment.

Licensed, Insured, and Upfront

• Licensed and insured in Connecticut: S-1 heating, piping and cooling license S1-0410344, and P-1 plumbing license P1288989.
• Registered as a Connecticut home improvement contractor, HIC-0662416.
• 24/7 emergency service, with same-day visits on most calls.
• Written pricing with no hidden fees, and financing on larger system replacements.

Radiators, Boilers, and the New Haven Winter

In East Rock, Wooster Square, Westville, and Fair Haven, older housing is commonly warmed by a boiler sending hot water or steam to radiators. Those systems can last a long time, but they are sensitive to small neglected problems.

Steam systems. Steam heat depends on the right water level, working vents on each radiator, and pipes that slope back to the boiler. When a radiator hammers, hisses without heating, or stays cold, the cause is often a stuck vent or a pipe that has settled. These are fixable, and they are not always a reason to replace a boiler.

Hot water systems. Here the key parts are a circulator pump, an expansion tank, and the correct pressure. Trapped air leaves upper floors cold. A boiler that cycles on and off every few minutes, or a pressure gauge that keeps drifting, is asking for attention before a cold night makes the decision for you.

Old boilers with new questions. Many New Haven owners ask whether to repair or replace. We give you both prices side by side along with the condition of the heat exchanger, the controls, and the piping, so the choice rests on facts. Emergency heating repair is available around the clock for the nights when the choice is made for you.

Heat in Triple-Deckers and Multifamily Houses

Two-family and three-family houses, including triple-deckers, are a familiar sight in New Haven. Heating them raises questions a single-family house does not.

• One boiler or several. Some buildings heat every apartment from one boiler in the basement. Others have a separate system for each unit. When a shared boiler fails, every household is cold at once.
• Balance between floors. The first floor can overheat while the third stays cool. We look at zone valves, radiator sizing, and venting so the heat is distributed more evenly.
• Empty units in winter. A vacant apartment still needs enough heat to keep pipes from freezing. Turnover is a good time to check thermostats, valves, and radiators.

We work with owners and property managers, and you get the diagnosis and a written price before repairs start. A fall service visit, before the first real cold snap, is a smart habit for any landlord.

Adding Air Conditioning Without Tearing Up Plaster

Summers in New Haven can be humid, and old houses without ducts are hard to cool. Window units work, but they block windows and run loud. Cutting new duct paths through plaster and old framing is expensive and messy.

A ductless mini-split fits many of these homes. Each indoor unit connects to an outdoor unit through a small opening in the wall, and each room or apartment can have its own controls. In a multifamily building, separate systems also let each household manage its own comfort. Many mini-splits heat as well as cool, so they can carry the mild weeks of spring and fall while the boiler rests.

For homes that already have ducts, we repair and replace central air. If you are weighing a repair against a new system, our guide to AC repair costs in New Haven walks through the questions to ask.

HVAC Services We Provide in New Haven

Furnace Repair and Installation

Not every New Haven house has a boiler. Some homes and renovated buildings use forced-air furnaces. We diagnose ignition problems, failed blowers, dirty sensors, and clogged filters, and we install replacements sized to the house. Learn about furnace repair or furnace installation.

AC Repair and Installation

When the air stops cooling or the system freezes up, we find the cause before we quote a fix. Our AC repair and AC installation services cover central systems, with clear options and written prices.

Seasonal Maintenance

A yearly heating check in the fall and an AC tune-up in the spring catch small faults early. They also give you a record of the system’s condition if you are planning a sale or a purchase.

Indoor Air Quality

Older houses can be damp, dusty, or musty, especially in basements. Our indoor air quality options address humidity, filtration, and stale air.

Commercial and Mixed-Use Properties

Storefronts with apartments above are common in New Haven. We service small commercial and mixed-use buildings through our commercial HVAC team.

Neighborhoods We Serve

• East Rock and Wooster Square: older brick and wood-frame buildings with radiators, tight mechanical rooms, and a mix of owners and tenants.
• Westville and Beaver Hills: houses from single-family to three-family, many heated by boilers.
• Fair Haven: multifamily blocks where one failed boiler can leave several households without heat.
• Morris Cove: shoreline homes where damp air can make humidity control worth thinking about.
• Yale-area rentals and downtown: student and tenant housing where reliable heat and a quick response matter most.

What Customers Say About Our Heating Work

Heat Restored During a Hard Storm

Few calls are more urgent than a heat outage during severe weather. A New Haven customer, Chris R., wrote:

“They got my heat up and running quickly despite the worst winter storm in 15 years.”

We are open around the clock for no-heat calls. Read more customer reviews.

Clear Communication on a Furnace Repair

People remember how a repair was explained as much as whether it worked. Another customer, William D., wrote about a furnace visit:

“Aidan was as professional as could be. Great communication throughout the process of repairing the furnace.”

That is our standard on every job: say what we found, say what it costs, and keep you informed until it is done.

Why New Haven Customers Choose A-Team for Heating and Cooling

• Connecticut S-1 license S1-0410344 for heating and cooling, plus P-1 license P1288989 for the boiler piping and water heaters that go with them.
• Owner Manny Galarza and a team based in North Branford.
• Open 24 hours, 7 days a week, with upfront written pricing and no hidden fees.
• Heating, cooling, and plumbing from one company. See our New Haven plumbing services and all of our HVAC services.

Schedule HVAC Service in New Haven

Tell us what the system is doing, what kind it is, and how many apartments or floors it serves. We cover the whole city, from Westville and East Rock to Fair Haven and Morris Cove. Book online and we will set the appointment.

FAQs About HVAC in New Haven, CT

Do you have a New Haven office?

No. We are based at 2 Commerce Dr in North Branford and serve New Haven. Emergency heat calls are answered 24/7, and same-day visits are available on most calls.

Why is one room in my apartment always cold?

Common causes are trapped air in a hot water radiator, a stuck vent on a steam radiator, or a zone valve that is not opening. We check pressure, venting, and flow, then fix the cause so heat reaches the room.

Can I add air conditioning to a triple-decker?

Yes. Ductless mini-splits are the usual answer because they need no ducts, only small openings for the line sets. Each apartment can have its own system and thermostat.

Should I repair or replace my boiler?

It depends on its condition, the repair cost, and how often it has failed. We give you the repair price and the replacement price in writing so you can compare them calmly.

How do I book HVAC service in New Haven?

Book online with your address, the type of system, and the problem. We will confirm a time and provide a written price before any work begins.