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AC Installation and Maintenance Service Long Island

Need AC Installation service near you in Long Island? We Installation, maintain and Install new AC’s . From emergency Installations and new installations to routine maintenance, our skilled technicians handle all Ac Installation issues. We service all makes and models, addressing problems

Fast, Same-Day Service with No-Obligation Estimate

We show up fast often the same day and provide honest, no-pressure estimates so you know exactly what to expect.

On-Time Arrival & Convenient Appointment Scheduling

We value your time. That’s why we arrive when promised and offer flexible scheduling that fits your routine

Affordable Pricing by Trusted, Experienced Plumbers

Get quality work without breaking the bank—done by reliable pros with years of plumbing experience

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ac replacement

Our Service area

Town of Babylon, Town of Huntington, Town of Islip, Town of Smithtown, Town of Brookhaven, Town of Southampton, Town of Riverhead, City of Glen Cove, Town of Hempstead, Town of North Hempstead, Town of Oyster Bay

You can also call and use our Ac Installation services in Long Island for following parts

When you need quick and reliable Ac Installation services, all you have to do is pick up the phone and call

(631) 591-2289

Emergency AC Installation Services in Long Island

we serve following towns with integrity which requires fast response. That’s why Domino has emergency plumbers available 24/7. If you're facing any emergency line at 631-591-2289 for quick, reliable help.

Town of Babylon, Town of Huntington, Town of Islip, Town of Smithtown, Town of Brookhaven, Town of Southampton, Town of Riverhead, City of Glen Cove, Town of Hempstead, Town of North Hempstead, Town of Oyster Bay

AC Installation Service in Long Island and why my system does not work?

Ready to schedule your AC Installation service call? We have a technician ready to help you. Call us today for same-day service and a no-obligation price quote. We can help with most any Central AC or heat pump issue you may have, including:

Common AC Installation Services in Long Island, Suffolk and Nassau counties in New York and how to fix them

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Capacitor Replacement

When AC hums, fan won't spin, compressor won't start. How to Fix it; Turn off power. Discharge old capacitor with an insulated screwdriver. Remove old capacitor (note wire positions). Install new capacitor (same voltage/microfarad rating).

acrepairlongisland

Contactor Replacement

When AC won't turn on or won't shut off. How to Fix it: Turn off power. Remove the panel on the condenser. Unscrew old contactor, move wires one by one to new contactor. Reinstall and test

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Blower Motor Repair/Replacement

When you have Weak airflow or no air from vents. How to Fix it: Shut down power at breaker. Access the blower compartment. After that Test motor with a multimeter (for continuity). Replace motor if bad (mount new one, connect wiring).

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Fan Motor Repair/Replacement (Outdoor Unit)

When Outdoor fan not spinning, unit overheats. How to Fix it: Turn off power. Remove fan guard. Test motor (check capacitor too). Replace motor if dead (match specifications).

acrepairlongisland

Refrigerant Leak Repair

When Ice builds up, poor cooling, hissing sounds. How to Fix it: Confirm leak with electronic detector or soap bubbles. Repair leak (braze/weld if necessary). Vacuum system. Recharge refrigerant (must be EPA-certified to handle refrigerants legally).

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Clearing Clogged Drain Lines

When Water is leaking around indoor unit. How to Fix it: Use a wet/dry vacuum to suction out the clog from outside drain line. Flush line with vinegar or a specialized cleaner.

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Cleaning Dirty Coils

when Poor cooling occurs which creates high energy bills. How to Fix it: Turn off power. Use a soft brush or coil cleaner (no-pressure rinse for delicate indoor coils). Straighten bent fins with a fin comb if needed.

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Thermostat Replacement

When AC is not responding, wrong temperatures. How to Fix it: Turn off breaker. Remove old thermostat (label wires). Connect wires to new thermostat (follow manual). Mount and program.

why you should choose us ?

Domino AC Installation Service: Your Trusted Local HVAC Experts

At Domino AC Installation Service, we know finding a plumber who values your time, delivers five-star service, and treats your home with care isn’t easy. That’s why we’re committed to providing the best local AC Installation service in Town of Babylon, Town of Huntington, Town of Islip, Town of Smithtown, Town of Brookhaven, Town of Southampton, Town of Riverhead, City of Glen Cove, Town of Hempstead, Town of North Hempstead, Town of Oyster Bay

From your first call to job completion, our focus is simple: deliver an outstanding customer experience at a fair price — without cutting corners. You can count on the trusted team at Domino for

4.5/5

Our Trust Score Rate

Rate by over 2000 costumer

Need help today? Our 24-hour AC Installation technicians are standing by — ready to take your call any time, day or night.

Transparent Pricing

No hidden fees. No surprise charges. Before any work starts, your plumber will explain your options and provide a clear, upfront quote. You’ll know exactly what you’re paying for before we begin.

24-Hour Emergency Services in Suffolk and Nassau counties NY

Emergency AC Installations don’t wait, and neither do we. Our team is available 24/7, with fully stocked trucks ready to handle any Installation — day or night.

Same-Day AC Installations in Long Island NY

We respect your time. That’s why we offer same-day service and flexible scheduling. Our plumbers arrive with fully stocked trucks, so most jobs are completed in just one visit — saving you time and money.

Top-Rated Customer Service

Certified pros, friendly service, on-time arrivals, and quality workmanship — your satisfaction is our top priority from start to finish.

How to Use Your Home AC System Wisely in Long Island

1

Set a Smart Temperature

Keep your thermostat around 75°F–78°F when you are home. When you’re away, bump it up by 5–8 degrees to save energy without overworking the system.

2

Use a Programmable or Smart Thermostat

Set automatic schedules based on when you’re home or asleep. This avoids wasting energy cooling an empty house.

3

Change Your Air Filters Regularly

Swap filters every 1–3 months. Dirty filters choke airflow, make the system work harder, and spike your bills.

4

Keep Vents and Registers Open

Don’t close vents in unused rooms — it can create pressure imbalances that strain your system.

5

Seal Leaks and Insulate

Drafty windows, doors, and poor insulation force your AC to work overtime. Seal leaks and add insulation where needed to keep the cool air inside.

6

Use Ceiling Fans

Fans help distribute cool air better. You can raise your thermostat setting by about 4 degrees without feeling less comfortable

7

Schedule Yearly Maintenance

Professional maintenance keeps your AC clean, tuned, and running efficiently — catching small problems before they become big ones.

AC Service

Fast, Same-Day Service & Installations

Top Central AC Brands

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young-male-technician-repairing-air-conditioner
Air conditioner repairers

About Us

For over 20 years, Domino Ac Installation Service has been Long Island’s trusted choice for Ac Installation, maintenance, and installation. Our team of skilled technicians brings deep experience to every job, ensuring your system runs efficiently and reliably.

We’re known for fast response times, thorough diagnostics, and honest, upfront pricing. Whether you need emergency Installations, routine service, or a full installation, Domino is ready to deliver top-quality service 24/7.

Our focus on craftsmanship, attention to detail, and customer satisfaction has made us a favorite among both homeowners and businesses. At Domino, we don’t just fix AC systems — we build lasting relationships, one satisfied customer at a time.

Average Ac Installation prices with Labor and part replacements in Long Island NY

Installations Pricing
  • Standard Central AC (Split System) $5,000 – $8,500
  • High-Efficiency Central AC $7,000 – $12,000
  • Heat Pump (Cooling + Heating) $6,000 – $11,000
  • Ductless Mini-Split (Single Zone) $3,000 – $5,000
  • Ductless Mini-Split (Multi-Zone) $6,000 – $12,000+
  • Package Unit (All-in-One AC/Heat) $5,500 – $10,000

FAQs

Frequently Asked Questions About AC Installations

Look for licensed and insured HVAC contractors in your area with strong customer reviews. Search for “AC Installation near me” and check companies that offer 24/7 service, upfront pricing, and solid warranties.

Call for air conditioner Installation if you notice weak airflow, warm air from the vents, strange noises, leaks, or if your system won’t turn on. Catching problems early can save you from expensive breakdowns.

You can find fast AC Installation by searching local directories, checking Google Maps, or asking neighbors for recommendations. Many HVAC companies now offer same-day service for urgent Installations.

If your system is under 10 years old and the Installation cost is low, an AC fix usually makes sense. If it’s older, needs frequent Installations, or struggles to cool properly, replacing the system might be smarter long-term

Always verify that your plumber is professionally trained and licensed. A certified contractor will also understand the permits, codes, and regulations needed to complete your project safely and legally.

A general estimate can usually be given over the phone, but accurate pricing should happen after an in-person inspection. Once the problem is diagnosed, your plumber should offer a firm quote. Be sure to ask if it includes labor and materials to avoid hidden costs.

Whether you hire an apprentice, journeyman, or master plumber, make sure they have the right license, skills, and knowledge of local codes before they start any work.

Standard AC service near you typically includes checking refrigerant levels, inspecting electrical parts, cleaning the coils, clearing the condensate drain, and testing overall system performance

Most companies let you schedule online or by phone. Search “service AC near me,” find a company with good reviews, and book a service time that works for you — some even offer evening and weekend appointments.

Regular AC service improves cooling efficiency, extends the life of your system, lowers energy bills, and helps catch small problems before they become expensive repairs.

You should schedule aircon servicing at least once a year, preferably before the summer season. Regular maintenance keeps your system running efficiently and prevents breakdowns during peak use.

We offer complete Ac Installation services, including Installation, replacement, and installation — with 24-hour emergency support. Choosing a plumber who specializes in boilers ensures the job gets done right the first time.

Reputable plumbers stand by their work. Ask if they provide a warranty covering labor and materials for at least 30 days after service.

Client
Reviews!

From broken ACs to full-on replacements, our customers know we always come through. Read their stories

Domino made the whole AC installation process easy and stress-free. The crew showed up on time, installed everything in one day, and the system runs perfectly. Best HVAC team on Long Island!"

John- West Islip

"Highly recommend! They helped me pick the right AC unit for my home, gave me a great price, and finished the installation quicker than I expected. Professional and clean!"

Dan- Bellmore

"Fantastic experience from start to finish. The installers were friendly, respectful of my home, and explained how everything worked. If you need AC installation in Long Island, these are the people to call!"

Stacey - Commack

"Our new central air system works better than we ever imagined. The Domino team handled everything, including removing the old system. Smooth process and fair pricing."

Adam - Setauket

"Very impressed with their service. From the initial quote to final installation, everything was professional and transparent. No surprises. Highly recommend Domino for AC installs!"

Amanda – Dix Hills

"We had a mini-split installed for our upstairs bedrooms and couldn’t be happier. Fast, clean, and affordable. It’s been a game changer for our summers!"

Taylor - Babylon

"From my first call to the completed AC installation, the Domino team was outstanding. Knowledgeable, on-time, and super clean. Best HVAC experience I’ve had!"

Robert – East Hampton

"Excellent service! They showed up when they said they would, finished the installation in one day, and the pricing was very reasonable for Long Island. I will definitely use them again."

Jim- Valley Stream

"Very professional installers who clearly knew what they were doing. The system works great, and the house has never been this comfortable. Thanks for the great work!"

Tom- Roslyn

"I couldn’t be happier with my new AC system. Domino was honest, fast, and didn’t try to upsell me. Top-notch installation and customer service all the way."

Daniel – Patchogue

Financing Options for New Central AC Installation in Long Island?

Installing a new central air conditioning system is a major investment, but financing options can make it much more affordable. We offer flexible payment plans to help you get the cooling you need without paying the full cost upfront.

We allow you to spread payments over 12 to 72 months, depending on your budget, making it easier to manage the expense without extra fees. Longer-term plans with low fixed rates are also available, providing predictable monthly payments.

When considering financing, always ask about promotional offers, special rebates, and manufacturer incentives. You may also be eligible for energy efficiency rebates from your utility company, which can further lower your overall cost.

At Domino, we work with trusted lenders to offer fast, simple financing solutions for new central AC installations. Whether you have excellent credit or are rebuilding, we have flexible options to fit your situation.

Don’t wait until the heat becomes unbearable — affordable financing puts a brand-new, high-efficiency cooling system within reach today. Contact us to learn more and get a free estimate with easy financing options available.

Use smart settings, keep things clean, and don't make your AC work harder than it has to.

acrepairlongisland

Expert AC Installations You Can Count On.
Serving Long Island with trusted, affordable HVAC services.
Fast response, expert repairs, and no hidden costs.
Your comfort is just one call away

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