Serving Suffolk & Nassau County · Long Island, NY

🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧🚨  24/7 Emergency HVAC Service Available — Call Us Now: 631-331-2102  ⚡  Same-Day Service · Licensed & Insured · Serving All of Long Island  🔧

Cooling Services

AC Repair
Long Island.

Fast, reliable air conditioner repair throughout Suffolk and Nassau County. Same-day service available — we'll have you cool again fast.

What we fix

Complete AC Repair
for Every System.

Whether your AC stopped cooling, is making strange noises, or just isn't keeping up with the summer heat, A1's licensed technicians diagnose and fix the problem right the first time. We service all major brands throughout Long Island.

Central AC diagnosis & repair
Refrigerant leak detection & recharge
Capacitor & contactor replacement
Compressor repair & replacement
Evaporator & condenser coil service
Thermostat repair & calibration
Blower motor & fan repair
Emergency same-day AC repair

Common AC problems we fix

AC blowing warm air
AC not turning on
AC freezing up
AC making loud noises
AC leaking water
AC short cycling
Uneven cooling room to room
High energy bills from inefficient AC

24/7 emergency service

AC not cooling right now?

Same-day and emergency AC repair available across Long Island. Call now.

Call 631-331-2102

Common questions

AC Repair FAQs

Why is my AC blowing warm air?

The most common causes are low refrigerant, a dirty air filter, a failed capacitor, or a frozen evaporator coil. Call A1 at 631-331-2102 — we'll diagnose the issue and give you upfront pricing before any work begins.

How much does AC repair cost on Long Island?

AC repair costs vary widely depending on the issue. A capacitor replacement is a minor repair; a compressor replacement is a major one. We provide upfront, transparent pricing after diagnosis so you can make an informed decision.

How long does AC repair take?

Most AC repairs are completed in a single visit, typically 1–3 hours. Parts availability can sometimes require a follow-up visit, but we carry common parts on our trucks to minimize delays.

Should I repair or replace my AC?

If your AC is under 10 years old and the repair cost is less than half the price of a new system, repair usually makes sense. If it's over 12–15 years old or requires frequent repairs, replacement is often the smarter long-term investment.

Do you offer emergency AC repair on Long Island?

Yes. A1 offers 24/7 emergency AC repair throughout Long Island. A no-cool call in the middle of summer is never something you should wait on — call 631-331-2102 any time.

Why is my AC making a loud noise?

Banging or clanking usually means a loose or broken part inside the compressor. Squealing often points to a worn fan belt or failing motor bearing. Hissing can indicate a refrigerant leak. Any unusual noise warrants a professional diagnosis — continued operation can turn a minor repair into a major one.

Why does my AC keep turning on and off?

Short cycling — when your AC starts and stops frequently — is often caused by an oversized system, low refrigerant, a dirty evaporator coil, or a failing compressor. It wastes energy and puts extra wear on the system. A1 can diagnose the root cause and fix it correctly.

How often should I have my AC serviced on Long Island?

We recommend a professional AC tune-up once a year, ideally in the spring before cooling season begins. Annual maintenance keeps your system running efficiently, extends its lifespan, and helps catch small issues before they become expensive repairs.

Same-day service available

Need AC Repair on Long Island?

A1 Heating & Air Conditioning is ready to help. Licensed, insured, and trusted by Long Island homeowners since 2019.