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24/7 Emergency Service

Reach out to the experts at Rebmann Plumbing, Heating & Air Conditioning if you have a plumbing or HVAC emergency on Long Island. We’re here to help 24/7. If your furnace goes out in the winter or your AC stops cooling in the middle of summer, we’ll repair it day or night. Call our team at 516-746-5678 for emergency services on Long Island, Roslyn, or Port Washington, NY. Residential and commercial repairs available.

Top-Rated Air Conditioning Services in Port Washington, NY

Long Island AC Experts since 1938

Central air conditioning unit in a residential backyard

Rebmann Plumbing, Heating & Air Conditioning is a go-to provider of AC repair in Port Washington and Long Island, NY. We help homeowners with cooling services that keep their families and guests comfortable. Our team installs and services a range of cooling systems, including central ACs, heat pumps, and ductless models. Whether you need maintenance or a brand new system, we’re ready to help.

Contact Rebmann Plumbing, Heating & Air today to schedule professional AC repair in Port Washington and Long Island.

Why Choose Rebmann for Air Conditioning in Port Washington?

Rebmann Plumbing, Heating & Air has provided home services since 1938. We offer same-day AC repair for problems that need immediate attention. If your unit is ready for a total upgrade, you’ll enjoy free, no-obligation replacement quotes. We care about your safety, so all our technicians undergo a thorough background check.

Your cooling system is in good hands when you hire us:
  • 24/7 service availability
  • Licensed and insured
  • Upfront, transparent pricing
  • Multiple financing options
  • Valuable discounts for military/veterans/seniors

24/7 Emergency Air Conditioning Repair on Long Island

Your AC doesn’t have a set schedule that it follows for breakdowns and repairs. That’s why our crew stays ready to respond fast when you need us most.

Here on Long Island, the summer weather tends to be very hot and humid. These conditions will often make your AC work hard to keep your living spaces cool. You might notice the system cycling on and off more than normal or even producing weak airflow. These are clues to schedule an AC repair as soon as possible. You don’t need to wait until a complete breakdown to call.

Benefits of same-day cooling service:
  • Provides faster professional diagnosis
  • Keeps minor problems from escalating
  • Helps protect sensitive components
  • Reduces disruption to daily routines
  • May help avoid costlier repairs

Upgrade to an Energy Efficient Air Conditioner

If you have an aging system, it may be more cost-effective to replace your cooling system rather than repair it. Many newer setups come with variable-speed features and smart technology that maximize energy performance. Consider an HVAC zoning system if you want to set different temperatures in different parts of the home. We also install ductless systems that are inherently zoned.

To help you make an informed decision, we evaluate several factors when deciding between repair and replacement. First, we consider the age and overall condition of your current setup. If It’s a newer system with a simple problem, we’ll likely suggest a repair. We normally recommend a full replacement for systems nearing the end of their expected lifespan with multiple failing parts.

Here’s what to look for to ensure you choose an energy-efficient cooling system:
  • Smart thermostat compatibility
  • High SEER2 rating
  • Variable-speed compressor technology
  • Advanced humidity control
  • Low standby power consumption
  • Seasonal energy-saving features

Stay Cool with AC Repair & Maintenance Services

Air conditioners that go without regular maintenance are much more likely to require emergency service. An AC tune-up every spring lets our technicians catch small problems before they cause a major malfunction. Regular maintenance helps your system run more efficiently and last longer.

During AC maintenance, our technicians:
  • Inspect the entire system
  • Clean internal components
  • Lubricate moving parts
  • Check airflow and thermostat
  • Check refrigerant levels
  • Test safety switches

If our technicians find any major problems, they will give you a full report. By getting this service in early spring, you have time to schedule repairs before the first heat wave. Prompt repairs help keep costs low and extend service life.

Schedule AC Services in Port Washington & Long Island, NY

Our company brings three generations of experience to every job. All products and services come with a one-year warranty because we value your peace of mind. We also offer maintenance plans that make it easy to keep your HVAC system running optimally year after year.

Contact Rebmann Plumbing, Heating & Air today to schedule expert AC repair in Port Washington and Long Island.

Frequently Asked Questions

Repair costs vary depending on the type of system, the age of the unit, and the specific issue, ranging from a minor part replacement to a more involved repair. Rebmann provides upfront pricing before any work begins, so there are never surprise charges.
Most residential central air conditioning systems last between 10 and 15 years with regular maintenance. Systems nearing or past that range are more prone to frequent breakdowns and often become less cost-effective to keep repairing.
We recommend a professional tune-up at least once a year, ideally in the spring before the summer cooling season begins. Regular maintenance improves efficiency, helps prevent unexpected breakdowns, and is often required to keep manufacturer warranties valid.
Central air conditioning cools an entire home through a single system connected to ductwork, while a ductless mini-split uses individual indoor units to cool specific rooms or zones without ducts. Mini-splits are a popular option for additions, older homes without existing ductwork, or homeowners who want more precise room-by-room control.
Yes, Rebmann offers flexible financing options so you can move forward with a needed replacement without delay. Ask our team about current financing offers when you schedule your estimate.
Frequent breakdowns, rising energy bills, uneven cooling, and a system that’s more than a decade old are all signs it may be more cost-effective to replace your unit rather than continue repairing it. Our technicians can assess your system and walk you through repair versus replacement costs.
Yes, Rebmann offers 24/7 emergency air conditioning repair across Long Island, so you’re never left waiting during a breakdown, no matter the time of day.
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Discover the Rebmann Difference

24/7 On-Call Emergency Service
Minimum One-Year Warranty on all Products and Services
Family-Owned Since 1938
Convenient Service Partner Plans
Low Interest, Flexible Payment Financing Options
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Our Reviews

See What Your Neighbors Are Saying

I was very happy I chose to work with Rebmann. They were very professional and courteous. Finished the install in record time and back up their work as well.

Jeff F.

Jeff F.

Very happy with the service provided. The team knows what they are doing, they are professional, efficient, punctual, nice. They follow up to make sure everything is OK. I would definitely recommend.

Hubert A.

Hubert A.

First time customer and couldn’t be more happy with the service I received. Professional, caring and knowledgeable!! Will definitely call again.

Regina V.

Regina V.

Rebmann installed a new gas furnace. I couldn't have been more satisfied with the experience in every respect. Professional, competent, punctual and polite. I recommend highly. My technician and the rest of the crew were outstanding.

Eileen M.

Eileen M.

Rebmann is an excellent service provider. We've been using them for 20 years! They are always very responsive and their technicians are professional, courteous, friendly and knowledgeable.

Dennis P.

Dennis P.