Serving Suffolk & Nassau County · Long Island, NY

[email protected]631-331-2102
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A1 Heating & Air Conditioning
631-331-2102
Water heater

Water Heaters

Water Heater Installation &
Repair.

Hot water when you need it. A1 installs and repairs water heaters across Long Island with same-day service available.

Schedule Service 631-331-2102

What we offer

Water Heater Services
for Every Home.

Whether your water heater has stopped working or you're upgrading to a more energy-efficient tankless system, A1 provides expert installation and repair services throughout Long Island.

Water heater installation
Water heater replacement
Tankless water heater systems
Water heater repair
Emergency hot water service
Energy-efficient upgrades
Annual maintenance
All major brands serviced
Water heater

Same-day service

No hot water?

We offer same-day water heater repair and replacement across Long Island.

Schedule Service

Common questions

Water Heater FAQs

How long do water heaters last on Long Island?

Traditional tank water heaters typically last 8–12 years. Tankless water heaters can last 20+ years with proper maintenance. If your water heater is over 10 years old and showing signs of trouble, replacement is often the right call.

Should I get a tankless or tank water heater?

Tankless water heaters provide endless hot water and are more energy-efficient, but cost more upfront. Tank water heaters are less expensive to install and work well for most households. We'll help you choose the right option for your home and budget.

How quickly can you replace a water heater on Long Island?

In most cases, we can replace a water heater the same day or next day. Call 631-331-2102 and we'll get you scheduled quickly — we know a broken water heater can't wait.

Do you install Navien tankless water heaters?

Yes. We install and service Navien, Rheem, Bradford White, and other leading water heater brands. Navien is a popular choice for Long Island homeowners looking for high-efficiency tankless systems.

Why is my water heater making a rumbling noise?

Rumbling or popping sounds usually indicate sediment buildup in the tank. This reduces efficiency and can shorten the life of your water heater. We can flush the tank or, if the unit is older, recommend replacement.

Ready to get started?

Same-Day Water Heater Service Available

Contact us for a free consultation on your water heater installation or repair.

Request a Consultation 631-331-2102