Tankless Water Heaters
Unlimited Hot Water On Demand: Tankless Water Heater Installation Long Island, NY.
Tired of running out of hot water? A Tankless Water Heater (also known as an on-demand unit) is the ultimate solution for endless comfort and exceptional energy savings. By heating water only when you need it, these innovative systems eliminate standby heat loss, drastically lowering your utility bills.
Long Island Heating and Cooling INC. is the trusted name for tankless water heater installation and descaling services across the Long Island, NY area.
Why Choose Tankless?
- Endless Hot Water: Never worry about cold showers again—perfect for large families or homes with multiple appliances running simultaneously.
- Superior Efficiency: Save money by only paying to heat the water you use.
- Space-Saving Design: Its compact size frees up valuable space in your basement or utility closet.
- Longevity: With proper annual maintenance (including flushing/descaling), a tankless unit can last up to twice as long as a traditional tank.
Trust our experts for your new tankless system, from initial consultation and sizing to professional installation and annual maintenance.



Water Heater | Tankless Water Heater Maintenance
Tankless Water Heater Maintenance
- Flush the heat exchanger with a cleaner to remove mineral deposits and sediment.
- Inspect the venting and combustion for proper and safe operation.
- Test the temperature and pressure relief valves.
- Clean air filters, water filters, and condensation drains.
- Replace the neutralizer filler.
- Check the operation of all components, electrical wiring, and the control board.
- Check for carbon dioxide leaks and clean the pilot assembly.
- Inspect for any water leaks.


