Tankless Water Heater Repair and Maintenance

Your Heating & Cooling Team Serving All Of Long Island, NY

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15 Years of Experience
Serving All of Long Island

Ensuring your tankless water heater operates efficiently and reliably is crucial for continuous hot water and energy savings. A. Monte Services offers expert tankless water heater repair and maintenance services to keep your system running smoothly.

With 15 years of experience serving all of Long Island, our team is committed to providing exceptional service using trusted brands like Navien and Bosch. Contact us today for professional tankless water heater repair and maintenance services on Long Island.

Why Choose A. Monte Services?


  • Experienced Technicians
    Our team has extensive experience repairing and maintaining tankless water heaters.
  • Trusted Brands
    We service all brands, with a focus on reliable brands like Navien and Bosch.
  • Comprehensive Care
    We offer complete tankless water heater solutions, from repairs to routine maintenance.
  • Local Expertise
    Serving all of Long Island, we understand the unique needs of homes in this area.

Create Your Maintenance Plan

Each HVAC system is unique, and there’s no “one solution fits all”. That’s why we work with you to create a maitenance plan tailored specifically to your equipment and needs. With our custom maintenance plan you’re only getting service you can benefit from with the attentiveness of our experienced team to help you.

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Our Tankless Water Heater Services

We offer a range of tankless water heater repair and maintenance services.

Expert Tankless Water Heater Repair

When your tankless water heater encounters issues, it can disrupt your hot water supply and increase energy costs. Our skilled technicians are equipped to handle a variety of tankless water heater problems, ensuring your system is restored to optimal performance.

Common Tankless Water Heater Issues We Fix
  • Inconsistent Hot Water
    We diagnose and repair issues causing uneven temperature control.
  • Error Codes
    Our experts identify and resolve system error codes displayed on your unit.
  • Mineral Buildup
    We clean and descale your system to prevent blockages and maintain efficiency.
  • Ignition Problems
    We address issues preventing your system from igniting properly.
  • Water Leaks
    We locate and repair leaks to prevent water damage and ensure efficiency.

Tankless Water Heater Maintenance

Regular maintenance is essential for extending the life of your tankless water heater and ensuring it operates efficiently. A. Monte Services offers comprehensive maintenance plans to keep your system in top condition.

Our Maintenance Services Include:
  • System Inspection
    Thorough examination of all components to identify potential issues.
  • Cleaning and Descaling
    Removing mineral buildup to maintain optimal performance.
  • Efficiency Testing
    Checking the system’s efficiency and making necessary adjustments.
  • Safety Checks
    Ensuring all safety features are functioning correctly.
  • Performance Optimization
    Fine-tuning your system for peak efficiency and reliability.

Benefits of Regular Maintenance

  • Increased Efficiency: Well-maintained systems use less energy, reducing your utility bills.
  • Extended System Life: Regular maintenance can help extend the life of your tankless water heater.
  • Improved Comfort: Consistent maintenance ensures your system operates at peak performance, providing reliable hot water.
  • Reduced Repairs: Preventive maintenance helps identify and fix minor issues before they become major problems.

Frequently Asked Questions

How often should I have my tankless water heater serviced?

It's recommended that your tankless water heater be serviced at least once a year, preferably before heavy usage periods.

What are the signs that my tankless water heater needs repair?

Common signs include inconsistent hot water, error codes, strange noises, and increased energy bills.

Do you service all brands of tankless water heaters?

Yes, we service all brands, with a specialization in Navien and Bosch systems.

Can regular maintenance prevent tankless water heater breakdowns?

Regular maintenance can significantly reduce the likelihood of unexpected breakdowns by addressing potential issues early.

How long does a typical tankless water heater maintenance appointment take?

Maintenance appointments usually take about one to two hours, depending on the system’s condition and any additional services required.

For reliable tankless water heater repair and maintenance services on Long Island, trust A. Monte Services. Contact us today to schedule an appointment and ensure your home has a dependable and efficient hot water supply.

Our Featured Specials & Rebates

We always try to bring you the most affordable service available, and that includes bringing you rebates and specials so you can save.

PSEG Long Island

HVAC Instant Rebates Program

You can save energy at home by making the switch to high-efficiency heating and cooling equipment. Heating and cooling can account for nearly half the energy you use at home. If your HVAC equipment is more than 10 years old, replacing it with ENERGY STAR® certified models could save up to 20% on heating and cooling costs.*

It’s more affordable than ever to make the switch to a more energy-efficient system. Through PSE&G’s residential HVAC Instant Rebates Program, you can save up to $1,050 on eligible equipment when you work with one of our participating contractors.

Contact Us To Apply
$50 Off AC Tune-Up

$50 Off

AC Tune-Up

Cannot be combined with any other offer.

$500 Off AC Replacement

$500 Off

AC Replacement

Cannot be combined with any other offer.

$25 Off Filter Replacement

$25 Off

Filter Replacement

Cannot be combined with any other offer.

PROUDLY SERVING MT SINAI AND ALL OF LONG ISLAND, NEW YORK With Over 15 Years of Experience

Mt. Sinai

Miller Place

Rocky Point

Smithtown

Port Jefferson

Sound Beach

All of Long Island

A. Monte proudly serves Mt. Sinai and all of Long Island!
A. Monte Services
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Proudly Located in
Mt Sinai, NY

(631) 875-2966

Mon-Fri: 8AM-4PM

Emergency Service Available

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