Tankless Water Heaters That Deliver Endless Hot Water

Tankless Water Heaters

Serving Homeowners Across Bergen County

Ready to stop running out of hot water? Reliance Plumbing and Heating Co., Inc. installs, replaces, and services tankless water heaters for homeowners and property managers throughout the Pascack Valley. Whether you are building an addition in Westwood, finishing a basement in Hillsdale, or replacing an aging tank where we're based in River Vale, our licensed plumbers size and install the right system for your household. Call 201-391-1391 to schedule a visit or request a fast quote.

Why Tankless Water Heaters Matter For Your Home

Tankless units heat water on demand, so you get a steady supply without storing 40 to 75 gallons in a tank. That means less standby heat loss, more space in your utility area, and a system that can be sized to your real hot water needs. In our cold Northeast climate, proper sizing and setup are critical to keep your shower comfortable even when the inlet water is chilly.

Skipping professional design or maintenance can lead to frustrating problems. Undersized gas lines, incorrect venting, or poor water-quality control can cause fluctuating temperatures, reduced flow, or early part failure. A pro installation with the right accessories protects performance and helps maintain manufacturer warranties.

  • Endless hot water for back-to-back showers and laundry.
  • Compact, wall-hung units free up floor space.
  • Energy efficiency compared to many standard tanks.
  • Long service life when installed and maintained correctly.
  • Optional recirculation for faster hot water at distant fixtures.
Winter tip: inlet water temperature drops sharply in colder months, which reduces a tankless unit's flow at a given setpoint. Choosing the right size and enabling a smart recirculation or preheat feature keeps your showers strong all winter.

Our Tankless Water Heater Installation And Replacement Process

We follow a clear, step-by-step process so your upgrade is smooth and stress-free from start to finish:

  1. In-home assessment: We measure hot water demand by fixtures, family size, and usage patterns. We also check gas or electrical capacity, venting routes, and water quality.
  2. Right-sizing and options: You get good, better, best choices, with flow rates tailored to our regional winters. We discuss condensing vs. non-condensing units, recirculation options, and filtration.
  3. Preparation and protection: We protect floors, safely isolate utilities, and remove the old tank, if present. Disposals are handled per local guidelines.
  4. Professional installation: We install the wall bracket, hang the unit, upgrade gas lines as needed, set venting with approved materials, and connect water lines with isolation valves and service ports for easy maintenance.
  5. Commissioning: We fill, purge air, set temperatures, confirm combustion, check for leaks, and verify performance at multiple fixtures. We also program recirculation and comfort settings when applicable.
  6. Homeowner walkthrough: You learn how to use controls, change basic settings, and recognize maintenance reminders. We leave a written care plan and recommended service interval.

Most installations are completed in a single day, depending on complexity. If panel or gas upgrades are required, we coordinate the schedule to minimize downtime. For questions at any time, call 201-391-1391.

What We Service And Support

Our team services a wide range of equipment and setups commonly found across nearby towns.

  • Natural gas, propane, and electric tankless water heaters.
  • Condensing and non-condensing models with proper venting solutions.
  • Direct-vent and concentric-vent configurations, with backflow and condensate handling as required by the unit design.
  • Recirculation systems: dedicated return line or demand-controlled comfort valves.
  • Water line materials: copper, PEX, or mixed systems with code-compliant transitions.
  • Hard-water solutions like inline screens and cartridges to reduce scale.

We also coordinate related upgrades while we are on site, including water filtration & softeners for better taste and reduced scale buildup, and sump pump & ejector pump services to protect finished basements from water damage. Ask how bundling services can simplify your project and reduce the need for repeat visits.

Work with a Local Plumber Who Treats You Like Family

Repairs, Maintenance, And Upgrades

Even the best tankless water heaters benefit from routine care. Mineral buildup can restrict flow and cause temperature swings over time. Our maintenance visit includes a full system check, annual or biennial flush and descaling based on water quality, cleaning inlet screens, and verifying sensors. If your unit shows error codes, we diagnose the root cause before swapping parts so you get a lasting fix.

Common service calls we handle:

  • Fluctuating temperatures or lukewarm water at high demand.
  • Slow hot water delivery to distant bathrooms or kitchens.
  • Ignition, combustion, or venting faults.
  • Noise, vibration, or dripping from relief valves or condensate lines.
  • Error codes related to flow sensors, flame detection, or freeze protection.

If you are upgrading from a standard tank, we can add a dedicated recirculation line during other plumbing work, or install smart-demand accessories that reduce wait time without wasting energy. We calibrate temperature to your preferences and share simple tips to get the most from your system.

Why Choose Reliance Plumbing and Heating Co., Inc. For Tankless Water Heaters

Choosing the right plumber matters as much as choosing the right equipment. Our local experience with local homes means we know how winter inlet temps, older piping, and tight utility rooms affect design choices. That knowledge helps us deliver consistent comfort all year.

  • Licensed and insured technicians who focus on safety and long-term performance.
  • Upfront, no-pressure recommendations so you can compare options clearly.
  • Respect for your home with clean work areas and careful protection.
  • Right-sized systems that balance flow, efficiency, and budget.
  • Backed by manufacturer and workmanship warranties with documented commissioning.

Have questions now? Speak with a friendly pro at 201-391-1391. We are happy to help you plan the best solution for your home and schedule.

Local Considerations for Tankless Water Heaters

Homes in our region range from mid-century colonials to newer builds with multiple bathrooms and luxury showers. That variety changes how we size tankless water heaters. Larger spa-style fixtures and long pipe runs often benefit from slightly higher flow units and a smart recirculation strategy. Older basements may need creative vent routing and condensate management to meet unit requirements and keep your space tidy.

Water hardness varies by neighborhood. Where hardness is moderate, routine flushing and simple cartridge filtration can keep your heat exchanger efficient. Where hardness trends higher, we recommend adding basic treatment so scale does not rob you of flow and comfort.

Ready For Reliable Hot Water? Get A Quote Today

If your current tank is nearing the end of its life, upgrading now can prevent an unplanned outage and water damage. We will help you select a system that fits your lifestyle and budget, then install it the right way the first time. Call 201-391-1391 to schedule an on-site assessment with Reliance Plumbing and Heating Co., Inc.

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