What We Do

Our Services

Comprehensive plumbing and heating solutions for Queens, NY homeowners and businesses — backed by nearly 100 years of family expertise.

Licensed Master PlumbersBoiler CertifiedBackflow CertifiedHoneywell Certified

Plumbing Repairs & Installation

Fast, reliable fixes for every plumbing need

From a dripping faucet to a burst pipe, our licensed master plumbers diagnose and resolve problems quickly — minimizing disruption to your home or business. We work on all pipe materials including copper, PVC, and cast iron, and we stand behind every repair we make.

  • Leaky faucets, toilets, and supply lines
  • Pipe repairs and full replacements
  • Fixture installation (sinks, tubs, showers)
  • Residential and commercial work
  • Emergency service available

Gas Heating Systems

Keep your home warm and your family safe

Our technicians are fully certified to install, maintain, and repair gas heating systems of all types. Whether you need a seasonal tune-up or a full system replacement, we bring nearly 100 years of heating expertise to every job — ensuring safe, efficient operation all winter long.

  • Gas furnace installation and repair
  • Annual heating system tune-ups
  • Gas line inspection and testing
  • Carbon monoxide safety checks
  • Emergency heating repairs

Boiler Services

Certified Weil McLain & Burnham specialists

Boilers are a cornerstone of heating in Queens homes, and Billharz Plumbing has been servicing them for generations. We are factory-certified by both Weil McLain and Burnham — two of the most trusted names in the industry — so you can be confident your boiler is in expert hands.

  • Boiler installation and replacement
  • Annual boiler maintenance and cleaning
  • Pressure relief valve testing
  • Radiator bleeding and balancing
  • Weil McLain & Burnham certified service

Backflow Prevention

Protecting your water supply from contamination

Backflow preventers (RPZ devices) are required by New York City to protect the public water supply. Billharz Plumbing is certified by New York State to test, install, and certify these devices. We file all required paperwork with the NYC DEP so you stay compliant without the hassle.

  • RPZ device installation and replacement
  • Annual backflow preventer testing
  • NYC DEP compliance filing
  • Residential and commercial properties
  • New York State certified testers

Water Filtration Systems

Pure water from every tap in your home

As an authorized dealer and installer for Aqua-Pure water filters by Cuno, we bring whole-home water filtration to Queens residents. Our customers consistently tell us their new system delivers cleaner, better-tasting water — and that it ends up costing less than bottled water or individual faucet filters.

  • Whole-home water main filter installation
  • Aqua-Pure by Cuno authorized dealer
  • Filter cartridge replacement service
  • Water quality consultation
  • Cleaner water from every tap — even the bath

Hot Water Heaters

A.O. Smith specialists — tank and tankless

Hot water is a daily necessity, and when your water heater fails, you need a fast, reliable solution. We are A.O. Smith specialists with experience installing and servicing both traditional tank water heaters and modern tankless (on-demand) systems. We'll help you choose the right unit for your household size and budget.

  • Tank water heater installation and repair
  • Tankless (on-demand) water heater installation
  • A.O. Smith authorized service
  • Anode rod replacement and flushing
  • Energy-efficient upgrade consultations

Drain Cleaning

Keep your pipes flowing freely

Slow drains and stubborn clogs are more than an inconvenience — left untreated, they can lead to backups and pipe damage. Our team uses professional-grade equipment to clear blockages quickly and thoroughly, from kitchen sinks and bathroom drains to main sewer lines.

  • Kitchen and bathroom drain clearing
  • Main sewer line cleaning
  • Floor drain and utility sink service
  • Grease trap cleaning
  • Preventive drain maintenance programs

Advanced Gas Ignition

Honeywell certified ignition system service

Modern heating systems rely on sophisticated electronic ignition technology. Billharz Plumbing is certified by Honeywell for Advanced Gas Ignition systems, meaning our technicians receive ongoing training on the latest controls and components. If your ignition system is failing or needs an upgrade, we have the expertise to handle it correctly.

  • Electronic ignition diagnosis and repair
  • Pilot light and igniter replacement
  • Honeywell controls installation
  • Thermocouple and thermopile service
  • Ignition system upgrades

Why Billharz

The Billharz Difference

Nearly 100 Years of Experience

Founded in 1927, we have served three generations of Queens families. That depth of experience means we have seen — and solved — virtually every plumbing and heating problem imaginable.

Certified & Licensed

Our master plumbers hold New York State licenses and factory certifications from Weil McLain, Burnham, Honeywell, A.O. Smith, and Aqua-Pure. You get specialists, not generalists.

Community First

We are a family business rooted in Woodside, Queens. We treat every customer like a neighbor — because many of them are. Honest pricing, clean work, and no surprises.

Ready to Schedule Service?

Call us today or send a message — we respond quickly and get the job done right.