Providing Professional Plumbing & Heating Services in Alliston and Surrounding Areas for Over 50 Years
Van Leeuwen Plumbing & Heating has been a trusted name in New Tecumseth since 1974. We’re locally owned and operated, so our customers are also our neighbours, and we approach every job with that in mind. Our focus is to provide professional plumbing services as well as exceptional customer service because we genuinely care.
Serving the
area since 1974
Licensed
& Insured
WSIB
Covered
OWWA
Certified

Our Plumbing & Hydronic Heating Services
Explore our full range of plumbing and heating services for homes, businesses, and rural properties.

From everyday repairs to full system upgrades, we make sure your home’s plumbing remains dependable year-round.

Reliable plumbing and heating solutions built to support your business every day.

Experienced service for larger systems, equipment, and facilities that demand consistent performance.

Installation and service for boilers, hot water systems, and in-floor heating to keep your space comfortable.

Custom water solutions including filtration, softeners, and purification systems for better water quality.

We are Ontario Water Works Association (OWWA) certified, specializing in backflow preventer installations, repairs and surveys.
Complete Plumbing
& Hydronic Heating Services
We provide full-service plumbing and hydronic heating solutions across residential, commercial, industrial, and agricultural settings. That means you don’t need to call multiple contractors, we can handle everything from everyday repairs to larger system upgrades. Wherever you need us, our team is ready to meet you there. We’re just as comfortable working in a family home in Alliston as we are in a commercial facility or on a rural property in New Tecumseth and surrounding areas.

Our Plumbing Services
We take care of common issues and more involved work, such as:


Leaks

Drainage Problems

Failing Pipes

System
Replacements

New
Installation

Preventative Maintenance & Problem Solving
Small plumbing issues have a way of turning into bigger ones if they’re ignored. A slow drain, unusual odour, or drop in water pressure is often an early warning sign.
We provide ongoing plumbing support to help catch and fix problems early. That includes drain cleaning, pipe repairs, and certified backflow testing to protect your water supply.
If something doesn’t seem right, it’s worth addressing sooner rather than later and we’re here to help you do that.

Our Hydronic Heating Services
We install and service systems designed to keep your space comfortable and efficient, including boilers, hot water systems, and radiant in-floor heating.
What is hydronic heating?
Hydronic heating is a high-efficiency system that uses circulating warm water to provide heat throughout your property. Instead of blowing dry air through vents, heat is transferred through sealed pipes to radiant in-floor systems or radiators.
This method is widely preferred for its:
ENERGY
EFFICIENCY
Water conducts heat better than air, lowering monthly utility costs.

HEALTHIER
AIR QUALITY
Since there are no fans or ducts, it doesn't circulate dust or allergens.

SUPERIOR
COMFORT
Provides consistent, "silent" warmth that eliminates cold spots in the home.

Experts on Rural
& Agricultural Properties
Working throughout Alliston, and the town of New Tecumseth means understanding the realities of rural infrastructure. Many properties rely on well water, septic systems, and custom setups that require a different level of experience.
We work on farms, barns, and agricultural buildings, providing plumbing and hydronic heating solutions that support day-to-day operations. From water supply and pressure systems to in-floor heating in outbuildings, we make sure everything is designed to function reliably in real-world conditions.
If your property includes a dug or drilled well, specialized pumps, or older plumbing systems, we know exactly how to spot potential issues, keep your water flowing and your systems in top shape.

Water Treatment, Pumps
& System Performance
Water quality and system performance are closely connected, especially in rural areas. We help improve and maintain both through properly installed and serviced water treatment and pump systems.
Whether you’re dealing with hard water, iron staining, or concerns about water safety, we can recommend and install the right solution. That might include filtration, purification, or upgrades to your existing setup.
We also install and service pump systems that keep water moving where it needs to go, from wells to pressure systems to sump and sewage pumps.

Experienced, Licensed,
& Local Plumbers
Van Leeuwen Plumbing & Heating has been a trusted name in the Town of New Tecumseth since 1974. Over the years, we’ve built our reputation on reliable plumbing work, honest service, and long-term relationships with customers throughout the area.
Our team is fully licensed and insured, covered by WSIB, and certified to perform backflow testing through OWWA. We bring practical experience from working on a wide range of properties, from older homes to new builds and agricultural facilities.






