What we do
Five service lines, one accountable crew.
We work as a mechanical contractor, not a referral aggregator. Plumbing, hydronic heating, radiant floor, water treatment, and gas service all run through the same shop, the same trucks, and the same warranty.
Hydronic Heating
Boilers & Hydronic Heating
We are one of the K-W region's leading specialists in hydronic heating. Whether you need maintenance on an existing boiler or a full system replacement, our technicians are trained to diagnose and replace any residential or light commercial boiler.
Specialist tier
Hydronic + radiant
Brands we install
Viessmann, Lochinvar
Coverage
K-W + surrounding region
In-Floor Heat
Radiant Floor Heating
For more than ten years we have specialized in Uponor radiant in-floor heating. The system circulates warm water beneath your floor through flexible PEX tubing, distributing heat evenly without forced air, ductwork, or airborne dust.
Tubing
Uponor AquaPEX
Applications
New build, retrofit, snow-melt
Zones
Custom-designed per floor plan
Softeners & RO
Water Treatment
If you are living in the Waterloo Region, water treatment is virtually a must. We supply and install the R-Can CS Series softener and pair it with reverse osmosis, carbon, and combination filtration where the test results call for it.
Softener
R-Can CS Series
Filtration
RO, carbon, sulfur, iron, UV
Testing
Free in-home
Gas Lines & Water Heaters
Gas Services
Our gas technicians are licensed and trained to run gas lines for any common residential application, plus the commercial water heater work that most plumbers will not touch. We pull the permit, do the install, and handle the inspection.
Licensing
TSSA gas + plumbing
Common installs
Range, BBQ, dryer, water heater
Sizing
BTU-load to meter set
Repair & New Build
Plumbing
Kastl & Zuch handles plumbing across the full range, from a single faucet swap to a complete new-home rough-in. We work directly with homeowners, with renovation contractors, and with custom builders, and we deliver the same quality on a $400 service call as on a $40,000 mechanical room.
Scope
Service through new build
Brands stocked
Grohe, Moen, Delta
Coverage
K-W and surrounding region
Talk to a technician
Need a quote, a service call, or a second opinion?
We answer the phone. We pull permits. We stand behind our work, same as we have since 1966.