Serving 720K residents
Professional Tankless Water Heater Installation in Mississauga, Ontario
Dedicated tankless water heater installation and service. We carry Navien, Rinnai, and Noritz units with professional sizing, venting, and gas line work included.
Serving neighbourhoods including Port Credit, Streetsville, Erin Mills, Meadowvale, Cooksville and surrounding communities, our licensed technicians bring local expertise and fully equipped trucks for same-day service.
Why Mississauga Homeowners Choose ProFlow for Tankless Water Heater Installation
Every community has unique plumbing characteristics shaped by housing age, soil conditions, and local infrastructure. Our technicians are experienced with the specific challenges that local homeowners face — from the properties in Port Credit to the homes in Cooksville.
Hard Water Scale Buildup
The high mineral content in Mississauga's water supply wreaks havoc on tankless water heaters, dishwashers, and shower heads. Descaling service every 12 months keeps appliances running efficiently. For a long-term fix, we install and maintain whole-home water softener systems.
Local Tip
Mississauga's water supply comes from Lake Ontario and is notably hard, measuring around 124 mg/L of calcium carbonate. Over time, mineral deposits build up inside pipes, water heaters, and fixtures — reducing flow and shortening appliance lifespan. If you notice white scale on faucets or declining water heater performance, a whole-home water softener pays for itself within a few years.
Every ProFlow technician is licensed through the Technical Standards and Safety Authority and carries full insurance coverage. All work meets or exceeds Ontario Building Code requirements.
What's Included
- In-home assessment and load calculation
- Unit selection guidance (Navien, Rinnai, Noritz)
- Gas line upgrade if required
- Stainless steel venting installation
- Condensate drain connection
- System commissioning and flow-rate verification
Transparent Pricing
$3,500 – $6,500
Includes the unit, installation labour, and all materials. Exact cost depends on unit size, venting complexity, and whether a gas line upgrade is needed.
All work performed to Ontario Building Code standards by licensed professionals. Prices are estimates — your written quote will reflect the actual scope of work.
Request a Detailed QuoteFrequently Asked Questions
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Which brand is best — Navien, Rinnai, or Noritz?
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Other Services Available in Mississauga
Drain Cleaning
Professional drain cleaning and clog removal for kitchens, bathrooms, and main sewer lines using advanced hydro jetting technology.
Water Heater Installation & Repair
Expert installation, repair, and maintenance for tank and tankless water heaters from all major brands. Same-day service available across the GTA.
Bathroom Renovation Plumbing
Complete pipe and fixture services for bathroom renovations — from rough-in to final installation. We handle every detail of your project.
Emergency Plumbing
24/7 emergency plumbing response across the GTA. Burst pipes, flooding, gas leaks, and sewer backups — we're there when you need us most.
Sump Pump Installation & Repair
Sump pump installation, repair, and battery backup systems to protect GTA homes from basement flooding caused by rising water tables and heavy rainfall.
Pipe Repair & Replacement
Expert pipe repair and replacement for copper, PEX, and ABS systems. We offer trenchless technology for minimal disruption and same-day burst pipe response.
View all plumbing services in Mississauga
Get a Free Tankless Water Heater Installation Quote in Mississauga
Request a free, no-obligation estimate today. Same-day appointments available for urgent issues. Our licensed plumbers serve all Mississauga neighbourhoods.