Hard water is damaging my home
Start here if you are seeing scale buildup, dry skin, spotty dishes, or appliances wearing out early.
- Scale on faucets and shower glass
- Dry skin and cloudy dishes
Ontario water treatment experts for homes and light commercial projects
Find the right water treatment system for your home.
From hard water and bad taste to bacteria protection and filter replacement, Water Doctor helps Ontario homeowners choose, install, and maintain the right solution.
Free home water assessmentProfessional installation across OntarioOnline shop plus local service support
From diagnosis to maintenance
One team for recommendations, installation, and replacement care.
Start With Your Water Problem
Pick the issue you want to solve first.
Choose your starting point, then either explore service guidance or go directly to shop.
My drinking water tastes off
For better taste, reduced contaminants, and cleaner drinking water at the tap.
- Chlorine taste or odor
- Cleaner water for cooking and coffee
I need bacteria or well-water protection
Best for well water and bacteria-risk cases with chemical-free UV disinfection.
- Well water risk management
- Protection without adding chemicals
Already have a system? Use our replacement filter collection or contact us for maintenance support.
Recent Work
See how Water Doctor solutions show up in real Ontario installs.
Explore recent projects to see how Water Doctor systems fit into homes and light commercial spaces.
Whitchurch-Stouffville Installation Water Softener + Iron Filter + Water Purifier Set
We designed and installed a custom 3-stage filtration suite tailored to the specific water chemistry...
Wutai Shan Buddhist Garden
At Water Doctor, we proudly supported the Wutai Shan Buddhist Garden by delivering sustainable water...
Real Fruit Bubble Tea Commercial Showcase
Explore how we partnered with Real Fruit Bubble Tea to enhance their signature drinks and operationa...
Next Step
Talk to Water Doctor About Your Water
Tell us what you are seeing at home and our Markham team will point you to the right assessment, service, or product path.
Contact Methods
Phone
+1 289-748-9666Showroom Location
601 Denison St, Markham, ON L3R 1B8
Business Hours
Monday to Friday, 10:00 AM - 5:00 PM