Common questions from Canadian homeowners.

Whole-home filtration typically runs $1,500–$5,000+ installed depending on flow rate, media and contaminants. Softeners are usually $1,200–$3,500 and under-sink reverse osmosis units $400–$1,500. Well water combination systems (softener + iron filter + UV) commonly land between $2,500 and $5,500.

Softeners remove hardness minerals (calcium and magnesium) that scale up plumbing and appliances. Filters remove taste, odour, chlorine, sediment, iron, sulphur, PFAS and other contaminants. Most Canadian homes benefit from a softener plus a whole-home carbon filter, with a small RO unit at the kitchen sink for drinking water.

At minimum: bacteria (total coliforms and E. coli), nitrates, hardness, iron, manganese, sulphur, pH and TDS. Homes near agriculture, industry or airports should also test for PFAS. Most provinces recommend testing well water two to three times a year.

Some reverse-osmosis systems certified to NSF/ANSI 58 carry specific PFAS or lead reduction claims. Check the exact model and contaminant claim; certification is not a blanket promise. Health Canada’s PFAS value is a 30 ng/L objective for the sum of 25 specified PFAS, not a finalized MAC. Verify performance with accredited testing.

Look for CWQA (Canadian Water Quality Association) members, WQA-certified installers, WSIB coverage and liability insurance. Every pro we match you with is asked to confirm licensing, insurance and manufacturer certifications for the systems they install.