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Water Renewal Project Case Study

Multi-Residential, Toronto, ON

A multi-residential property in Toronto contracted The RPM Groups and their partner Bondi Water Controls to complete a full water efficiency retrofit. The 14-storey, 94-unit building received targeted upgrades to reduce leaks and improve overall consumption, with the project completed in under four weeks.

Scope

  • Project Type: Water Efficiency Retrofit
  • Building Type: Multi-Residential
  • Location: Toronto, Ontario
  • Project Partner: Bondi Water Controls

Property Overview

  • Building Size: 14 stories

  • Total Units: 94 (predominantly one-bedroom)

  • Year Built: 1970

Before the Retrofit

  • Daily Water Use: 52,000 liters (13,735 gallons)
    (553 L or 146 gallons per unit/day)

  • Toilet Types: Mix of 4.8 L and 6.0 L per flush

  • Leak Rate: 23% (22 out of 96 toilets)

After the Retrofit

  • Daily Water Use: 28,400 liters (7,501 gallons)
    (301 L or 80 gallons per unit/day)

  • Water Usage Reduction: 46%

  • Leak Rate: 0%

  • Monitoring: Flowie sensors from Alert Labs installed on city water meter for pre- and post-project tracking

Scope of Work

  • Inspected and replaced faulty toilet fill valves

  • Replaced toilet flappers with Korky Floater Flappers

  • Installed Guard Dog Valves™ – motion-activated flow control valves

  • Tested and replaced outdated showerheads and faucet aerators with high-efficiency models

Project Impact

  • Project Cost: $34,000 (after taxes)

  • Year One Savings: $35,000

  • Net Operating Income (NOI) Increase: $35,000

  • Property Valuation Increase: $700,000
    (based on a 5% CAP rate)

  • Simple Payback Period: Less than 1 year