Multi-award winning Sustainable Townhomes

North Vancouver, BC

The Seven35 building on the North shores of Vancouver is a multi-award winning development and is the first installation of the PIRANHA wastewater heat recovery system.

In 2012, the 60 sustainable, two-story townhomes installed a PIRANHA T10 HC which uses wastewater to recover and save homeowners up to 75% in energy costs.

The system has FHP heat pumps with double walled, vented heat exchangers that recover waste heat from the existing raw sewage and moves that heat into 6-120 gallon DHW storage tanks.

Product PIRANHA T10 HC
Commissioned 2012 (SHARC)
2016 (PIRANHA)
Developer Adera Developments
Architect Integra Architecture
Engineering Firm -

Quick Facts

  • Energy savings of 76%
  • GHG production reduced by 90%
  • Installed heat capacity of 120,000 Btu/h
  • LEED Platinum
  • Built Green Gold
  • CHBA BC award for most energy efficient and sustainable community
  • The average water usage per town home is 250 gallons per day at an average exiting temperature of 20°C (68°F). 
Site of Incubatenergy Challenge Pilot Project


Solution Building Size Max DHW Temp DHW Load Energy Reduction CO2e Emission Reduction Average Efficiency (CoP)
PIRANHA T10 HC 60 Townhomes 140°F / 60°C 100% 323 MWh/year 68 tonnes/year 3.7

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