Rainbow Duplex
Austrian Olympic Passive House
Rainbow duplex

Lower energy cost

The real savings for the RPHD will  occur through the dramatic reduction in heating and cooling costs.  As an example of the cost of heat, cool and provide domestic hot water for the Lost Lake Passive House (previously the Austria Haus), a 2,700 square foot building, was $280 for the entire year. A conventional building of similar size and usage would, on average, cost $3000/year for the same function.

Rainbow Complex

Completed: Late Fall 2011
Developer: Dürfeld Constructors
Architect: Marken Projects Inc.
Engineer: Equilibrium Consulting Inc.
Prefabricated System: BC Passive House

BC Passive House (BCPH) has collaborated with Dürfeld Constructors (DC), the Canadian general contractor and partner for the 2010 Olympic Austria Haus, to develop a prefabricated panelized system for low energy and Passive House construction.  The Rainbow Passive House Duplex (RPHD) will showcase this panelized system and will be used to demonstrate the benefits of prefabrication and affordable Passive House construction.  To demonstrate this affordability, the RPHD is being built as part of the Resort Municipality of Whistler’s Price Restricted Housing Initiative.  However the real savings for the RPHD will  occur through the dramatic reduction in heating and cooling costs.

Each side of the RPHD consists of 1,500 square feet with an unfinished basement, three bedrooms, two bathrooms and is designed to consume up to 90% less energy for heating and cooling than a conventionally built home.  The RPHD will be certified through the Passive House Institute in   Darmstadt, Germany.

On top of Passive House Certification, the design team for the RPHD was also able to include CLT panels for the deck and middle floor construction, sustainable building products, a high-efficiency heat recovery ventilation unit with a subsoil heat exchanger, solar hot-water, drain water heat   recovery, triple-glazed, superinsulated windows and the option for rainwater harvesting.

For more information check out the BC Passive House Website.