慐獳癩⁥敄楳湧匠汯瑵潩獮, Halifax, NS, Canada

Passive Design Solutions home page Passive House Concept: ultra low energy homes About Us: Natalie Leonard, Halifax, NS, Canada Consulting Services for low carbon homes, Halifax, NS, Canada Passive House News Passive House Resource Links Frequently Asked Questions in Canada

Did you know?
Passive House can use about one 10th of the energy a traditional Canadian house and has less than half of the energy consumption of a Platinum LEED house.

Contact Us:  info@passivedesign.ca

Passive House concept drawing
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Thermal image:  energy efficient Passive House
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The Passive House Concept

Passive House is the world's leading standard in energy efficient construction.

  • Up to 85% energy saved in heating over conventional building standards.
  • Quality of indoor space is improved with careful ventilation and day-lighting.
  • Passive House is economically viable because we adapt conventional construction materials and techniques to reduce energy needs.

Passive House Principles
The primary objective is to minimize heat loss by optimizing the thermal performance of the building envelope. This is accomplished with:

  • Super-insulation
  • Airtightness
  • High performance windows
  • Minimizing thermal bridges
  • Incorporating very high efficiency heat recovery ventilation

The energy efficient envelope gathers and holds heat from passive sources, primarily solar. Thus the building shape, site orientation, and thermal mass are important design principles.

Passive House is Cost Effective
A conventional heating system is not needed in a Passive House. This decreases energy bills, saves space and reduces construction costs.
By adapting conventional construction materials and techniques, we find that the cost of building a Passive House adds only 5-10% to the total construction cost.

The Key Benefits of the Passive House in Canada
  • Cut energy costs by 85% and reduce CO2 emissions by 65%
  • Affordable to construct and maintain
  • There are no limits for the design and architecture
  • Less mechanical systems are simpler for the homeowner to operate and maintain
  • Well-insulated building provides effective sound insulation and protection from outside noise
  • With no drafts the house provides superior indoor climate comfort
  • High quality ventilation equipment provides constant fresh air in your home
  • Independent third party certification insures quality of the construction and future value of your building

Modelling ultra low energy homes for certification
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