living building challenge visits

2013 10 17: peter doo of the living building challenge arranged a guided tour of the house. we gave a presentation that went over the engineering for our passive house certification. this included measures to insure that the house will be so air tight that air changes per hour will be below 0.6 at a pressure of 50 pascal with a blower door test, that the house will use less energy than 15 kWh per square meter of floor area per year for heating and that it will consume less than 120 kWh per square meter per year of energy from the electric company without counting the input from the home’s photovoltaic panels.

the passive house website says: “A Passive House is a very well-insulated, virtually air-tight building that is primarily heated by passive solar gain and by internal gains from people, electrical equipment, etc. Energy losses are minimized. Any remaining heat demand is provided by an extremely small source. Avoidance of heat gain through shading and window orientation also helps to limit any cooling load, which is similarly minimized. An energy recovery ventilator provides a constant, balanced fresh air supply. The result is an impressive system that not only saves up to 90% of space heating costs, but also provides a uniquely terrific indoor air quality.” the old hopkins road house is designed to be a passive house. we hope that this was evident to our visitors.

peter doo gave a presentation on how the house and lot are and will be configured to meet living building challenge requirements. please google living building challenge and have a look at the terrific work this organization is doing.

i also went over how the house will be certified to leed platinum.

it’s all so darn exciting.

follows a few photographs of the over twenty people that visited the house! it seemed that most of them drove priuses or is it priusi or prii?

a forest of praises

a forest of praises







a full house!

our visitors!

our visitors!

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