The new owners recently shared with me their energy use numbers from August 2013 through they present. They are indeed impressive, and 30% lower than our energy model predicted, with an average total energy cost of $145/month. Remember this is… read more →
This house was completed in mid-2011. We have left the blog up so that others might learn something about building Passive Houses from our process. The house has performed very close to our energy modeling projections. Average total energy costs… read more →
Last fall Ian and Lydia Kline moved from Boston to Washington and purchased our house. Brendan and I could not have asked for a more perfect family. We all thought it might be informative to the Passive House community if… read more →
It is official. We have been certified by the Passive House Institute – US as a Passive House. Because the application and certification occurred before the split between PHIUS and PHI (the mother organization in Germany), our understanding is that… read more →
Last week we signed a contract on the house! The closing will be at the end of the month. The new owners could not be a nicer family! We also received informal notice that the house has passed all certification… read more →
Posted from: MD, USA Come and see it! 4717 North Chelsea Lane, Bethesda, MD 20814. All work is now completed except for punch list items, and the house is now being shown by Sondra Mulheron, our real estate agent. Come… read more →
Highlights from Innsbruck: The 15th International Passive House Conference June 2, 2011 I have just returned from the annual Passive House conference in Innsbruck, which included around 1200 architects and builders from some 46 countries. The Passive House approach has… read more →
There is a lot of talk about net zero energy (NZE) houses. Clearly that is the goal if we are to live sustainably. But it is a difficult goal to achieve, even with a Passive House. The reason is that… read more →
Comparison of projected energy costs between this house and a hypothetical identical house built to the Energy Star standard Posted from: MD, USA During Earth Week we were asked to do presentations at NIH and DOE on this house. In… read more →