What is a passive house?
A house that does nothing.
A very efficient house.
It's an extra large house.
Complete the sentence. Passive houses are common in Europe but _____ in the United States.
typical
rare
expensive
In the US, how much more does it typically cost to build a passive house than a conventional house?
20 percent more
50 percent more
75 percent more
After nearly a year, how much of the house has been built?
The house is finished.
The foundation, central beams and walls.
The house is still in the planning stage.
What should the Landaus do if their new house gets too warm?
Go outside.
Open the window.
Fill the bathtub with cold water.