House in the Hill

My wife Patricia and I are building an energy efficient, earth sheltered house into a southeast facing hillside. The sun and a masonry stove will heat the concrete structure, and Passive Annual Heat Storage will moderate its interior temperature year-round.

Sunday, June 22, 2014

One Cold but Comfortable Winter

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Where has the time gone? Sixteen months have passed since I last posted. Since then we have come to know our house much better, and so far o...

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Sunday, February 24, 2013

How Did January and February Go?

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This winter was considerably colder than last, and we burned more wood. But we have enough seasoned black locust and hedge apple to last sev...

4 comments:

Friday, February 22, 2013

Masonry Heaters: High-Performance Masonry Heating

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Masonry Heaters: High-Performance Masonry Heating

Thursday, January 3, 2013

We Have Settled In

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December was a month for experimenting. Over the summer we had used the heat pump just enough to keep the humidity level at 50%, which als...

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Friday, December 21, 2012

First Day of Winter

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Here it is 11:00 AM and I should be freezing cold. Well, it's currently 21°F outside, and I'm sitting here in the morning sun sweati...

Wednesday, December 12, 2012

How is the PAHS System Working Today?

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As I start writing this blog, it is 12:00 PM, 12/12/12, and sunny, and the outdoor temperature is 49°F. Night-time temperatures have been in...

1 comment:

Monday, December 3, 2012

This and That

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So how does our solar-heated house perform today? Try this if you can. Go into a neighborhood where fancy, three-story, million-dollar Mc...

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About Me

Roger A. Wehage: I received a BS EE, 1967 and MS ME, 1977 from Iowa State University and a PhD ME, 1980 from The University of Iowa. I have been developing multibody dynamics algorithms and computer software since the late 1970's. I have developed and applied comprehensive 3D models of more than one hundred off-road and earth-moving machines. In the past ten years or so, I have been studying energy-efficient house design.

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