What Are “Passive Houses?”

In 1988, two physics professors, Bo Adamson and Wolfgang Feist began discussing the scientific components that might lead to better energy efficiency in building construction. They read the research, dating back to the 1970s, that suggested it was possible to construct a low-energy building that was designed to exploit passive solar technologies and establish a … Read more

Renovating an 18th Century Stone Barn

Africa Lao had spent her career designing homes from an office in Barcelona, so when she moved to the country to get closer to nature, she was inspired to transform a crumbling 18th century stone barn into a small, minimal dream home. Located in the middle of protected forest, the location was an urban refugee’s … Read more

Dan Price’s Underground Home

When Dan Price returned to his home state of Oregon in 1990 he was determined to avoid mortgages or rent (he and his family had just finished care taking a mansion with a heating bill of $500/month). He found an unused meadow in Joseph, Oregon, and began renting it from his neighbors for $100/year (in … Read more

Two Ecological Homes in Australia

Stuart Absalom and Philip Mawer’s home in Australia has wonderful views in every direction. The living area faces north, while the two bedrooms and bathrooms face south. The house follows the principles of passive solar in that region, including its northerly aspect, thermal mass through masonry walls, and windows thoughtfully placed for ventilation and cooling. … Read more

CobBauge House in the UK is Code Compliant

CobBauge House in the UK, designed by Hudson Architects, is the first code-compliant form of cob building, making an ancient building technique fit 21st century requirements. It combines hemp and mud in a unique way. Traditional cob walls would have to be more than one meter thick in order to comply with contemporary building regulations. … Read more