The two-story house relies on ambient ground temperature to naturally heat and cool the interior.

A net-zero West Hills home built into the natural hillside with walls buried below grade is on the market for $1.495 million.

Known as an “Earthship” because the homes are built in and of the Earth, the three-bedroom, 3,607-square-foot residence with two bathrooms is one of a kind in California.

California earthship for sale

The two-story house relies on ambient ground temperature to naturally heat and cool the interior, from the great room off the kitchen to the primary suite.

Thick load-bearing walls comprised of earth-packed tires pounded into place like bricks store heat when the sun enters the south-facing floor-to-ceiling windows. They release heat into the living space when the temperature drops.

In the summer, the interior remains cool thanks to air convection through the home’s 10 operable skylights. According to co-listing agent Marc Hernandez of the Marc Hernandez Group at Compass, it “provides an opportunity to live responsibly off the grid.”

Solar panels additionally generate electricity to power lights, ceiling fans and appliances on-site.

Matthew Witek of Compass shares the listing.

“Earthship” is the brainchild of Michael Reynolds, who collaborated on the self-sufficient bio-home with the owners now selling it.

Completed in 2002, it sits on a 2-acre-plus lot landscaped with native, drought-tolerant plants.

There’s a detached two-car garage in addition to the “completely autonomous, self-sustaining and architecturally-pleasing ‘Earthship,” Hernandez said.

Reynolds initially came up with the concept after earning an architecture degree from the University of Cincinnati in 1969 as a response to widespread concerns over pollution and the lack of affordable housing.

The Earthship Biotecture company is featured in the 2007 documentary “The Garbage Warrior.”

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There are several reasons why someone might consider purchasing an Earthship in California. First and foremost, Earthships are environmentally-friendly and sustainable homes that are designed to be self-sufficient and off-grid. This means that they can provide their occupants with their own sources of power, water, and waste management, reducing their reliance on traditional utilities and allowing them to live a more independent and self-sufficient lifestyle. Additionally, Earthships are made with natural and recycled materials, making them a sustainable and eco-friendly option for anyone looking to reduce their carbon footprint. Finally, California has a mild climate and plenty of sunny days, making it an ideal location for an Earthship that relies on solar power and other renewable energy sources.