Sophab News

Notes on solar-passive living

Nineteen metres of south-facing conservatory, a lot of thermal mass, and no furnace at all.

Amory Lovins built his greenhouse as the thermal core of the house, not a room bolted on.

Earthships put a glazed corridor between you and the desert — and grow dinner in it.

A greenhouse-and-home built to feed a family through an Atlantic Canadian winter, fossil-fuel free.

Bengt Warne built a timber house inside a glass shell — and then waited thirty years for company.

People have been living inside glass for half a century. Here's what they learned.

A free DIY plan for a cover over your heat pump — and a head start for your whole home.

We're #1 for carbon per capita in the G7 — and the fix isn't building new.

Why the curved shell is glazed in polycarbonate, not glass.

The right tree in the right spot shades summer and welcomes winter sun.

A south-facing wall is the prize — here's how to tell, and why it matters.

The lowest-carbon square foot is the one that's already built.

Buried pipe, stable ground, tempered air — the simple physics behind the loop.

A greenhouse that grows food year-round on stored solar heat and tempered air.

The ground below the frost line stays a steady temperature all year. Earth tubes put it to work.