Ryan has lived in a passive home for five months. These are the pros and cons

You need to get out of bed, but there's one big thing stopping you: it's the middle of winter and your house is freezing.

Ryan Moody said goodbye to mornings like these in May.

Just before another biting winter in Rye on Victoria's Mornington Peninsula, the architect/builder moved into his biggest project yet — a "passive" home three years in the making, documented on the latest season of Grand Designs Australia.

Stream Grand Designs Australia on ABC iview

Architecture Professor Anthony Burke is back with a brand new series of Grand Designs Australia following some truly brave home builders taking on the challenge of a lifetime.

Certified passive houses — or Passivhaus as they're called in Germany, where the standard originated in the 1990s — use very little energy thanks to high-perf