Uploaded June 2026 | Updated September 2026, 2 weeks ago

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Doug Tarry made the switch to building all of his homes to a net zero ready standard in 2019.
He didn't just want to build net zero, he wanted his homes to be affordable as well. So he sought great advice, and applied his own innovations and settled on a winning formula for building super comfortable, super energy efficient homes.
Here are the five key features that define a Doug Tarry net zero home.
Chapters
0:00 Intro
0:38 Leading builder of net zero homes
1:14 How sales describe net zero
1:48 (1)Air Tightness
2:06 (2) Envelope – Continuous Insulation
2:25 (3) Windows
2:55 Heat and Fresh Air
3:11 (4) Air Source Heat Pump
4:36 All electric homes = no gas bill
5:12 (5) Fresh Air and Heat Recovery (ERV)
6:13 YWCA Net Zero Ready Tiny Homes
6:54 Doug Tarry’s Book
7:04 Steve Rolston learning from Doug Tarry
7:36 Chasing Net Zero extro