Tips for a Net Zero House

Tips for a Net Zero House

The house we built with Forge Craft Architecture is stunningly handsome, but also VERY high performance. I’m proud of this #BUILD.

Tips for a Net Zero House

This Forge Craft Architecture house is well designed with rich spaces, yet it’s only 2,000 square feet. Note the built-in dining nook off the kitchen.

Tips for a Net Zero House

Tips for a Net Zero House

Owens Corning’s Energy Complete system includes a pink goo that’s a cross between spray foam and latex caulk. It is a good way to get a lower blower-door score.

Tips for a Net Zero House

Tips for a Net Zero House

We used Tremco Dymonic caulk at the slab-to-bottom-plate connections, for additional air-sealing.

Tips for a Net Zero House

Open-cell foam was used at the roof deck, and blown fiberglass at the exterior walls. Batts were used on interior walls for sound control.

Tips for a Net Zero House

California (3-stud) corners are a great advanced framing method to ensure corners are insulated all the way back.

Tips for a Net Zero House

Look for my advanced framing video for more on making these insulated headers.

Tips for a Net Zero House

24-inch-o.c. 2×6 studs lined up nicely with the load path of the trusses above.

Tips for a Net Zero House

We used Tyvek DrainWrap on the walls, then covered them with 3/4-inch R-mate foam that has a silver facing for additional radiant barrier. Notice the horizontal rainscreen for the vertical wood siding on the front of the house.

Tips for a Net Zero House

We glued it to the slab, then later shot Hilti cap nails through it. Eventually it got a Sto synthetic-stucco finish in grey to look like a standard slab.

Tips for a Net Zero House

We wrapped the slab foundation with Bora-Foam, which is EPS impregnated with borate to resist termites.

Tips for a Net Zero House

The guys from Termi-Mesh did a great job installing our foam.

Tips for a Net Zero House

It took a few steps to ensure termites would be stopped if they tunneled behind the foam.

Tips for a Net Zero House

I like how this AirTap-brand water heater can be ducted in and out so it can be located in a small closet, if needed.

Tips for a Net Zero House

Panasonic’s fantastic ERV lives in the mech close, too, in the ceiling above the HP water heater.

Tips for a Net Zero House

The 7.2 Kw array was kickin’ when we filmed this video.

Tips for a Net Zero House

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