Windows & Environmental Systems

Window units almost 4 inches thick and weighing almost 800 pounds provide high R-value and long-term durability.

To position the heavy windows in the frame, a bladder inflates and gently moves the massive window into position.

Special metal brackets screwed to the window before positioning secure it to the framing.

Vapor open tape seals the exterior of the window and lets any moisture out that might get through from the inside.

Rockwool insulation made from molten rock that has been spun into fiber is dense-packed into the wall trusses.

Heat for this house is provided through geothermal ground loops that suck warmth from the ground.

Three different blower door tests show how well the air barrier on the house is performing.

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