Date post: | 24-Dec-2015 |
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Solar Tour Montpelier
Emily HartzIra Marvin
Michael McDonald
The Geodesic Dome
Construction
•Frame kit available from Timberline
•8 inch walls
•Cellulose hard packed insulation
•Foam block form foundation
$10,000 more, but R value 50 buried and R value 19 in the air
Interior
Woodstove
Radiant floor
Joists need reflective material
Cupola on top floor
House is designed to accommodate accessibility additions
Two Bedrooms
Photovoltaic System
4 panels
6 would be ideal
85% Summer
65% Winter
$2000 per panel
Back-up propane generator
Power Storage27 kwh Battery Bank
1 wet cell lead acid
Some loads are DC direct from battery
lights
answering machine
telephone
well pump
Back-up Propane generator
Max power controler
Allows panels to operate most efficiently
Adds 30-40%
John’s HouseRough Lumber from Local Mill
Spruce Siding from Local Mill
Roof Slate Recycled from Old Barn
House is Super Insulated (R 30 walls dense-pack cellulose)
Casement Windows are R 6
Heat w/ Wood, 1 cord/winter
Back-up radiant heat
1400 square feet + basement
Greenhouse is mostly recycled
Double Pane Glass in Greenhouse
Greenhouse Wood is Salvaged old-growth Cypress
NO PLYWOOD!
Interior
On a Sunny Day in Winter, 100% of heat from Passive Design
Clear story and Cupola Provide Cooling Draw in Summer
Ventilation Fans for Fresh Air
Wood heat from Old Kitchen Cook Stove
Lights, water pump, refrigerator, stereo all DC
Total use of 2kw/day!
Propane hot water and back-up generator