Keystone Energy Technicians Home
Certification Program
Insulated to a minimum of R-30
ceiling and R-13 walls
Roof shingles are 30 year, 40 year, cedar shake and
pre-finished aluminum standing seam, as shown
Aluminum downspouts and half round gutters
Engineered floor joist system
Poured concrete foundation walls
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Low E insulated windows
Energy efficient fiberglass front door units
Wet bed tile flooring in bathrooms
Frost free hose connections at front and rear
of each home
Exterior weatherproof electrical outlets at
front and rear
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