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From the 50s to 5 Star Plus Burlington Free Press October 8, 1955

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Exterior Existing Conditions

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The Wrightian Style house, used concrete block and brick cavity wall construction. Windows were twist turn sliders with fixed corner windows. Good condition brick exterior.

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The Flat Roof 10 yr old replacement rubber membrane roof was leaky

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Skylight wall housed bath fan. Perimeter of roof was raised forcing water to drain through two scuppers.

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Interior Existing Conditions

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Interior partitions were cinder block Foundation cracked and settled

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Existing Windows & Doors. Double masonry walls, window & door locations limited changes to fenestration.

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Air Barrier Strategy Careful attention to air sealing details

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Thermal Bridging Addressed!

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Thermal Values R-71 Ceiling R-28 Walls R-15 Floors U23 Doors U-22 Windows

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Framed and foamed Basement interior block partitions

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Advantech window bucks Connected interior framing to exterior masonry shell

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Basement slab treatment

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Truss prep & air sealing

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LVL load bearing

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Truss Day!

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Truss overhang connection

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Systems Existing System 2000 boiler heat & hot water 18 Seer air source Heat Pump for AC upstairs Panasonic Bath Fan Haiku ceiling fan master New HRV

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Lights & Appliances TCR Velux Sun Tunnel windowless master bath 85.7% qualifying interior lighting 100% garage lighting 440 kwh/yr refrigerator.77 Dishwasher Energy Factor Range propane Electric Clothes Dryer EF washer

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Costs, High Performance vs. Std Cost of doing nothing What does standard mean? Standard is broke!

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Be flexible adapt to your building

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Happy Home Owners We are thermal envelope believers! Thank You! We are thermal envelope believers! Thank You! Something is wrong with our house? Something is wrong with our house? Its zero outside, the heat is off and its 73 in here? Are we doing something wrong? Its zero outside, the heat is off and its 73 in here? Are we doing something wrong? Barb & Tim

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Lessons Learned I would have used Platon instead of Homeslicker for subfloor drainage plane. I would have used a smaller dia. Sun tube

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