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Green Building Resume / Casey-Welch Residence
Chris Parlette, senior architect at Wilson Associates, worked closely with owner/builder Ed Welch to integrate as many green building practices as were feasible within design and budgetary constraints.
The following is a summary of the eco-friendly elements of the project:
Solar Electric Power—18 roof-mounted photovoltaic panels combine to form a 3kw system. In 14 months of usage, the system has produced over 6000Kwh, a yield of approx. 425 kw per month, enough to handle most of our needs.
Solar Water Heater--300K Series Solahart Black Chrome...80 gallon roof mounted tank that gravity feeds the house...saves 60-90% water heating consumption.... DBL coated ceramic lining for durability and insulation...ultra-high efficient absorber with Black Chrome selective surface to maximize the absorption of available solar energy.
On-demand backup water heater—Noritz America N-069M, designed for medium-sized residences allows for 80-85% efficiency, heating only water that is needed, typically cutting water heating costs up to 50%.... used in combination with the Solahart water heater, the system allows for optimal energy efficiency.
Radiant Floor Heat—the boiler, a Lennox Model GWB9, allows 'up to 90% Efficiency Rating', an Energy Star rating which exceeds all EPA guidelines.... the cast aluminum heat exchanger transfers heat up to three times faster than the traditional cast iron exchangers.
Windows—Loewen, Heatsmart Plus window system, uses argon gas and low E technology to save on heating and cooling costs.... aluminum clad wood windows using 88% certified Douglas Fir...Loewen has Forest Stewardship Council (FSC) chain of custody certification.
Recycled Lumber Products—recycled Douglas fir, cedar, and redwood, obtained from Crossroads Lumber, were used in the following areas: front trellis structures, exterior soffit and eave details, exterior stair treads, interior great room ceiling, all interior trim, all interior doors, and all cabinetry, except the kitchen, utilized recycled wood for face frames and doors.
FSC Certified Wood—75% of the kitchen cherry was purchased certified from Earthsource and all 80 dovetail drawers in the house were made from certified maple.
SIP Panels-The great room addition, designed not to need ventilation, used structurally insulated panels on the roof to provide optimum insulation.
Back Deck material—Trex accent decking made primarily from a combination of recycled plastic grocery bags, reclaimed pallet wrap and waste wood.
Exterior Stain-Cabot Low VOC formula semi-transparent 6300 series.
Radiant Barrier-Reflective layer stapled to underside of roof sheathing to reduce exterior heat conduction.
Plumbing Fixtures—Low Flow faucets and showerheads plus low flush toilets.
In addition, the builder and architect tried to use the most durable products available such as interior integral color plaster which never fades, concrete countertops and hearth, and 40-year composition shingle roofing.
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