Exterior Insulation Implications on Heating and ...

URL: http://apps1.eere.energy.gov/buildings/publications/pdfs/building_america/exterior-insulation-implications-heating-cooling-systems.pdf

​The New York State Energy Research and Development Authority (NYSERDA) is interested in finding cost-effective solutions for deep energy retrofits (DER) related to exterior wall insulation in a cold climate, with targets of 50% peak load reduction and 50% space conditioning energy savings. IBACOS, in collaboration with GreenHomes America, Inc. (GHA), was contracted by NYSERDA to research exterior wall insulation solutions. In addition to exterior wall insulation, the strategies included energy upgrades where needed in the attic, mechanical and ventilation systems, basement, band joist, walls, and floors. Under Building America, IBACOS is studying the impact of a "thermal enclosure" DER on the sizing of the space conditioning system and the occupant comfort if the thermal capacity of the heating and cooling system is dramatically downsized without any change in the existing heating and cooling distribution system IBACOS and GHA investigated three separate strategies in three test houses in Syracuse, New York area: foam board in Test House 1, spray foam in Test House 2, and dense pack/high R-value windows in Test House 3.Test House 1 (rigid foam DER), had an approximate center-of-wall R-value of R-28, including furring strips for siding, with additional systems approach work to supply the complete integrated DER solution. Test House 2 (spray foam DER) had an approximate center-of-wall R-value of R-30, with additional systems approach work to supply the complete integrated DER solution. Test House 3, which was the control test house, included criteria from the Home Performance with ENERGY STAR® program.

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Last updated May 6, 2016
Created May 6, 2016
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