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Right - Open-cell polyurethane spray foam to R-28 on underside of roof turns new attic into conditioned space for HVAC.

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Building America Case Study Technology Solutions for Existing Homes: Concord Four Square Retrofit

Case Study

Case study describing a four-square Concord home retrofitted by Building Science Corporation in Massachusetts.

Building America Case Study Technology Solutions for Existing Homes: Bedford Farmhouse High Performance Retrofit Prototype

Case Study

Case study describing project conducted by Habitat for Humanity of Greater Lowell (HfHGL) and Building Science Corporation (BSC).

Field Evaluation of Four Novel Roof Designs for Energy-Efficient Manufactured Homes

Reference

Report of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

40% Whole-House Energy Savings in the Hot-Dry and Mixed-Dry Climates, Volume 9

Reference

Report providing builders in the hot-dry and mixed-dry climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Attic Ventilation Fans

Information Guide

Information guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.