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Report presenting a cold climate project examining and alternative approach to ground source heat pump ground loop design.

Report presenting the process of a residential retrofit project for houses in the states of Florida and Alabama, including findings at the time of reporting and highlights of the first home to meet the target HERS Index of 70.

Report examining performance measures in the context of a large-scale renovation project.

Report describing a deep energy retrofit project for a two-family wood framed home located in Belmont, Massachusetts.

Report evaluating the renovation of a 5,800-ft2, multiuse facility located in St. Petersburg, on the west coast of central Florida, in the hot-humid climate.

Report discussing the benefits of modern evaporative cooling systems for use in hot dry climate zones.

Report briefly reviewing past research on the effects of occupant behavior on residential energy use and then covering a two year pilot evaluation of a low cost residential energy feedback system installed in twenty case study homes in Florida.

Report studying the specification, implementation, and energy savings from an EER in a group home, with an energy savings goal of 30%.

Part I of the Guide addresses walls constructed with 2x6 wood frame studs, wood structural panel (WSP) sheathing as exterior sheathing, gypsum board as interior sheathing, and a cladding system installed over WSP sheathing in low-rise residential buildings up to three stories in height. Walls with...

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

A report describing six mechanical ventilation strategies that were evaluated for their ability to control indoor humidity levels over 14-day periods with simulated occupancy.

Report evaluating the accuracy of the regression technique used in 2006 by using the same least-squares regression analysis on data created from hourly energy simulation software.

Document presenting results from testing prototype HVAC duct system designs that would locate the entire length of duct work within the air and thermal barriers of the building envelope. These include one that incorporated a high-side supply register, one that utilized a single soffit located within...

Research study describing how envelope modifications in heating, ventilation, and air conditioning, and domestic hot water and renewable resources can result in considerable energy reductions, using the first full year of detailed data collected about a single-family home that experienced a series...

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel sheathing (WSP) as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 inches thick over the WSP, and a cladding system installed over the foam sheathing in low...

Resource that can be used to comply with section 4.1.1 of Version 1.2 of the WaterSense New Home Specification or to ensure a measure of efficiency and regional suitability for the amount of water applied to a landscape based on local climate data.

Information sheet about types and installation of insulation.

Report on adding insulation to load-bearing mass masonry buildings.