Library

Case study providing homeowners guidance on installing window air conditioners.

Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

This report describes research conducted to evaluate air transfer between the garage and living space in a single-family detached home constructed to the 2009 IECC by a production home builder in Maryland.

Case study examining the problem of unwanted air transfer from garage to living space and the effectiveness of garage exhaust ventilation or house supply ventilation to provide a solution to that.

Research report describing study of interior and exterior air sealing techniques to stop ice dams in five 1.5-story retrofit homes conducted by the NorthernSTAR Building America Partnership team run by University of Minnesota.

Report that collected field data from a whole-home program in Illinois are utilized to compare marketplace-installed measures to the energy saving optimal packages previously developed for 15 housing types.

Report outlining workflow and results of regression models on monthly and daily utility data (meter readings of electricity consumption), outlining a process for screening and gathering useful results from inverse models.

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Report describing partner approaches to achieving the Building America goal of 30% whole-house source energy savings using packages adopted at the community scale, using building projects in Florida as a reference.

Report focused on foundation insulation R-values for cold climates and the design, construction, and performance implications.

Report describing methodology, analysis, and findings from a case study of a 110-unit retrofit of gas tankless water heaters in a hot/humid climate in Alachua County, Florida.

Report summarizing commissioning, short-term testing, utility bill data analysis, and results of on-site monitoring of a deep energy retrofit.

Information sheet about reservoir claddings.

Information sheet providing details on the vapor permeance of different types of materials used in building assemblies.

Case study about Artistic Homes of Albuquerque, New Mexico, the first home builder in the United States to offer true net zero energy construction to the average home buyer on every home it builds.

Expert meeting focusing on identifying gaps and barriers in combustion safety that need to be addressed by future research, and to develop data-driven technical recommendations for code updates so that a common approach for combustion safety can be adopted by all members of the building energy...

Guidance document providing BA research teams and partners with specific information and approaches to identifying and overcoming potential barriers to Building America (BA) innovations arising in and/or stemming from codes, standards, and rating methods.

Web report explaining how correct filter sizing is an issue that applies to all new and existing homes that use ducted HVAC systems.

Reference investigating the strategy of using buried and/or encapsulated ducts to reduce duct thermal losses in residential buildings.

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

Report describing findings from a multifamily test home focusing on the combination of energy measures that are feasible, affordable and suitable for multifamily construction in cold climates.

Report on the stability of furring strips as a means for cladding attachment over walls with thick exterior rigid insulation.

Research study investigating the energy performance and cost effectiveness of several state-of-the-art retrofit strategies that could be used in residential houses in the Boston and New England area.

Research study describing an experimental and theoretical investigation of the energy and hygrothermal performance of retrofit foundation insulation systems in climate zones 6 and 7.

Report summarizing one year of monitoring and analysis of the effectiveness of a space conditioning system at maintaining temperature and relative humidity levels in a test home, as well as room-to-room differences and the actual measured energy consumption by the space conditioning system.

Report documenting the results of an in-depth evaluation of thermal comfort for two potential net zero-energy homes (NZEHs) in Massachusetts.

Report about instrumentation and limited short-term testing completed on a retrofit unoccupied test house in Fresno, California.

Research report providing a comparison of the most common residential water heating technologies to determine energy-efficient and cost-effective water heating technologies are when subjected to a variety of typical operating conditions.

Research study comparing various retrofit models in Wisconsin to evaluate performance in terms of savings per home and program cost per home to assess the relative cost effectiveness of each program design.

Document presenting step-by-step process for installing rigid insulating sheathing over wood studs or house wrap.

Research report anayzing the results of a large retrofit project, turining an old school into near zero energy consumption apartments in Greenfield MA.

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.

Report focusing on building envelopes that have been enhanced with phase change materials (PCMs), which can simultaneously reduce total cooling loads and shift peak-hour loads.

Research study evaluating energy savings and cost effectiveness of installing low-emissivity (low-e) storm windows over existing windows in residential homes in all climate zones.

Report describing the progress toward and issues related to developing a usable, standardized, empirical data-based software accuracy test suite.

Report presenting a parametric analysis using a numerical model of a new concept in desiccant and evaporative air conditioning.

Report outlining the issues with using existing ducts with a new low-load HVAC system, which reduces throw at supply registers causing decreased mixing of supply and room air, leading to potential thermal comfort complaints.

Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

Research report with results from field tests in two homes in Austin, Texas, from October 2011 to June 2012 to evaluate the comfort performance of ductless mini-split heat pumps

Report demonstrating how the initiative achieves Building America (BA) goals of 30%-50% energy savings in multifamily dwellings in the hot-humid climate zone.

Journal article presenting a discussion of the state-of-the- art in electricity management in smart homes, the various enabling technologies that will accelerate this concept, and topics around consumer behavior with respect to energy usage.

Report outlining the steps of translating a new home construction scope of work (SOW) to SOW for retrofit.

Research study examining efficiency retrofit opportunities, typical renovation practices, and pathways for achieving U.S. Department of Energy (DOE) goals for existing homes in Florida.

Report investigating performance and energy savings potential of heat pump water heaters.

Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Report using pre- and post-system upgrade data to analyze the energy savings associated with Iowa's HVAC SAVE program for space heating.

Report describing the evaluation and selection of ventilation systems for homes retrofitted for energy aesthetic and health/safety improvements in Las Vegas.

Report exploring feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25% source energy savings.

Report analyzing results in crawlspace retrofits in multifamily buildings.

Report summarizing post-retrofit results for 13 existing homes in a deep energy retrofit pilot program.