Library

Report describing research testing results on roof truss to wall connections in light frame wood systems.

Technical report describing the evaluation of four different ventilation strategies for providing make-up air in high-performance, new construction multifamily buildings in the Northeast, emphasizing the challenges posed by increasing airtightness standards and the variability of system performance...

Article explaining what a continuous load path is and the key connection points that make it up.

Report describing a project focused on the use of home energy ratings as a tool to promote energy retrofits in existing homes.

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.

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Report describing a simple and general way to generate House Simulation Protocol (HSP)-consistent internal sensible and latent loads in unoccupied homes.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

The FPC Monitoring project has evaluated radiant barrier systems (RBS) as a new potential DSM program.

Website with prepopulated information about the United States renewable resources.

Report detailing field walk-through evaluations, energy simulations for projected savings with exterior insulation upgrades, building envelope energy improvement cost estimates, and installation and maintenance of monitoring equipment and data.

Research report presenting results of short term tests on measures used in an energy efficiency retrofit project in California.

Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.

Report describing a laboratory assessment that provides insights into space requirements and venting strategies for heat pump water heaters (HPWH) to enhance retrofit installations and provide actionable guidance for manufacturers, designers, engineers, installers, and owners.

Report discussing the potential energy savings of new high-efficiency downlights, and the results of product testing to date.

Article describing the causes that form ice dams, as well as solutions for preventing future ice dams on roofs, focusing on air sealing to prevent hot air leakage.

Report sumarizing results of an ICF investigation of side-by-side houses in Knoxville, Tennessee.

Information sheet presenting the correct methods for building an insulated cathedral ceiling.

Information sheet presenting techniques for installing cellulose insulation.

Website blog with guidance about calculating heat-loss.

Article from Montana State University Extension explaining how proper insulation techniques can greatly reduce the risks of ice dams on roofs in cold climate zones.

Guide discussing observations, recommendations, and technical guidance as a result of Hurricane Katrina

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

Article describing issues with condensation in unvented attics insulated with open-cell spray foam.

Article outlining the casuses and solutions for ice dam problems.

Article describing the effect metal roofs have on thermal performance in hot-humid climates.

Article explaining installing cavity insulation.

Research study describing field testing performed in 32 two-story Florida homes to characterize wind washing failures of the house air and thermal boundary.

Report describing the results of a 21-home field study investigating the effectiveness and failure rates of whole-house mechanical ventilation systems installed in Florida homes over the last 15 years.

Article discussing the downside to recessed can lights.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

PDF literature review of the impact and need for attic ventilation in Florida homes.

Report using a field test plan to evaluate the success of implementing energy efficiency upgrades at the community scale incorporating whole-house systems integrated measures package (SIMP).

Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

Guideline describing the importance of the different types of multifamily building attics and their unique challenges, and outlines strategies and materials used in air-sealing them.

Project discussing buried or encapsulated ducts and their pros and cons.

Measure Guideline describing how to assess and carry out the isolation of natural draft combustion appliances from the conditioned spaces of low-rise residential buildings.

This measure guideline provides guidance on combustion safety inspection procedures for appliances and heating equipment that use indoor air for combustion and dilution of flue gases in low-rise residential buildings.

Guideline describing information and specifications relevant to air-seal existing attics.

Repor ourlining testing results from a 53 home monitored sample, long-term energy use of electric resistance clothes dryers.

Report describing a lighting and smart power strip retrofit evaluation that was conducted on 56 all-electric, existing Florida homes to see how lighting and miscellaneous electric loads might be reduced.

Report describing an analysis method for determining optimal residential energy efficiency retrofit packages and applies the analysis method to a 1960s-era home in eight U.S. cities.

Standard that prescribes a testing method to determine the efficiency of space heating and/or cooling thermal distribution systems under seasonal and design conditions. This version of the standard was published in the year 2014, and is available for preview and purchase at the reference link. The...

Report covering the selection of roof vents for rainwater resistance.

FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.

FEMA Mitigation Assessment Team Report describing damages from Hurricane Michael in Florida in Oct. 2018 and recommendations for future hurricane preparedness.

Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.

Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.

Guide providing information on controlling attic ductwork sweating.

Document about development of a new test procedure to increase the quality and accuracy of energy analysis tools for the building retrofit market.