Library

Report describing steps homeowners can take to improve the indoor air quality in their home, including ventilating, preventing pests, and reducing pollutants in the home.

Information sheet designed for the residential construction and remodeling industries, as well as owners and managers working in affordable housing. This sheet presents building guidance for both new construction and rehabilitation, as well as practices that can be used by property maintenance...

Report covering the reconstruction of flood damaged homes.

Report including an overview of the buried duct research and information the retrofit methodology used to install and test the three existing duct systems, including short- and long-term data collection.

Information sheet describing refrigerant line installation and system startup procedures.

Report researching cost- effective solution packages for significant energy efficiency and indoor air quality improvements masonry multifamily urban buildings.

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...

Document containing some of the basic characteristics for energy performance, durability, thermal comfort, and indoor air quality that should be met in all high performance homes.

Research study identifying the best performing, most energy-efficient and cost- effective techniques to provide controlled mechanical ventilation and humidity control in hot- humid climates with thermally efficient building envelopes.

Presentation providing information about correctly installing ductwork in new and existing homes.

Report aimed at gaining a better understanding about benefits, challenges and technologies associated with natural gas feedback systems.

Report evaluating mechanical AC precooling strategies in homes as a method for improving the load factor by shifting cooling operation from on-peak to off-peak hours.

Report describing how modification of model specifications to include guidance on energy efficiency measures can create a greater level of consistency in executing energy efficiency retrofit measures across the multiple regions where a developer may work.

Report summarizing the results of laboratory testing of 20 advanced power strip products.

Report describing research efforts focused on examining the audit reports for quality, comprehensiveness, and consistency.

Research study about a high performance retrofit of an existing brick building (a former convent) into condominiums, all affordable housing.

Report identifying the steps to take, with the help of a qualified home performance contractor, to seal unwanted air leaks while ensuring healthy levels of ventilation and avoiding sources of indoor air pollution.

Report on air-sealing programs for energy-efficiency retrofits.

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

Report about cost effective energy-efficient upgrades that can be implemented in the hot, dry Southwest climate.

Report about a deep energy retrofit Cool Energy House.

Information sheet about insulation retrofits for the hot-dry climate zones.

Information sheet about exterior insulation in the hot-dry climate zones.

Information sheet about HVAC equipment design to maximize energy efficiency in the hot-dry climate zone.

Information sheet describing solar PV upgrade for an existing homes.

Information sheet describing tankless hot water heating systems in existing homes.

Information sheet describing solar hot water systems in existing homes.

Information about a roof retrofit using a metal, cool roof system.

Information sheet describing tankless hot water heating systems in existing homes.

Information sheet about envelope and roof moisture control retrofit for a home.

Information sheet about window retrofit strategies for hot-dry climates.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Factsheet describing air-sealing.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

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 comparing the performance of seven differing types of residential water heating systems in a side-by-side test configuration over a full year period.

Document about testing of seven water heating systems in the Hot Water Systems laboratory in central Florida.

Website describing how solar water heaters -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home.

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

Report addressing barriers to information, contractor resources and cost savings associated with steam balancing multifamily buildings.

Report about results of 10 test buildings in Chicago, studied to identify best practices for methodology, typical costs, and energy savings associated with steam system balancing.

Report providing information based on research and case studies, to remodelers and consumers about opportunities to increase home energy performance.

Report about the impact on the loads when common safety factors are applied to the load calculation process using two houses that meet the 2009 IECC prescriptive path modeled as the accurate baseline.

Report following the evolution of the construction quality process from its development for new homes to its application construction of a HPH with enhanced specifications, and its application in a crawlspace renovation.

Document explaining the benefits of evaluating and identifying energy efficiency retrofit measures that could be made during renovation and maintenance of multifamily buildings.

Document offering methods to greatly reduce lighting energy use through the application of high quality fluorescent and light emitting diode (LED) technologies.