Library

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

Report about a deep energy retrofit Cool Energy House.

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

Information sheet describing solar hot water systems in existing homes.

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

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

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

Guidance from HUD on how to restore homes following natural disasters in Puerto Rico.

Guidance from HUD on how to restore homes following natural disasters in Puerto Rico.

A fact sheet providing homeowners with guidance on properly securing water heaters to prevent them from tipping in an earthquake.

Report from FEMA describing techniques for floodproofing structures.

Report describing construction of test homes in Atlanta, GA meeting Building America savings targets and serving as a basis of design for other homes Martin Dodson plans to build within the Serenbe community.

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.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

A website providing information on how to properly size a water heater based on tank size, volume, peak hour demand and other factors.

Paper describing the development and testing of an affordable net-zero energy house in Lenoir City, Tennessee.

Fact sheet outlining the research behind how smart ventilation controls boost energy efficiency and indoor air quality, including research findings from seasonal temperature, timer, and real-time weather-based controls showing that all three systems showed potential for energy savings while...

Website providing consumers with resources to find, select and install heat pump water heaters.

Report providing a synopsis of a project to evaluate the performance of a roof-integrated solar water heating system.

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.

Outlines the minimum criteria for a solar water heating system installed by a Solar Water Heating Program trade ally under Energy Trust of Oregon’s Solar Water Heating Program.

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.

Standard that defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings; published in the year 2019, and is available for preview and purchase at the...

Standard that describes the minimum requirements for residential buildings to achieve acceptable indoor air quality via dwelling-unit ventilation, local mechanical exhaust, and source control. This version of the standard was published in the year 2022, and is available for preview and purchase at...

Document identifying differences between the requirements for construction documents for high performance housing and the documents that are typically produced for conventional housing.

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.

Report intending to provide useful information as the DOE/BA develops and implements comprehensive communications and outreach strategies for demonstration homes.

Document targeting retrofit program managers, retrofit contractors, policy makers, academic researchers, and non-governmental organizations that work to realize energy savings from home energy upgrades (HEUs).

Document serving as a starting point that features initial tools and resources for teams to start collaborating to continually improve the energy efficiency and durability of new houses.

Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

A report describing methods for constructing homes and treating soils to reduce the risk of termites in buildings.

Report evaluating a test home built in Atlanta, GA in the mixed-humid climate zone. The report outlines the features of the house, discusses the implementation of the energy efficient design, and presents the results of short-term characterization testing.

Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.

Document about NREL's repository of residential building characteristics and historical energy use data, used to improve accuracy of residential energy analysis tools.

Research study exploring retrofit procedures and simulated post-occupancy data for three homes in an effort to determine the effectiveness of retrofit packages.

Report using data from various sources to characterize the impact on human health and property damage from indoor environmental quality and other hazards.

Report outlining a case study about a building project in the hot-humid climate zone.

Article from Texas A&M University and the University of Maryland analyzing why and how urban flooding happens and what can be done to mitigate damage.

Fact sheet poster describing a series of fact sheets and checklists for homeowners to share with contractors to help achieve cost-effective, energy-efficient retrofits for dozens of common home renovation projects.

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Case study of new home construction in the hot-humid climate.

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Report providing a strengths, weaknesses, opportunities, and threats (SWOT) analysis inherent to different models as a way of thinking about the transition from traditional business models into a viable model for delivering deep energy retrofits.

Report about seeking a 30% source energy savings targets over a comparable 2009 International Energy Conservation Code-built home in the cold climate zone, using simple measures.

Report developed for Habitat for Humanity about lessons learned from demonstration retrofit projects undertaken by Habitat for Humanity affiliates in New York, Maryland, and Pennsylvania; with building systems consulting and technical assistance provided by Steven Winter Associates.

Research study identifying barriers, industry status, critical obstacles to documenting added value from energy efficiency improvements, current opportunities to support reporting about energy efficiency, and next steps toward enabling energy efficiency financing market transformation.