Library

Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

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

A quick-reference guide advising homeowners on how to elevate and protect outdoor HVAC equipment from high winds and floods.

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

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.

Article describing how replacing permanent split capacitor (PSC) motors with electronically commutated motors (ECM) can boost bottom line for HVAC contractors as well as improve customer comfort and satisfaction.

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 about envelope and roof moisture control retrofit for a home.

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

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.

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.

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

Manual that identifies certain leakage limits for ducts and outlines procedures for testing ducts for conformity with air leakage limits that are set forth in a designer’s project specification.

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...

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...

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.

Information sheet about buried ducts.

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

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.

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

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.

Research project evaluating the pre-and post-retrofit energy consumption of a marine climate retrofit, compare actual energy use to original predictions, and identify opportunities for cost savings in other similar retrofits in this climate.

Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.

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.

Document about laboratory testing of five integrated heat pump water heaters (HPWH).

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.

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.