Library

2009 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

2009 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Report assessing the energy performance of the 2011 EVHA winners and to align the EVHA program with the BA program.

2012 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2015 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Federal statistics about national energy consumption in residential homes.

2018 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Federal statistics about national energy consumption in residential homes in 2020

Catalog describing FEMA preparedness seminars from 2021 including preparedness and natural hazards topics.

Webpage providing guidance on the 45L tax credit, assembling the most relevant information for Northwest builders to maximize their tax credit and build energy efficient homes.

Report discussing opportunities and trends in the U.S. home performance contracting industry, along with market drivers such as consumer demand; federal, state, and local programs; and utility and non-governmental programs.

Factsheet describing how the U.S. DOE's Zero Energy Ready Home program has evolved since 2013. This factsheet includes case studies, statistics about the program and specific building components, and a general outline of program requirements.

Article describing utility rates, net metering policies, installation costs, financial incentives, and other info for both consumers who are interested in installing renewable energy systems and for energy justice and clean energy advocates.

Document outlining the current and the proposed draws and estimates typical ratings changes from draw specification changes for typical systems in four cities.

Factsheet describing the motivation for adopting the 2021 International Energy Conservation Code and how the 2021 IECC Assemblies Tool developed by PNNL can be used to find IECC compliant whole-house assembly drawings.

Factsheet describing the challenges faced when achieving high-performance multifamily homes.

Specifications for water heating systems designed to advance higher performing electric and gas heat pump water heaters.

Voluntary specification for residential, commercial/multifamily, and industrial water heaters and heating systems.

Specification sheet for residential, commercial, multifamily, and industrial water heaters and heating systems.

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.

Document highlighting federal accessibility laws which may apply to a housing development, and common mistakes made in the field which, if avoided, will help to ensure compliance.

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 assessing the accuracy of HEST as it was being developed and to provide information useful to DOE program managers and HEST development team at Lawrence Berkeley National Laboratory.

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

Article describing how demand plumbing systems send cold water back to the water heater until hot water arrives at the sink, shower or other fixture where it is needed.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

Case study describing solar thermal and photovoltaic systems in new construction.

Article explaining the importance of regular inspections of boiler systems in maintaining their safety, lifespan, and efficiency.

Case study describing solar thermal and photovoltaic systems in new construction.

Document providing guidance to U.S. home builders who want to accept the challenge.

Case study describing solar thermal and photovoltaic systems in new construction.

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.

A website providing information on the U.S. Department of Energy's Building America Solution Center, a source for innovations in residential building energy performance, energy efficiency, quality, affordability and comfort for more than 20 years.

Website with consumer and contractor information about building codes and regulations for solar water heating systems.

Website providing information about the Title 24 building energy efficiency standards for the State of California and links to current and past standards including the 2025, 2022, 2019, and 2016 standards, etc.

Document with the Quality Control Checklist developed as both a guide to assist in the transition to high performance home building, and as a simplified tool to be used as part of any builder's on-site quality control procedures.

Training module describing the operation, efficiency, consumer and seller benefits, and cost comparison of Heat Pump Water Heaters (HPWH) against conventional gas, oil, or electric water heaters.

AHRI-hosted directory of residential products meeting CEE's highest tier

Design guide providing solutions and tools for designing central heat pump water heater systems in multifamily and other commercial buildings.

A simple three-step guide for homeowners who are looking to replace existing light bulbs with more energy-efficient, higher-performing bulbs.

Report on improving passive design adoption rates.

Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

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

List of commercial heat pump water heater systems that comply with NEEA's Advanced Water Heating Specification.

List of multifamily commercial heat pump water heater products that meet the NEEA Advanced Water Heating Specification Requirements.

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.

Two hourly energy simulation software, BEopt and Energy Gauge USA, were compared to ensure accuracy and evaluate agreement on the impact of various energy efficiency improvements.

Article introducing the FTC’s new EnergyGuide label, including estimates of annual energy usage.

Report about a hybrid condensing water heater (thermal efficiency = 0.973, energy factor = 0.95) installed in an occupied home in Sacramento, California, and monitored for one year to determine the actual in situ efficiency.