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.

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.

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

Report providing guidance on wet floodproofing crawlspaces, unfinished basements, and garages.

Report providing guidance to homeowners and business owners on protecting crawlspaces from flood damage.

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.

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.

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

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

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

Report aimed to quantify the impact of closed crawlspaces in new homes, and investigate modeling software to ensure accuracy of energy consumption predictions in these homes.

Guide about designing and installing closed crawlspaces in the Southeast.

Article describing how closed crawlspaces can do "double duty" by controlling moisture and providing energy savings.

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 outlining how conditioned crawlspaces perform better than vented crawlspaces in terms of safety, health, comfort, durability and energy consumption.

Article discussing whether or not to seal and insulate crawlspaces.

Webpage describing the benefits of installing insulation on a water heater, including descriptions of different types of tank insulation.

Webpage providing a guide for homeowners to follow when installing a water heater blanket on their electric resistance water heater.

Checklist describing solar water heating recommendations per the DOE Zero Energy Ready Home program.

Factsheet describing how to secure water heaters to resist seismic activity.

Guide provides homeowners ways to prepare for an earthquake and protect a home against earthquake damage.

Free online tool for sizing central heat pump water heater systems.

Technical report evaluating the effects of heat pump water heaters on heating and cooling energy usage in laboratory homes.

Informational guide describing the benefits, functionality, and cost savings of ENERGY STAR® certified heat pump water heaters, addressing common misconceptions and highlighting incentives.

An engineering design guide for hydronic heat loops, discussing the features and advantages of condensing boilers.

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

Report describing the in situ performance evaluation of newly released heat pump water heaters (HPWHs), highlighting their energy and cost savings potential compared to conventional electric resistance water heaters and other alternatives, based on data collected from installations in Massachusetts...

A webpage discussing how water heater expansion tanks operate and how to repair them.

Article describing methods to manage moisture, rainwater, and vapor in basements and crawlspaces.

Handbook providing guidance on the design and construction of foundations for homes, including insulation, air sealing, and water management details for basements, crawlspaces, and slabs.

Article describing what the building codes say about frost-protected shallow foundations as a cost-saving alternative to conventional concrete foundations.

Guides describing frost-protected shallow foundations as an alternative method for building an energy-efficient foundation for a house in a cold climate that uses less concrete and saves on labor.

Article describing frost-protected shallow foundations with construction drawing details.

Standard that applies to storage water heaters, instantaneous water heaters, and circulating water heaters including booster water heaters; the current version of this standard was published in the year 2019 and it is available for purchase along with a digital preview on the ANSI webstore page.

Report describing the cost-effectiveness and performance of all-electric, zero net energy multifamily buildings in California, detailing technical challenges and providing recommendations for design, construction, codes, standards, and operations to support future projects.

Report describing the advantages and best practices for installing heat pump water heaters (HPWH), highlighting their improved energy efficiency, reliability, and critical considerations such as condensate management, proper sizing, and optimal installation location to enhance performance and...

Report describing the features, benefits, and best practices for the design and installation of heat pump water heaters in new low-rise multifamily buildings, highlighting their efficiency, reliability, and contribution to decarbonization goals.

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.

Guide providing detailed selection and installation instructions for heat pump water heaters.

Provides consumers with general information on solar water heating systems and how to select a contractor.

Article describing the factors that can lead to inefficient hot water distribution systems in homes.

Guide describing how to choose energy-efficient water heaters, including heat pump models, with tips on installation, rebates, and incentives for maximizing energy savings.

ENERGY STAR webpage describing how a heat pump water heater works.

Report describing the identification of barriers and proposed practical solutions for the design, installation, and market adoption of heat pump water heaters in new low-rise multifamily housing, focusing on studio and one-bedroom units.