Library

This standard provides the minimum requirements for energy-efficient design of most sites and buildings, except low-rise residential buildings. It offers, in detail, the minimum energy efficiency requirements for design and construction of new sites and buildings and their systems, new portions of...

Report describing methodology to assess and improve the accuracy of whole building energy analysis for residential buildings.

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.

The exhaust from residential combustion appliances contains air pollutants and high levels of moisture that must be conveyed to the outdoors to maintain acceptable indoor quality.

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.

View the APSP/ANSI Standards and codes below to get information about ANSI specifications for pools, spa and hot tubs.

Standard establishing test methods for determining air leakage in duct systems using fan pressurization in low-rise residential and commercial buildings.

Report describing information for builders and retrofitters about eliminating hazards and coincidental energy losses that come from attached garages.

Website developed by the Attachments Energy Rating Council to provide consumers with credible, relevant, and comparable information about window attachments and their performance.

Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.

Report about a project that examines implementation of advanced retrofit measures in the context of a large-scale weatherization program and the archetypal Chicago, Illinois, brick bungalow.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

Report covering interior energy retrofits of masonry buildings.

Article describing different kinds of water-resistant backer boards.

Report describing approaches to insulating basements in homes built to meet Energy Star levels of performance of heat loss reduction.

Information sheet describing techniques for insulating basements.

YouTube channel featuring 90+ videos to educate Bay Area homeowners and contractors about seismic retrofitting, including information for various home and construction types.

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.

This Best Practices Manual is the product of Hammer & Hand’s ongoing work to document and internally codify our standard operating procedures for construction practice.

Brochure intended to provide readers with a working knowledge of residential heating and cooling duct systems.

This directory contains the I=B=R Ratings for cast-iron, steel, aluminum and copper boilers, baseboard and finned tube radiation, indirect-fired water heaters, effective as of the date of this publication.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2017 and is available to order at the referenced link.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2021 and is available to order at the referenced link.

Brochure providing information about flashing in all cimates.

Brochure with details on HVAC duct air sealing.

Brochure with information about ducts in conditioned space.

Brochure with information on maintaining drainage plane continuity at deck ledger locations.

Webinar answering code-related questions on duct leakage tests, moisture levels in attics and crawlspaces, combustion equipment in conditioned attics, ventilation in multifamily buildings, and continuous insulation in residential construction.

Information sheet about reservoir claddings.

Information sheet about sealing combustion appliances to ensure good indoor air quality.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Information sheet providing recommendations on the installation of vapor control layers.

Information sheet providing information about vapor management in building assemblies.

Information sheet providing details on the vapor permeance of different types of materials used in building assemblies.

Book presenting the best techniques for energy and resource efficient residential construction in the colder climates of North America.

Report examining the cost differences between a typical home and a home constructed using wildfire-resistant materials and design features.

Expert meeting focusing on identifying gaps and barriers in combustion safety that need to be addressed by future research, and to develop data-driven technical recommendations for code updates so that a common approach for combustion safety can be adopted by all members of the building energy...

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.

Report provides a proposed set of guidelines for estimating the energy savings achieved by a package of retrofits or an extensive rehabilitation of an existing home.

Document illustrating some analysis concepts that are proven to be effective and reliable in analyzing the transient energy usage of advanced energy systems as well as of entire houses.

Report presenting the building america research to market plan.

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

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.

State code requiring energy efficiency measures for residential and commercial buildings.

Document about testing software predictions of retrofit energy savings in existing homes.

Document providing an example procedure for establishing acceptance-range criteria to assess results from software undergoing BESTEST-EX.