Library

The Retrofit Decision Tool is an online tool to help homeowners, multifamily building owners and contractors to start the conversation about which retrofits they can employ to achieve zero-carbon-alignment.

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

Webpage discussing the characteristics of sunlight and how cool roofs work to reduce solar heat gain.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Newsletter containing five articles focused on seismic retrofitting.

Technical report providing site selection guidance for installation of small wind turbines.

Toolkits for residents and owner/managers who live and work in federally assisted housing.

Webpage providing information about design snow loads and a free interactive ground snow load mapping tool for the contiguous United States, as well as snow load calculation methods.

Spreadsheet tool that computes solar reflectance index (SRI) and roof surface temperature based on solar reflectance and thermal emittance using ASTM standard E 1980.

Standard describing a simple, relatively cost-effective approach to evaluating the ability of a variety of materials to support microbial growth using a small chamber method. A preview of the standard is available at the link, with the full version available for purchase.

Standard covering the installation of fenestration products in new and existing construction, which was published in the year 2019, and is available for preview and purchase at the referenced link.

Standard specification covering the minimum performance and acceptance criteria for an air barrier (AB) material or system for framed walls of low-rise buildings with the service life of the building wall in mind.

Specification covering the standard requirements for application of full thickness Portland cement-based plaster for exterior (stucco) and interior work. This standard was produced in the year 2022, and is available for preview and purchase at the reference link. There are also other versions of...

Specification covering the standard requirements for application of full thickness Portland cement-based plaster for exterior (stucco) and interior work. This standard was produced in the year 2023, and is available for preview and purchase at the reference link. There are also other versions of...

Standard specification covering elastomeric cellular preformed gasket and sealing materials. This version of the standard was published in the year 2011 and is available for preview and purchase at the reference link. Other versions of the standard were published in the years 2021, 2015, 2006, and...

ASTM standard test method for surface burning response of different building materials which was published in the year 2022 and is available for preview and purchase at the reference link.

ASTM standard test method for testing the surface burning response of different building materials which was published in the year 2023 and is available for preview and purchase at the reference link.

Report recommending strategies and approaches that the Federal government and other stakeholders may take to encourage and aid States and local communities in the adoption of the most current building codes.

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.

Presentation on urban land use and sustainable building design.

Resource manual for builders, designers, architects, plumbers, and others interested in the WaterSense Labeled Homes Program providing an overview of the program, explains how to meet the program requirements, gives descriptions of water-saving technologies, and provides links to further resources.

This guide and workbook offers practitioners with the knowledge to properly implement the measurement and documentation procedures required in the ANSI/ACCA 5.

This TechNote provides an overview of building code requirements and best practices for flashing at window and door frames.

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.

Fact sheet poster describing a DOE tool that walks homeowners through a series of simple questions to produce a list of retrofit recommendations to improve the energy efficiency, indoor air quality, and durability of the homeowners’ home, while also lowering their carbon footprint.

Article describing thermal bridging, construction practices that encourage thermal bridging, and solving thermal bridging through continuous exterior insulation.

Article detailing a case study in which thermal mass was used as part of an overall Net Zero solution for a university building.

Conference paper describing a proof of concept trial that demonstrated that external roller blinds can reduce heating loads in a room by 20%.

Report on a project conducted to better understand the current usage of thermostatic radiator valves by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old thermostatic radiator valves as a means of controlling space temperatures...

Fact sheet poster describing the energy efficiency and comfort benefits of thin triple-pane windows as compared to standard triple-pane and double-pane windows.

Webpage from the City of Fresno's Water Conservation Program describing household water conservation recommendations, including tips for maintaining evaporative coolers.

Report on investigating the effectiveness of using solar thermal water heaters to address heat losses from piping while recirculating water in multifamily buildings.

Guide providing information on controlling attic ductwork sweating.

Webpage from U.S. Environmental Protection Agency describing the EPA WaterSense program including the Mandatory Checklist for WaterSense Labeled Homes, information on how to get certified, and information on finding or becoming a WaterSense Home Certifying Organization.

Fact sheet outlining requirements for WaterSense labeled bathroom sink faucets, detailing their water-efficient features, compliance with flow rate standards, testing, construction, and verification.

Fact sheet describing the requirements for EPA WaterSense certified clothes washers that highlights the integrated water factor, integrated modified energy factor, top-loading vs. front-loading specifications, efficiency code standards, local requirements, faucet types and regulations for building...

Fact sheet describing the requirements for EPA WaterSense certified dishwashers that highlights water cycle specifications, efficiency code standards, water consumption level relation to criteria, the advantages of ENERGY STAR dishwashers, and the regulations for building and verifying a labeled...

Fact sheet describing protocols for detecting, addressing, and preventing water leaks in homes, covering pressure-loss testing, visual inspections, and specific leak tests for fixtures and appliances.

Fact sheet describing four different efficient hot water delivery (HWD) systems, the trunk-and branch, core, whole-house manifold, and recirculation, with emphasis on system schematics, piping materials, and regulations to design and verify the systems.

Fact sheet describing the requirements for EPA WaterSense certified kitchen faucets that highlights flow rate specifications, efficiency code standards, local requirements, faucet types and regulations for building and verifying a labeled faucet to ensure it meets the quality and water management...

Fact sheet describing water-efficient landscaping through informed landscape design and plant selection, outlining considerations for climate, soil, and maintenance, as well as emphasizing the benefits of native and drought-tolerant plants.

Fact sheet describing how to effectively build, implement, and verify leak detection and flow monitoring systems, detailing appropriate devices, installation procedures, and verification protocols.

Fact sheet describing the significance of managing service water pressure within recommended ranges through the installation of pressure-regulating valves (PRVs).

This fact sheet describes the requirements for WaterSense labeled showerheads in, highlighting their water-saving capabilities, adherence to flow rate criteria, independent performance certification, and how they're built, verified and in alignment with the conservation and water management goals of...

This fact sheet outlines the mandatory inclusion of WaterSense labeled toilets in homes, highlighting their water-efficient features, certified performance, and leak prevention; The sheet describes the requirements for these features, steps to build, and steps to verify a labeled toilet to insure...

Fact sheet describing the implementation of water metering and submetering measures in residential properties, particularly multifamily buildings, to enhance water efficiency, usage tracking, and compliance with relevant regulations; It outlines how to build and verify water meters and submeters to...

Fact sheet describing the importance and regulation of EPA WaterSense water softeners including the function of cation exchange water softeners, the importance of salt efficiency, the negative impact of hard water on household appliances, softeners that use demand-initiated regeneration with...

Report providing design guidance for wood-framed residential construction in high wind areas where design wind velocity requirements do not exceed 140 miles per hour.

Web page explaining what a cool exterior wall is and how they work, as well as benefits to their use and links to research studies.

Web page explaining what a cool roof is and how they work, as well as benefits to their use and links to research studies.