Library

Web page providing links or specifications for homes to be labeled through the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Fact sheet describing the home certification organization, Home Innovation Research Labs and their requirements for whole house water management in a checklist format as well their compliance with certified Water Rating Index (WRI), organization scope, and information verifiers.

Webpage describing the home certification organization, 24/7 Certifications and their requirements for whole house water management in a checklist format.

Fact sheet describing the home certification program CHEERS and its requirements for whole house water management in a checklist format.

Webpage describing the home certification program, Home Innovation Research Labs' requirements for whole house water management.

Webpage describing the home certification organization, RESNET and its requirements for whole house water management in a checklist format as well as the scope, information verifiers, and partners of the program.

Fact sheet describing how the Environmental Protection Agency ensures labeled homes meet the WaterSense efficiency requirements for whole house water management including a list of requirements and a data chart.

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...

Resource that provides a checklist of program criteria for water-efficient new homes under the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Document on the EPA WaterSense webpage describing the technical evaluation process used by EPA WaterSense to authorize home certification organizations to certify homes through the WaterSense program.

Report assessing the performance and cost-effectiveness of a zero net energy community project in Davis, CA.

Manual showing how to properly use grass swales to manage excess water runoff.

Factsheet describing the importance of system charging, superheat and subcooling.

Wepage providing information on ENERGY STAR certified gas tankless water heaters with information on how they cut water heating expenses as well as a product finder tool to find ENERGY STAR certified products.

Research study describing an evaluation of selected windows undertaken by IRC researchers at Ottawa’s Laurier House (now being used as a museum) to determine their effectiveness in controlling condensation.

Fact sheet describing the moisture properties of wood.