Library

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.

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

EPA coronavirus Q&A discussing the role of HVAC filters in dealing with COVID-19.

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.

Article describing the impacts of wildfire smoke on indoor air quality and some ways ASHRAE is responding.

Fact sheet describing the moisture properties of wood.