Library

Resource that explains how water softeners work to reduce scale.

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

Factsheet describing how to partially install a heat pump in a manufactured home in the manufactured home factory.

A website providing a checklist of important areas to check when sealing holes inside and outside of the home to prevent entry by rodents and other outside pests.

Includes several good how-to videos for anchoring furniture to different wall types

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.

NOAA webpage providing images and short descriptions of different types of hurricane shutters.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Massachusetts, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after...

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

Web article describing two options for sizing ductless minisplit heat pumps, including a free HVAC sizing tool.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Maine, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after installation...

Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

Website providing links to the EPA developed map of radon risk in the United States.

Online course providing an overview of mold prevention and mold remediation.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

Webpage outlining important considerations when remodeling, including for maintaining healthy air and keeping radon, dirt, and moisture out.

Webpage describing how to elevate major appliances in case of a flood.

Searchable database of over 3,000 roofing products that have undergone solar reflectance and thermal emittance testing.

Searchable database of wall cladding and coating products that have undergone solar reflectance and thermal emittance testing.

Technical report describing the Re-Side Right initiative by the New Jersey Institute of Technology's Building America research team that proposes enhancing home efficiency during the re-siding process by incorporating an insulating layer that acts as both an air barrier and water resistive barrier...

Fact sheet describing best practices in installing leak-free refrigerant systems, including specifics on creating flare joints and brazed joints, pressure testing, vacuum testing, and charging the system with refrigerant.

Brochure detailing the guidelines, recommendations, and preferences of the City of Burnsville for citizens installing solar photovoltaics.

Homepage for ENERGY STAR’s windows, skylights, and doors program providing information for consumers and links to product directories.

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.

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

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.

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...

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.

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.

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

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

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 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...

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

Fact sheet providing recent statistics on wildfires in the U.S.