Library

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

This report discusses proposed updates to the pool pumps and motors, and portable electric spas standards in the Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 to 1609). These proposed updates are part of the 2012 Appliance Efficiency Rulemaking, Phase I...

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

Article explaining the energy cost reduction and other benefits associated with installing a heat pump clothes dryer

Infographic providing details on choosing the right advanced power strip based on your habits to reduce the electricity wasted when your electronic devices are idle.

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

Second part of an article series focusing on servicing high efficiency modcon boilers. This part focuses on paperwork and follow-up communication with the homeowner for scheduling annual maintenance.

Article describing the author's experiences in owning and servicing a modcon boiler.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

Website describing how solar water heaters -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home.

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

Bill requiring the Consumer Product Safety Commission to revise the safety standards for freestanding clothing storage units such as a dressers, bureaus, or chests of drawers to include testing related to tip overs and new warning requirements for all such products entering the U.S. market; passed...

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.

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.

DOE-sponsored report describing the experimental design and results of testing the energy performance of Hunter Douglas double-cell cellular shades under various control schemes in the Pacific Northwest National Laboratory’s Lab Homes.

Presentation describing how to make a Corsi-Rosenthal Box for air cleaning.

Article describing a DIY air cleaning system for filtering smoke and viruses.

Article outlining the importance of keeping dryer exhaust ducts clean.

Article from Purdue University on the potential for white paint technology to lower air conditioning usage requirements.

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

Website providing consumer tips for using natural gas safely in the home, including guidance on cooking, fireplaces, ventilation, pilot lights, piping, etc.

Users guide to help contractors and homeowners use the Cold Climate Heat Pump Sizing Support Tools developed by NEEP to size and select the best air source heat pumps for their cold climate location.

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Report summarizing results from a study in Massachusetts that aimed to upgrade existing homes and incorporate solar thermal systems.

This text is one of series of supporting documents that provide guidance on implementing the World Health Organization (WHO) Guidelines for drinking-water quality; intended to support improvement of water safety within buildings.

Resource that provides a directory of individuals that have successfully completed all requirements of at least one WaterSense Approved Certification Method (WACM) through a Home Certification Organization (HCO).

Website providing a searchable list of products that meet the EPA WaterSense criteria for water savings.

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 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 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...

Brochure providing information for homeowners, builders, verifiers, and facilities including an overview of program criteria, the certification process, and EPA-approved home certification organizations for water-efficient homes under the U.S. Environmental Protection Agency's (EPA's) WaterSense...

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.

An informational guide established to educate the public on seismic shut-off valves and how to avoid fires following an earthquake.

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.

Conference paper presented at the 2020 Summer Study on Energy Efficiency in Buildings presenting the results of an evaluation of control strategies used when new mini-splits are installed in a home with an existing HVAC system.

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.

Technical fact sheet describing proper operation, sizing, and installation of whole-house fans.

Fact sheet providing information on window attachments and their potential for improving energy efficiency.

Webpage describing burn bans, which wood burning devices are legal in Washington, why wood smoke is harmful to health, and how to reduce the smoke from your wood burning device.

Report detailing passive design strategies used at the Zion National Park Visitor Center, including evaporative cool towers.