Library

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

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.

A research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

Question and Answer article in Energy Design Update describing the cost and savings benefits of electronically commutated motors (ECMs) for HVAC equipment.

Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.

Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.

Document about laboratory testing of five integrated heat pump water heaters (HPWH).

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Report about partnership to build three communities of net zero houses.

Guide addressing troubleshooting and frequently asked questions about water pressure.

Article describing water leak detection and modes of testing (video camera inspection, hydrostatic pressure, electronic listening, isolation, and digital testing).

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

Documents describing Flood Resistant Provisions of codes published by the International Association of Plumbing and Mechanical Officers (IAPMO): the Uniform Mechanical Code; Uniform Plumbing Code; Uniform Swimming Pool, Spa and Hot Tub Code; and Uniform Solar, Hydronics and Geothermal Code (Uniform...

The International Association of Plumbing and Mechanical Officials (IAPMO) has been protecting the public’s health and safety for ninety-three years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world. Main website.

EPA WaterSense guidance on urinals.

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.

Products and specification for a State of California-compliant earthquake-actuated automatic gas shutoff valve.

Report describing filtration, distillation, and disinfection methods of water treatment.

Website containing useful resources regarding central heat pump water heater systems.

Article describing different types of water softeners and how they work.

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.

Specification of criteria for lavatory faucets and faucet accessories under the U.S. EPA WaterSense Program.

Article describing the EPA WaterSense program, process, and benefits.

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 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.

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...

Website providing a description of the WaterSense labeled homes program and a checklist of mandatory requirements for homes to be labeled under the U.S. Environmental Protection Agency's (EPA's) WaterSense program, Version 2.0.

Guide designed to help builders better understand and meet the hot water delivery system criteria as specified in EPA's WaterSense New Home Specification.

Webpage describing specification requirements including checklist that establishes the criteria for water-efficient homes under the U.S. Environmental Protection Agency's (EPA's) WaterSense program.

Webinar presenting best practices in HVAC design and commissioning

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.

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Article about one way to deal with the cold-water surprise effect of tankless water heaters.

Webpage from American Red Cross describing how to stay safe and prepare homes for severe winter weather such as blizzards.

Research study describing demonstration homes that provided a wealth of information for the building community in terms of the science, effort, and cost of increasing the energy efficiency of our nation's housing stock.

Report detailing retrofit of two existing houses in the Wyandotte Neighborhood program.