Library

Best Practices document providing an introduction to current photovoltaic and solar thermal building practices.

Article describing the factors that can lead to inefficient hot water distribution systems in homes.

PDF detailing the inspection and verification guidance for WaterSense labeled new homes including indoor and outdoor efficiency requirements, and homeowner and building management education.

Report showing installers how to attach ducts, pipes, and associated equipment to buildings to minimize earthquake damage.

Fact sheet describing principles of insulating steam distribution and condensate return lines as an effective way to prevent energy loss.

Article discussing indoor water management.

Research study describing field testing performed in 32 two-story Florida homes to characterize wind washing failures of the house air and thermal boundary.

Technical report assessing the market for Low-e storm windows based on market data, case studies, and recent experience with weatherization deployment programs.

Guidebook providing useful examples of high performance retrofit techniques for the building enclosure of wood frame residential construction in a cold and somewhat wet climate.

Siding installation guide for Ply Gem Siding Group products.

FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.

The next generation of building enclosures is a key step toward achieving high-performance goals through decreasing energy load demand and enabling advanced space-conditioning systems. Yet the adoption of high-R enclosures and particularly high-R walls has been a slow-growing trend because...

Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.

Webpage describing water treatment standards as related to residential drinking water filters.

Report highlighting the evaluation methods used and extent of wind washing found in a study analyzing wind washing in thirty-two two-story homes.

Manual describing design, detailing, material selection and troubleshooting for plaster, IEFs, and drywall, with information on continuous insulation, air barriers, rain screens, and ratings for fire and sound.

Table calculating friction losses of PVC pipe fittings.

Table calculating friction losses for PVC pipe by length.

Document with important building science considerations, designed for members of the residential construction and remodeling industries, as well as owners and managers who work in affordable housing.

Research project aimed to verify whether homes in the New Jersey HPwES program achieved 30% source energy savings, and if so, what measures were implemented to achieve them.

Field manual describing measures to reduce potential hazards and damages caused by and to nonstructural components of a building such as HVAC, appliances, lighting, windows, and furniture during an earthquake.

Website with information and research about residential hot water distribution systems.

Fact sheet describing methods for flashing and air-sealing windows and doors.

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...

Article from the Institute of Biological Engineering describing reverse osmosis water softeners.

Factsheet describing air-sealing.

High-density sidewall cavity insulation can be a major comfort and savings boost. It saves energy by slowing both conductive and convective losses, but only if the right things are done and done right. This always requires site-specific thinking.

California Energy Commission report presenting the concept of cool walls and providing guidelines for their building- and climate-appropriate use to conserve energy and reduce emissions.

Job Process sheet for the manufactured housing industry showing how to split and notch insulation batts to fit around electrical boxes and wiring in a factory production environment.

Standard describing a test method measuring air-leakage rates through a building envelope under controlled pressurization and de-pressurization which was published in the year 2019 and is available for preview and purchase at the reference link.

Standard that describes the principles for the design of a hot box apparatus and the minimum requirements for the determination of steady state thermal performance of building assemblies when exposed to controlled laboratory conditions. The current version of the standard was published in 2019, and...

Standard describing two techniques for measuring air leakage rates through a building envelope in buildings that may be configured to a single zone which was published in the year 2022 and is available for preview and purchase at the reference link.

Information sheet describing correct application of stucco.

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

Document providing an overview of the Thermal Bypass Checklist for the ENERGY STAR Qualified Homes program.

Guide describing details that serve as a visual reference for each of the line items in the Thermal Enclosure System Rater Checklist.

Report sumarizing a workshop to initiate a professional discussion about eventual benefits of the application of massive technologies in US buildings.

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).

BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.

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.

Report focusing on the performance and durability of unvented-cathedralized attics in hot-humid climates with both tile and asphalt shingle roofing.

EPA WaterSense guidance on urinals.

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.

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).