Library

Web article describing common issues that can cause refrigerant system flare joints to leak.

2009 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2012 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2015 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2018 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Fact sheet describing air-sealing concerns and remedies, including HRV/ERV installation, caulking, spray foam, and weatherstrip installation.

Webpage providing mapping tool for obtaining ground snow load, based on ASCE 7-10, for any location in the contiguous United States, with the exception of locations requiring a case study due to extreme local variations in ground snow loads. Fee required for some data.

Article describing how demand plumbing systems send cold water back to the water heater until hot water arrives at the sink, shower or other fixture where it is needed.

Website with consumer and contractor information about building codes and regulations for solar water heating systems.

Web article describing utility customer’s right to use back-up generators during emergency events, including Public Safety Power Shutoffs (PSPS).

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.

Webpage explaining what causes the formation of ice dams on roofs and steps to take to prevent them.

Website providing lists of WaterSense-qualified products for home plumbing and irrigation equipment that meet the requirements of the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

A quick guide from the California Division of the State Architect (DSA) explaining the three types of gas shutoff devices to stop the flow of natural gas into buildings in the event of an earthquake or rupture of the gas line.

Article describing a study of the potential to use heat pumps to heat and cool homes across the United States, including cold climate locations like Alaska.

Technical report detailing the vulnerabilities of the U.S. electric grid to weather-related failures.

Documents describing Flood Resistant Provisions of the international codes (including the international building, residential, exiting building, mechanical, plumbing, fuel gas, fire, swimming pool and spa, private sewage disposal, and code council performance codes) and summaries of changes from the...

Fact sheet providing an overview of how to properly prepare for a winter storm and how to protect yourself before, during, and after one.

Factsheet describing backflow valve benefits and tips.

Website with information for consumers about solar thermal systems for homes.

Website providing certifications and codes for automatic gas shut off valves in the state of California.

Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.

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.

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

Database describing FEMA preparedness webinars including natural hazard preparedness.

Webpage describing steps homeowners can take to prepare their home and car for winter storms.

Table calculating friction losses of PVC pipe fittings.

Table calculating friction losses for PVC pipe by length.

Webpage explaining how to mitigate heat loss through roofs for ice dam prevention.

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.

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

Guide providing detailed explanations of the snow load provisions contained in Standard ASCE/SEI 7-16: Minimum Design Loads and Associated Criteria for Buildings and Other Structures.

The website by U.S. Department of Agriculture’s Natural Resources Conservation Service (NRCS) National Water and Climate Center tracks snowpack sensor stations at multiple sites across the country providing an interactive US map of snow loads.

Article describing suggested food supplies, sanitation, safety, and cooking for during and after an emergency.

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

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).

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.

Report describing the formation of icicles and ice dams along poorly ventilated roofs and how to mitigate ventilation issues with insulation and vents.

Report describing the use of attic ventilation to control moisture in cathedral roofs and avoid the formation of ice dams.

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).