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.

Standard outlining industry procedure for sizing residential duct systems.

Standard covering equipment sizing loads for single-family-detached homes, small multi-unit structures, condo­miniums, town houses and manufactured homes.

Standard covering sizing strategies for all types of cooling and heating equipment, as well as how to use comprehensive manufacturer’s performance data on sensible, latent, or heating capacity for various operating conditions.

Document providing guideance and considerations for duct design in an energy efficient house.

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

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.

Case study describing solar thermal and photovoltaic systems in new construction.

Case study describing solar thermal and photovoltaic systems in new construction.

Case study describing solar thermal and photovoltaic systems in new construction.

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

Technical report detailing a study in which actual cooling loads are compared to modeled cooling loads.

Report describing the monitored long-term performance of two solar domestic water heating systems in northern climates.

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.

Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

Article describing a case study in which a whole-house battery and PV system was tested in a home with cooling and refrigeration during a hurricane in Florida.

Report exploring feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25% source energy savings.

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...

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.

Brochure on specifications for solar thermal systems.

Guide by the Northeast Energy Efficiency Partnerships on how to size heat pumps in a cold climate.

Presentation about proper installation of flexible ducts.

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.

Article describing what evaporative coolers are, how they work, different types, performance, where they are appropriate, and how to install and maintain them.

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.

Report providing step-by-step instructions for heating contractors and hydronic designers for selecting the proper control settings to maximize system performance and improve response time when using a thermostat setback.

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

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.

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.

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.

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

A website providing information on how to properly size a water heater based on tank size, volume, peak hour demand and other factors.

Web page describing the basics of how to size and build a battery bank for electricity storage.

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