Reference
Description
Report describing the monitored long-term performance of two solar domestic water heating systems in northern climates.
Case Study
Description
Case study describing the use of an indoor heat pump water heater in a hot-dry climate during summer.
Reference
Description
Case study describing solar thermal and photovoltaic systems in new construction.
Video
Description
Video describing how the Cold Climate Housing Research Center solar thermal water heating system works.
Reference
Description
Brochure on specifications for solar thermal systems.
Reference
Description
Best Practices document providing an introduction to current photovoltaic and solar thermal building practices.
Case Study
Description
Case study describing the retrofit of a hybrid gas water heater that combines a reduced capacity tankless unit with a downsized storage tank.
Case Study
Description
Case study describing how combination space and water heating systems can be used in homes with efficient thermal enclosures, decreasing energy consumption and costs.
Reference
Description
Website with information and research about residential hot water distribution systems.
Reference
Description
Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.
Reference
Description
Article about one way to deal with the cold-water surprise effect of tankless water heaters.
Video
Description
Video discussing the domestic hot water system installed in a passive house.
Reference
Description
Article describing the factors that can lead to inefficient hot water distribution systems in homes.
Reference
Description
Fact sheet describing principles of insulating steam distribution and condensate return lines as an effective way to prevent energy loss.
Reference
Description
Website with consumer and contractor information about building codes and regulations for solar water heating systems.
Reference
Description
2009 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.
Reference
Description
2012 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.
Reference
Description
2015 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.
Reference
Description
2018 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.
Reference
Description
Case study describing solar thermal and photovoltaic systems in new construction.
Reference
Description
Guide designed to help builders better understand and meet the hot water delivery system criteria as specified in EPA's WaterSense New Home Specification.
Reference
Description
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
Description
Case study describing the performance of tankless water heaters, which can deliver large quantities of hot water under changing load conditions like storage water heaters, but without suffering the standby loss (tank heat loss) of storage water heaters.
Case Study
Description
Case study describing the installation four high-efficiency natural gas water heaters n single-family homes and their savings potential, installed efficiencies, and abilities to meet household demands.
Case Study
Description
Case study describing an alternative ground source heat pump (GSHP) cold-climate application in an attempt to reduce the installation cost of the ground loop portion by containing the entire loop beneath the basement slab.
Guide
Description
Measure guide describing the need to provide an architectural drawing for a future solar hot water installation.
Case Study
Description
Case study describing a new home builder that strives to address health, safety, and durability issues in a hot and humid climate.
Guide
Description
This measure guide describes the need to install a mounting surface for equipment related to a future solar hot water installation.
Guide
Description
Guide describing the need to leave space for a solar hot water tank in the home’s utility room.
Guide
Description
Guide describing the need to install a plumbing and wiring chase for a future solar hot water installation.