Library

Report about an expert meeting focused on issues surrounding cladding attachment and performance of walls with exterior insulating sheathing.

The main objective of this expert meeting was to bring together a group of experts intimately involved with issues related to assessing the performance of residential high efficiency water heating systems.

Expert meeting describing meeting details for recommendations for applying water heaters in combination space and domestic water heating systems.

An engineering design guide for hydronic heat loops, discussing the features and advantages of condensing boilers.

Report comparing a high-performance house with a code-built control home.

Report describing the in situ performance evaluation of newly released heat pump water heaters (HPWHs), highlighting their energy and cost savings potential compared to conventional electric resistance water heaters and other alternatives, based on data collected from installations in Massachusetts...

Report presenting the results from several demonstrations of a new method for sealing building envelop air leaks.

Article describing five fundamental changes to building construction from the last 50 years and their modern construction consequences.

Journal article describing energy and cost savings potential from air sealing multifamily town homes.

A webpage discussing how water heater expansion tanks operate and how to repair them.

Journal article describing lessons learned from updating a 16-year-old deep-energy retrofit.

Report about development of effective strategies to reduce the overall building energy use in line with Building America goals in this modestly priced market rate project.

Website providing resources for roofers to construct high-wind, hurricane, and hail-resistant roofs from IBHS Fortified program.

A guideline containing fire sprinkler insulation requirements from the Prescott, Arizona Fire Department.

Standard that applies to storage water heaters, instantaneous water heaters, and circulating water heaters including booster water heaters; the current version of this standard was published in the year 2019 and it is available for purchase along with a digital preview on the ANSI webstore page.

Brochure on specifications for solar thermal systems.

Report describing the cost-effectiveness and performance of all-electric, zero net energy multifamily buildings in California, detailing technical challenges and providing recommendations for design, construction, codes, standards, and operations to support future projects.

Article describing techniques to air-seal townhouses and row houses.

Informational guide describing the design, installation, and maintenance best practices and technical considerations for integrated Heat Pump Water Heaters in single-family and multifamily new construction.

Report describing the advantages and best practices for installing heat pump water heaters (HPWH), highlighting their improved energy efficiency, reliability, and critical considerations such as condensate management, proper sizing, and optimal installation location to enhance performance and...

The Heat Pump Water Heater Installation Tool helps contractors, installers, and homeowners through the decision-making process for heat pump water heater (HPWH) product selection and installation, with a focus on overcoming installation barriers.

Report describing the significant potential for energy use reductions through heat pump water heaters, which have been a crucial part of Northwest power plans for decades and have recently achieved substantial savings with new integrated models and climate specifications.

Report describing the features, benefits, and best practices for the design and installation of heat pump water heaters in new low-rise multifamily buildings, highlighting their efficiency, reliability, and contribution to decarbonization goals.

Report describing a laboratory assessment that provides insights into space requirements and venting strategies for heat pump water heaters (HPWH) to enhance retrofit installations and provide actionable guidance for manufacturers, designers, engineers, installers, and owners.

Guide providing detailed selection and installation instructions for heat pump water heaters.

Provides consumers with general information on solar water heating systems and how to select a contractor.

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Information sheet about air barriers.

Brochure describing insulation and air-sealing details.

Document providing a roadmap to aid Habitat for Humanity affiliates in building high performing houses by using materials and techniques that are affordable, do not add any maintenance burden, and are volunteer friendly.

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

Article describing the causes that form ice dams, as well as solutions for preventing future ice dams on roofs, focusing on air sealing to prevent hot air leakage.

Report on a project that enhanced the HWSIM distribution system model to more accurately model pipe heat transfer.

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

Guide describing how to choose energy-efficient water heaters, including heat pump models, with tips on installation, rebates, and incentives for maximizing energy savings.

Article describing the impact of stack effect on building performance, highlighting how pressure differences caused by temperature and height affect air infiltration and exfiltration, and detailing strategies like compartmentalization and distributed mechanical systems to manage airflow and maintain...

Article describing the stack effect in buildings.

ENERGY STAR webpage describing how a heat pump water heater works.

A website providing a checklist of important areas to check when sealing holes inside and outside of the home to prevent entry by rodents and other outside pests.

Report describing the identification of barriers and proposed practical solutions for the design, installation, and market adoption of heat pump water heaters in new low-rise multifamily housing, focusing on studio and one-bedroom units.

Report detailing the design and construction of 10 new houses under the Wyandotte Neighborhood Stabilization Program 2.

Report outlining results from a 2005 hygrothermal pilot study in the South.

Journal article presenting modeling of residential gas water heaters via dynamic simulation models to determine the effect of the pilot light on their annual energy consumption.

Report providing information about techniques and approaches to improve the efficiency of recessed lighting.

This research study used pollutant measurements, home inspections, diagnostic testing and occupant surveys to assess IAQ in 24 new or deeply retrofitted homes designed to be high performance green buildings in California.

A factsheet providing information on how to prevent pests from entering the home by sealing cracks and openings.

Article explaining installing cavity insulation.

Report describing the performance, economics, space heating impacts, and user satisfaction of heat pump water heaters (HPWHs) in the upper Midwest, based on a field study and survey of participants in the MECA HPWH incentive program.

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

Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.