Library

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

A guide for users and energy raters of insulated siding as home insulation.

Website providing builders with information about meeting RESNET Grade 1 criteria when installing insulation.

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.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Massachusetts, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after...

The purpose for this document is to provide basic guidance on the use of proven installation techniques that can be used by installers to help ensure correct “dense pack” application of JM Spider® in drill & fill applications.

Article providing guidance for installing manufactured stone veneer, including information on rainscreens.

Website providing information about Knauf Insulation.

Report summarizing results of testing emerging combo water heating technologies under controlled laboratory operations, that differentiate the performance of the various packaged equipment configurations being offered.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.

This webpage provides an interactive walk-through of the installation of a heat pump water heater in a home in Maine, including how-to videos of the installation, video interviews with the homeowners, installer, and utility program partners, and visual tours of the home before and after installation...

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.

Document pertaining to design and application guidance for combination space and tankless domestic hot water heating systems used in residential buildings, based on field evaluation, testing, and industry meetings.

Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes.

This Measure Guideline provides design and construction information for a deep energy enclosure retrofit solution of a flat roof assembly.

Document developed to help residential builders and retrofitters transition from tank-type water heaters to tankless water heaters.

Web resource that lays out the pre-work considerations, methods and finishes for installing mechanical insulation.

This paper discusses model validation using data from three thermosiphon systems.

Study in which a central heat pump water heater system was monitored in detail and used to create a model for assessing similar systems in various climates.

Report investigating what motivates remodelers to become energy-focused and what technical knowledge that need to be energy-focused.

An article about double-hung windows.

This standard provides a benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards and has been adopted in all 50 states.

Report providing information to researchers, utility program managers, and building owners interested in controlling heating energy waste and improving resident comfort.

Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined loads.

Report describing the key findings from the first third-party field validation of 120-volt heat pump water heater (HPWH) technology, addressing the significant barriers to their adoption and emphasizing their potential role in reducing carbon emissions from residential water heating.

Report describing a laboratory assessment on the performance of Rheem 120-volt heat pump water heaters (HPWH), aimed at identifying optimal installation locations for these new "plug-in" models based on comprehensive testing under various conditions.

Fact sheet poster describing an online tool offered within the Building America Solution Center which provides construction guidance for builders and contractors in building and renovating homes to be more resistant to natural disasters such as hurricanes, flooding, earthquakes and wildfires, etc.

This page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana.

Information sheet including a checklist of steps to follow for pouring concrete.

Webpage describing the Quality Install Tool, an open-source web app designed to simplify, standardize, and expedite the creation of high-quality installation documentation for HVAC installations and efficiency upgrades.

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.

Fact sheet describing best practices in installing leak-free refrigerant systems, including specifics on creating flare joints and brazed joints, pressure testing, vacuum testing, and charging the system with refrigerant.

Presentation providing information about correctly installing ductwork in new and existing homes.

Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

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

U.S. DOE report summarizing findings from literature and research relevant to HVAC installation practices.

Brochure with information on residential solar hot water systems.

Presentation describing RESNET grading criteria for insulation installation.

A retrofit sheet providing information on elevating and securing water heaters to protect against damage during a flood.

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

Information sheet describing tankless hot water heating systems in existing homes.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Recovery advisory guide providing guidance on existing code requirements as well as recommend best practices for attachment design, installation, and maintenance of rooftop solar panels to increase panel wind resistance in the U.S. Virgin Islands after Hurricane Maria.

Factsheet describing air-sealing.

A fact sheet providing homeowners with guidance on properly securing water heaters to prevent them from tipping in an earthquake.

Technical study exploring the impact of different installation faults on heat pump performance in a single-family house.

Report comparing the performance of seven differing types of residential water heating systems in a side-by-side test configuration over a full year period.

Document about testing of seven water heating systems in the Hot Water Systems laboratory in central Florida.

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.