Library

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

Research study analyzing measured energy savings from a moderate retrofit by comparing post-retrofit performance with measured pre-retrofit monitored data.

Report describing an analysis method for determining optimal residential energy efficiency retrofit packages and applies the analysis method to a 1960s-era home in eight U.S. cities.

Standard that prescribes a testing method to determine the efficiency of space heating and/or cooling thermal distribution systems under seasonal and design conditions. This version of the standard was published in the year 2014, and is available for preview and purchase at the reference link. The...

Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.

Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow. Results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow; results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.

Report discussing development of scopes of work and quality management for builders in mixed-humid climates.

This report is designed to meet ASHRAE 62.2-2010/2013 and ANSI/ACCA’s 5 QI-2015 protocol, thereby improving the performance of HVAC equipment in new homes when compared to homes built to minimum code.

Information sheet about the National Residential Efficiency Measures Database, a public database that characterizes the performance and costs of common residential energy efficiency measures.

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

Guide providing information on controlling attic ductwork sweating.

Fact sheet describing a novel, simplified air delivery system using a plug-and-play model that features 3-inch diameter flexible ducts, efficient fittings, and a simplified installation process that resulted in successful market engagement through commercialization.

Document about development of recommendations to help residential HVAC designers select optimal supply inlet size and system operating conditions to maintain good thermal comfort in low heating and cooling load homes.

Research study using modeling to determine optimal combination(s) of components/pumps, high efficiency heat sources, plumbing configurations and controls that result in the highest overall efficiency for a hydronic system.

Report briefly reviewing past research on the effects of occupant behavior on residential energy use and then covering a two year pilot evaluation of a low cost residential energy feedback system installed in twenty case study homes in Florida.

Research study identifying best practices of three successful high performance, custom home builders in the upper Midwest.

Document outlining the approach to quality assurance in the construction process as recommended by Building Science Corporation for new residential construction.

Report designed to help a builder understand quality management and its role in transitioning from conventional to HPH building and remodeling.

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.

DOE case study findings on raised ceiling interior duct systems.

Report including an overview of the buried duct research and information the retrofit methodology used to install and test the three existing duct systems, including short- and long-term data collection.

Document presenting results from testing prototype HVAC duct system designs that would locate the entire length of duct work within the air and thermal barriers of the building envelope. These include one that incorporated a high-side supply register, one that utilized a single soffit located within...

Document containing some of the basic characteristics for energy performance, durability, thermal comfort, and indoor air quality that should be met in all high performance homes.

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

Report proposes high performance duct measures for inclusion in California Title 24 building energy efficiency standards for 2016.

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

Report describing research efforts focused on examining the audit reports for quality, comprehensiveness, and consistency.

Research study about a high performance retrofit of an existing brick building (a former convent) into condominiums, all affordable housing.

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

Report about cost effective energy-efficient upgrades that can be implemented in the hot, dry Southwest climate.

Document reviewing current and potential ventilation technologies for residential buildings with particular emphasis on North American climates and construction.

Information sheet describing solar PV upgrade for an existing homes.

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

Information sheet describing solar hot water systems in existing homes.

Information sheet about envelope and roof moisture control retrofit for a home.

Article describing how insulating and air sealing unfinished attic spaces can lead to reduced energy bills in some homes.

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

Report describing development of a package of energy efficiency measures to achieve 60% energy savings in a test house.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

Website with consumer information about duct cleaning.

Manual that identifies certain leakage limits for ducts and outlines procedures for testing ducts for conformity with air leakage limits that are set forth in a designer’s project specification.

Fact sheet describing building envelope performance measures applicable to residential and small commercial construction.

Paper describing the development and testing of an affordable net-zero energy house in Lenoir City, Tennessee.

Webpage describing the STEP campaign encouraging the use of smart diagnostic tools to reduce installation faults.

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

This Standard provides a consistent, uniform methodology for evaluating the airtightness of building envelopes and heating and cooling air ducts and the air flows of mechanical ventilation systems.

Report addressing barriers to information, contractor resources and cost savings associated with steam balancing multifamily buildings.