Library

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.

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

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

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.

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

Fact sheet describing field validations of a smart ventilation system to assess its effectiveness in assisting low-load homes in humid environments by maintaining acceptable indoor humidity conditions while ensuring adequate ventilation and indoor air quality.

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

Fact sheet outlining the research behind how smart ventilation controls boost energy efficiency and indoor air quality, including research findings from seasonal temperature, timer, and real-time weather-based controls showing that all three systems showed potential for energy savings while...

Initiatives of smoke-free housing policies in New York State.

Toolkits for residents and owner/managers who live and work in federally assisted housing.

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.

Standard that defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings; published in the year 2019, and is available for preview and purchase at the...

Standard that describes the minimum requirements for residential buildings to achieve acceptable indoor air quality via dwelling-unit ventilation, local mechanical exhaust, and source control. This version of the standard was published in the year 2022, and is available for preview and purchase at...

Standard 680 establishes definitions, classifications, test requirements, data requirements, ratings, operating requirements, marking and nameplate data and conformance conditions for residential air filter equipment.

Standard describing methods for installing radon mitigation systems in existing residential buildings three stories or less in height which was published in the year 2021 and is available for preview and purchase at the reference link.

Detailed requirements for testing, exposure modeling, and allowable limits for modeled indoor air concentrations.

Document identifying differences between the requirements for construction documents for high performance housing and the documents that are typically produced for conventional housing.

Report intending to provide useful information as the DOE/BA develops and implements comprehensive communications and outreach strategies for demonstration homes.

Document targeting retrofit program managers, retrofit contractors, policy makers, academic researchers, and non-governmental organizations that work to realize energy savings from home energy upgrades (HEUs).

Document serving as a starting point that features initial tools and resources for teams to start collaborating to continually improve the energy efficiency and durability of new houses.

Research study providing a comparison of selected retrofit activity typically done, versus that same retrofit activity approached from an integrated high performance remodeling and quality management perspective.

Research project evaluating the pre-and post-retrofit energy consumption of a marine climate retrofit, compare actual energy use to original predictions, and identify opportunities for cost savings in other similar retrofits in this climate.

Research study determining how well high performance envelope and innovative cooling system interact to cost effectively reduce cooling energy use in this hot-dry climate.

Research study making several recommendations to whole-home program designers and implementers for improving the cost effectiveness and reach of whole-home programs.

Report evaluating a test home built in Atlanta, GA in the mixed-humid climate zone. The report outlines the features of the house, discusses the implementation of the energy efficient design, and presents the results of short-term characterization testing.

This guide and workbook offers practitioners with the knowledge to properly implement the measurement and documentation procedures required in the ANSI/ACCA 5.

Report using data from various sources to characterize the impact on human health and property damage from indoor environmental quality and other hazards.

Presentation describing how to make a Corsi-Rosenthal Box for air cleaning.

Article describing a field study that test ventilation performance in nine homes and found current ventilation was inadequate to remove PM2.5 and CO2 levels; however, a directly exhausting range hood can reduce peak PM2.5 concentrations by 75% or more.

Report developed for Habitat for Humanity about lessons learned from demonstration retrofit projects undertaken by Habitat for Humanity affiliates in New York, Maryland, and Pennsylvania; with building systems consulting and technical assistance provided by Steven Winter Associates.

Report presenting results from whole-house monitoring efforts in hope that they may be useful for others moving towards zero energy homes.

Standard 55 specifies conditions for acceptable thermal environments and is intended for use in design, operation, and commissioning of buildings and other occupied spaces; is the current version of the standard, which was published in the year 2021, and is available for preview and purchase at the...

Blog article summarizing the effects of extreme heat on air quality and lung health.

Case study about affordable housing in a mixed, humid climate.

Article describing the impact of increasingly stringent ventilation standards on multifamily buildings, highlighting the inefficiencies and challenges of exhaust-only ventilation in tightly sealed enclosures, the complications of achieving balanced ventilation, and the unintended consequences of...

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Document presenting analysis results, focusing on relative humidity (RH) excursions, which are defined as unique events of indoor RH above a threshold.

Research report that validates Pinhole Insulation®, offering a cost-effective, minimally invasive solution for enhancing insulation and air sealing in enclosed roof cavities, improving R-value by 60% compared to traditional methods.

Preliminary results of two monitored lab homes constructed to represent the thermal characteristics of typical existing Florida homes are presented.

This report examines indoor air quality in post-2013 homes across various climates, focusing on contaminant levels, ventilation equipment usage, and control measure impact, with regional data from Florida, Georgia, and South Carolina.

Standard that provides procedures and methods for meeting minimum ventilation and indoor air quality requirements to engineers, design professionals, owners, and jurisdictional authorities where model codes have been adopted. This is the current version of the standard, which was published in the...

Report describing a field study of 31 homes to test envelope and duct leakage and fan flowrates, and to determine ventilation operation characteristics.

Webpage describing how to flashing installation

Webinar presenting best practices in HVAC design and commissioning

EPA coronavirus Q&A discussing the role of HVAC filters in dealing with COVID-19.

Information sheet discussing the differences between homeowner energy consumption trends in highly efficient homes.

Article discussing the risks that can occur from undercutting bedroom doors to provide return airflow from bedrooms, as well as corrective measures that can be taken to address these risks.