Library

Job Process sheet for the manufactured housing industry showing how to split and notch insulation batts to fit around electrical boxes and wiring in a factory production environment.

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.

Standard describing a test method measuring air-leakage rates through a building envelope under controlled pressurization and de-pressurization which was published in the year 2019 and is available for preview and purchase at the reference link.

Standard that describes the principles for the design of a hot box apparatus and the minimum requirements for the determination of steady state thermal performance of building assemblies when exposed to controlled laboratory conditions. The current version of the standard was published in 2019, and...

Standard describing two techniques for measuring air leakage rates through a building envelope in buildings that may be configured to a single zone which was published in the year 2022 and is available for preview and purchase at the reference link.

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).

Information sheet describing correct application of stucco.

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.

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.

Document providing an overview of the Thermal Bypass Checklist for the ENERGY STAR Qualified Homes program.

Guide describing details that serve as a visual reference for each of the line items in the Thermal Enclosure System Rater Checklist.

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...

Report sumarizing a workshop to initiate a professional discussion about eventual benefits of the application of massive technologies in US buildings.

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

BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.

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...

Report focusing on the performance and durability of unvented-cathedralized attics in hot-humid climates with both tile and asphalt shingle roofing.

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.

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

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.

Article describing the impacts of wildfire smoke on indoor air quality and some ways ASHRAE is responding.