Library

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 addressing the ever increasing percentage of whole house energy use that is attributable to miscellaneous electricity loads (MELs) and major appliances.

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.

Document providing a case study of commissioned performance measures that justify costs for these demonstration and "live" show homes.

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

Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.

A review on the knowledge about ventilated wall claddings from field performance and hydrothermal modeling.

Report describing the formation of icicles and ice dams along poorly ventilated roofs and how to mitigate ventilation issues with insulation and vents.

Information sheet about proper ventilation and air sealing.

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. This version of the standard was published in the year 2010, and is available for...

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. This version of the standard was published in the year 2013, and is available for...

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.

ENERGY STAR overview on certified ventilation fans.

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...

This report describes how twenty homes were tested and monitored in the Zone 2 climate of Houston, Texas, U.S.A., to evaluate the humidity control performance and operating cost of six different integrated dehumidification and ventilation systems that could be applied by production homebuilders.

Report describing the use of attic ventilation to control moisture in cathedral roofs and avoid the formation of ice dams.

Document describing the measured annual performance data from 12 recent-vintage very low energy homes in the US.

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

Fact sheet describing the home certification organization, Home Innovation Research Labs and their requirements for whole house water management in a checklist format as well their compliance with certified Water Rating Index (WRI), organization scope, and information verifiers.

Webpage describing the home certification organization, 24/7 Certifications and their requirements for whole house water management in a checklist format.

Webpage describing the home certification program, Home Innovation Research Labs' requirements for whole house water management.

Webpage describing the home certification organization, RESNET and its requirements for whole house water management in a checklist format as well as the scope, information verifiers, and partners of the program.

Fact sheet describing how the Environmental Protection Agency ensures labeled homes meet the WaterSense efficiency requirements for whole house water management including a list of requirements and a data chart.

Fact sheet describing four different efficient hot water delivery (HWD) systems, the trunk-and branch, core, whole-house manifold, and recirculation, with emphasis on system schematics, piping materials, and regulations to design and verify the systems.

Document on the EPA WaterSense webpage describing the technical evaluation process used by EPA WaterSense to authorize home certification organizations to certify homes through the WaterSense program.

Fact sheet describing how weatherstripping can be an easy and cost-effective way to save money on energy costs and improve comfort by reducing drafts.

Report assessing the performance and cost-effectiveness of a zero net energy community project in Davis, CA.

An article describing a way to protect drain and ventilation holes in brick veneer siding against pests. Selecting a fine screen mesh opening (1/55-inch or 0.5-mm) is important to guard against small insects such as subterranean termites.

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.

Brochure about how to install and use a whole-house fan.

Report summarizing results from a case study about whole-house mechanical ventilation systems in Chicago.

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

Article describing ways to design and construct a building to resist wildfires.

A list of exterior building products and materials approved for use in wildland urban interface zoned homes. These products are non-combustible or ignition-resistant.

Tax credit for ENERGY STAR certified windows, doors and skylights.

Webpage from American Red Cross describing how to stay safe and prepare homes for severe winter weather such as blizzards.

Webpage describing steps to take to prepare homes for winter weather as well as safety information for after storms have passed.

Article describing sustainable community development of near zero energy homes in Greenfield, Massachusetts.

Report and case study describing a retrofit project for single family homes in the Pacific Northwest.