BASC Search

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

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

Information sheet about reservoir claddings.

Information sheet about sealing combustion appliances to ensure good indoor air quality.

Brochure with information about ducts in conditioned space.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Information sheet providing recommendations on the installation of vapor control layers.

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

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...

This report evaluates the performance of variable-capacity comfort systems, with a focus on inverter-driven, variable-capacity systems, as well as proposed system enhancements.

Document reviewing ventilation strategies for different climate zones that also includes schematic drawings and photographs of various ventilation installations.

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

Document describing a hygrothermal modeling study, including all of the US climate zones, a range of interior humidity levels and numerous arrangements and types of insulation.

Research study documenting market-ready energy solutions to improve the efficiency of new affordable housing in the marine climate of Washington State.

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.

Web page describing the benefits of attic fans, with rules for sizing fans and intake vents.

Blog article discussing pros and cons of attic ventilation fans.

Information sheet providing guidance about the placement of ventilation approaches.

Blog article citing the risks and downsides of attic ventilation fans from a building science perspective.

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.

Information sheet about proper ventilation and air sealing.

Website providing information on low-energy and standard cooling systems, with a focus on saving energy.

Paper providing a comprehensive overview of HVAC system design considerations and challenges specific to multifamily residential buildings, focusing on optimizing performance and addressing common issues.

Article describing moisture and ice dam issues in attics and how to air seal the attic floor.

Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.

Document describing the Building America research benchmark for the residential building program.

Article describing issues with attic ventilation fans and why the state of Georgia residential code does not allow plug-in attic ventilation fans.

Technical article describing issues and moisture concerns related to weatherization efforts.