Library

Energy Star web page providing guidance on attic ventilation.

The manual covers residential zoning issues - multiple, single-zone, and central multi-zone systems - and includes advice on working with homeowners to adapt the heating or cooling system design to meet modern home design features.

The research report outlines a practical and cost-effective strategy utilizing central HVAC systems to optimize humidity control and ventilation in energy-efficient homes located in hot-humid climates, demonstrating significant improvements without requiring complex equipment upgrades.

Case study about high humidity, mold and condensation on surfaces in S. Florida, and how building characteristics cause and amplify these problems.

Article describing the building science implications of insulating vented or unvented attics.

Article describing the research into insulating vented versus unvented attics.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Article describing the difference between conditioned or unvented attics and unconditioned or vented attics.

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Report providing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.

Article outlining moisture accumulation in open cell spray polyurethane foam.

Research study identifying the best performing, most energy-efficient and cost- effective techniques to provide controlled mechanical ventilation and humidity control in hot- humid climates with thermally efficient building envelopes.

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

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Article describing the risks associated with vented and unvented crawlspaces in different climate zones.

Report reviewing unvented roof assemblies, such as conditioned attics and unvented cathedral ceilings that are becoming common in North American construction.

Document summarizing the various papers on unvented conditioned cathedralized attics found on BSC's website.

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

Fact sheet describing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

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

Document outlining important safety considerations of ventless fireplaces.