Description
Guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Showing results 1 - 50 of 50
Organization(s)
U.S. Environmental Protection Agency,
EPA,
ENERGY STAR
Publication Date
Description
Energy Star web page providing guidance on attic ventilation.
Description
Information guide describing how to calculate attic passive ventilation with example calculations.
Organization(s)
Florida Solar Energy Center,
FSEC
Publication Date
Description
PDF literature review of the impact and need for attic ventilation in Florida homes.
Organization(s)
Oak Ridge National Laboratory,
ORNL,
U.S. Army Corps of Engineers
Publication Date
Description
Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.
Description
Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.
Organization(s)
Home Energy,
National Association for State Community Services Programs,
NASCSP
Publication Date
Description
Article describing moisture and ice dam issues in attics and how to air seal the attic floor.
Organization(s)
ORNL,
SEI
Publication Date
Description
Information sheet with information about insulating and ventilating attics.
Organization(s)
American Society of Heating Refrigerating and Air-Conditioning Engineers,
ASHRAE
Publication Date
Description
Report describing the use of attic ventilation to control moisture in cathedral roofs and avoid the formation of ice dams.
Description
Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Description
Guide describing methods for insulating an unvented attic along the roof line.
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Description
Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Description
Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Description
Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
Publication Date
Description
Video showing the requirements for attic vents in homes to comply with IBHS FORTIFIED Home requirements.
Organization(s)
Building Science Corporation,
BSC
Publication Date
Description
Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.
Description
Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.
Description
Guide describing how to select and install whole-house ventilation systems for existing homes.
Organization(s)
Building Science Corporation,
BSC
Publication Date
Description
Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.
Description
Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.
Description
Guide describing how to apply spray foam insulation to ceilings in existing homes.
Description
Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
Description
Information guide describing things to consider in the attic, ceiling, or roof before attempting retrofits of items including HVAC, wiring, or structural systems.
Organization(s)
Building Science Corporation,
BSC
Publication Date
Description
Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.
Organization(s)
Miami-Dade County
Publication Date
Description
Report covering the selection of roof vents for rainwater resistance.
Description
Guide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.
Publication Date
Overview
The intent of this brief is to provide code-related information about sealing and insulating existing vented attics to help ensure that the measure will be accepted as being in compliance with the code. Providing the same information to all interested parties (e.g., code officials, builders, contractors, designers, etc.) is expected to result in increased compliance and fewer innovations being questioned at the time of plan review and/or field inspection.
Description
Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Organization(s)
Building Science Corporation,
BSC
Publication Date
Description
Article describing methods for venting a vented attic and a roof assembly over an unvented attic.
Publication Date
Organization(s)
Owens Corning
Description
Video presentation describing proper attic venting design for energy efficiency and weather resistance.
Description
Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.
Description
Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.
Organization(s)
Journal of Light Construction,
JLC
Publication Date
Description
Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.
Publication Date
Description
Video describing attic ventilation methods for wind and water-resistant roofs to comply with FLASH Strong Home guidelines and improve hurricane resitance.
Publication Date
Description
Video showing proper attic ventilation systems for hurricane-prone regions compliant with IBHS Fortified Home standards.
Description
Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.
Organization(s)
City of Davis,
State of California
Publication Date
Description
Article describing the use of whole-house fans to provide cooling in the region surrounding Sacramento, CA.
Description
Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Organization(s)
National Association for State Community Services Programs,
NASCSP,
Weatherization Training Center at Penn College,
Pennsylvania College of Technology,
PCT
Publication Date
Description
Technical article describing issues and moisture concerns related to weatherization efforts.
Description
Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.
Description
Guide describing how to air-seal bathroom and kitchen exhaust fans.
Description
Guide describing how to hang ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed in a manner that would cause damage to the ducts, the duct insulation, or the duct air barrier covering.
Description
Guide describing method for designing and installing ducts in a raised ceiling chase.
Description
Guide describing the use of building cavities as supply or return ducts.
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.