Organization(s)
HVI
Publication Date
Description
Web page describing the benefits of attic fans, with rules for sizing fans and intake vents.
Showing results 1 - 100 of 156
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.
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)
Building Science Corporation,
BSC
Publication Date
Description
BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.
Organization(s)
Energy Vanguard
Publication Date
Description
Blog article citing the risks and downsides of attic ventilation fans from a building science perspective.
Organization(s)
Florida Solar Energy Center,
FSEC
Publication Date
Organization(s)
Green Building Advisor
Publication Date
Description
Article describing issues with attic ventilation fans and why the state of Georgia residential code does not allow plug-in attic ventilation fans.
Organization(s)
Energy Texas
Publication Date
Description
Blog article discussing pros and cons of attic ventilation fans.
Organization(s)
U.S. Department of Energy,
DOE
Publication Date
Description
Powerpoint on attic ventilation developed as training material for the Weatherization Assistance Program.
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)
CMHC,
Government of Canada
Publication Date
Description
Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.
Description
Guide describing how to install obvious ventilation controls.
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 install ventilation air inlets in open locations at a safe distance from potential air contamination sources.
Description
Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Organization(s)
NREL
Publication Date
Description
Articles describing attic and ceiling insulation, including mentions of baffles with protect insulation from wind washing.
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 how to install continuously operating exhaust fans.
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.
Organization(s)
BSC
Publication Date
Description
Report discussing how to create livable space in the attic that meets IRC code requirements by either creating a ventilated roof assembly, or and unvented attic assembly.
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 how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.
Description
Guide describing how to evaluate existing ventilations systems before performing home upgrades.
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.
Description
Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.
Description
Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.
Description
Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
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
This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.
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.
Overview
The intent of this brief is to cover the new requirements for new wood-burning fireplaces regarding doors, dampers, and combustion air and proper ventilation.
Publication Date
Overview
The intent of this brief is to provide code-related information about properly sealing heating, ventilating, and air conditioning (HVAC) register boots to help ensure that what is proposed regarding sealing the register boot will be accepted as being in compliance with the code. Providing consistent information to document compliance with codes and standards to all relevant parties responsible for verifying with those codes and standards (e.g., code officials, builders, contractors, designers, etc.) is expected to result in increased compliance and more timely, less challenging and more uniform plan review and field inspections.
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.
Description
Guide describing how to install a bathroom exhaust fan to remove excess moisture.
Organization(s)
PNNL,
CARB,
SWA
Publication Date
Description
Case study describing a DOE Building America Top Innovation on HVAC ducts located in vented attics that are encapsulated in foam and buried in attic insulation.
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)
U.S. Department of Energy,
DOE,
Pacific Northwest National Laboratory,
PNNL,
Department of Consumer & Regulatory Affairs,
CRA,
Colorado Code Consulting,
National Renewable Energy Laboratory,
NREL
Publication Date
Description
Webinar answering code-related questions on duct leakage tests, moisture levels in attics and crawlspaces, combustion equipment in conditioned attics, ventilation in multifamily buildings, and continuous insulation in residential construction.
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
Information guide describing ways to design a home to be resistant to extreme heat.
Description
Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.
Description
Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.
Description
Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.
Description
Guide describing how to air-seal bathroom and kitchen exhaust fans.
Description
Guide describing how to install a radon mitigation fan with various types of house foundations.
Description
No outdoor air intakes connected to return side of the HVAC system, unless controls are installed to operate intermittently & automatically based on a timer and to restrict intake when not in use (e.g., motorized damper)
Description
Guide describing how to install back-draft dampers in exhaust fans to make a shared duct possible.
Description
Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Description
Guide describing how to construct homes and decks to manage heavy snow loads in winter weather.
Description
Guide describing steps to keep birds, rodents, and other pests out of vent openings and other locations in new and existing homes.
Description
Information guide describing things to consider before attempting retrofits that may include hazardous materials.
Description
This guide describes the need for installing a wiring conduit for future solar photovoltaic installations.
Description
This measure guide describes the need to install a plumbing and wiring chase for a future solar hot water installation.
Description
Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.
Description
Guide describing various ways of implementing passive and low-energy cooling techniques for a house.
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 proper installation of high-MERV furnace and air-handler filters.
Description
Guide describing the use of building cavities as supply or return ducts.
Description
Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms, enabling constant air flow for conditioning and freshness even when room doors are closed.
Description
Information guide providing background information about air flow in residential buildings.
Description
Information guide providing an overview of winter weather issues for home owners and building science solutions for home builders.
Description
Guide describing how to air seal and insulate flex ducts.
Description
Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.
Description
Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.
Description
Information guide listing Building America Solution Center guides that describe ways to air-seal and insulate a new or existing home's walls to resist heat gain.
Description
Overview guide providing background information on extreme heat in the United States as it relates to homes and links to guides describing specific ways to make homes more resistant to extreme heat.
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Description
Guide describing how to conduct duct leakage tests on all components of the HVAC system (including the air handler, ductwork, register boxes/boots, and all air devices such as diffusers, registers, or grilles).
Description
Guide describing how to air seal and insulate metal ducts.