Library

Article about installing balanced ventilation systems.

Article describing thermal bridging, construction practices that encourage thermal bridging, and solving thermal bridging through continuous exterior insulation.

Research study investigating the thermal efficiency of fasteners, namely drywall screws and siding nails, in high-performance wood-framed walls.

Report proposing a procedure for estimating the whole opaque wall R-value (whole-wall R-value), independent of system type and construction materials.

Article describing the evolution of the IRC to permit class 3 vapor retarders (latex paint) in walls coupled with exterior continuous insulation to allow drying and reduce condensation risk.

Research study describing a detailed 3D computational fluid dynamics model that evaluates the thermal performance of uninsulated wall assemblies.

Website providing consumer tips for using natural gas safely in the home, including guidance on cooking, fireplaces, ventilation, pilot lights, piping, etc.

Technical conference paper discussing real world experience with Trombe walls.

BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.

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...

Technical fact sheet highlighting important building connections and illustrating the proper use of various types of connection hardware; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

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.

Report about a project with successful integration of numerous energy-conservation and renewable-energy features into a beautiful, comfortable, and very energy-efficient off-grid home.

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...

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

Report summarizing NRELs efforts to develop diagnostic test cases to conduct accurate energy simulations when phase change materials (PCMs) are modeled in residential buildings.

Publication with installation guidance for vinyl siding.

Document describing wall bracing techniques and suggestions for the city of Verona, WI building department.

A guide describing how to do wall bracing calculations and evaluations.

A presentation about the need for rainscreens including the damage water and moisture ingress into a home’s siding and framing can cause, and ways to design a resilient wall that drains and ventilates well.

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

An article written by Don Jackson of The Journal of Light Construction on how to detail brick veneer siding wall.

Web page explaining what a cool exterior wall is and how they work, as well as benefits to their use and links to research studies.

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.

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

Report describing the design and construction of a highly energy efficient community of ten duplexes in Greenfield, Massachusetts.

A hurricane retrofit guide describing techniques for strengthening roof-to-wall connections for family homes.

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