Library

Technical report describing the SPS (Structural Panel System), an innovative implementation of the "perfect wall" concept, situating environmental control layers on the exterior side of structural components for improved constructability, cost-effectiveness, and performance, validated through the...

Website reporting efficiencies for dehumidifiers, room air conditioners, and room air cleaners that are tested by independent laboratories and reported by the Association of Home Appliance Manufacturers.

View the APSP/ANSI Standards and codes below to get information about ANSI specifications for pools, spa and hot tubs.

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

Report covering interior energy retrofits of masonry buildings.

Document focusing on the design and wall components that contribute to a pressure equalized rain screen wall, including the frequency of the weep holes and other brick masonry rain screen wall requirements.

Web based tool providing decision-making guidance for selecting wall assembly components.

Article describing the principle of capillarity in construction materials.

Article describing how closed crawlspaces can do "double duty" by controlling moisture and providing energy savings.

Guidance from Zero Energy Project on construction techniques for warmer climates, such as home orientation, and insulation requirements.

Article about how mortar droppings during the installation of a brick veneer can clog the weep holes in the wall assembly causing moisture damage. The article also illustrates products that can be installed in the ventilated cavity to mitigate this problem.

Report covering exterior energy retrofits of masonry buildings.

Report that demonstrates the durability, constructability, and cost-effectiveness of the extended plate and beam (EP&B) wall system for new construction housing projects in compliance with the International Energy Conservation Code, addressing moisture risk management and high-performance envelope...

ASHRAE Q&A addressing HVAC filtration and disinfection for reducing the spread of COVID-19.

Article describing five fundamental changes to building construction from the last 50 years and their modern construction consequences.

A starting point for ballparking and comparing the cost of different siding materials and a brief overview of the pros and cons of different siding materials.

Article describing considerations for choosing a room-level air cleaner to improve indoor air quality.

Article describing how omission of two small but critical wall details, a kick-out flashing and a weep screed, lead to extensive water damage to a wall.

Guide detailing best practices on how to build wall assemblies with absorptive claddings such as brick, stone that drain and dry well.

Information sheet about efficiency and health benefits of MERV filters.

Article describing walls and moisture development on them.

Webpage featuring hundreds of illustrations of masonry construction details for brick, congrete, stone, tile, stucco, etc.

Siding installation guide for Ply Gem Siding Group products.

Article describing how moisture accumulates inside of structures and issues that result.

Website providing guidance about mold and moisture for homes, schools, multifamily and commercial buildings.

Online course providing an overview of mold prevention and mold remediation.

Article describing mulch requirements and benefits.

Building science insight into crawlspaces.

American Lung Association web page providing information on particulate matter and indoor air quality.

Fact sheet from Wisconsin Focus on Energy explaining how to prevent future ice dams on homes by learning about their formation and mitigation of contributing factors.

List of recommendations from IBHS on how to protect homes from ice dam formation.

Website with information about radon-resistant construction techniques and other radon resources for builders, contractors and homebuyers.

An example of a form a building codes department created to ensure builders are fully aware and have taken steps to provide drainage so that water doesn’t accumulate behind siding. This example is from the city of Newberg, Oregon.

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

A free tool used to calculate the required minimum flow rate of dwelling-unit ventilation.

Report providing guidance on indoor air quality in single-family and multifamily housing for designers, builders, property managers, homeowners, buyers, and renters.

Fact sheet describing methods for flashing and air-sealing windows and doors.

Article from the Institute of Biological Engineering describing reverse osmosis water softeners.

Report from FEMA describing techniques for floodproofing structures.

Proposed HVAC filter labeling standard and underlying analysis by the California Energy Commission.

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; published in the year 2019, and is available for preview and purchase at the...

Standard that describes the minimum requirements for residential buildings to achieve acceptable indoor air quality via dwelling-unit ventilation, local mechanical exhaust, and source control. This version of the standard was published in the year 2022, and is available for preview and purchase at...

Standard 680 establishes definitions, classifications, test requirements, data requirements, ratings, operating requirements, marking and nameplate data and conformance conditions for residential air filter equipment.

Standard describing a simple, relatively cost-effective approach to evaluating the ability of a variety of materials to support microbial growth using a small chamber method. A preview of the standard is available at the link, with the full version available for purchase.

Specification describing criteria for manufactured polymeric materials used to provide a rainscreen function, a means for the drainage of liquid moisture and the ventilation of vapor moisture that enters an above-grade exterior wall assembly which was published in the year 2019, and is available for...

Fact sheet describing water management in a residential building.

Brochure describing HVAC filter options for efficiency and IAQ.

NAFA’s user guide for understanding ANSI/ASHRAE Standard 52.2-2012.

Guide providing information on controlling attic ductwork sweating.

Report describing filtration, distillation, and disinfection methods of water treatment.