Library

Article describing vapor retarder requirements in the International Residential Code and International Building Code 2021.

Vinyl siding estimating and installation guide for vinyl siding products.

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.

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

Article discussing flow-through assemblies of walls.

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

Report covering reservoir claddings, back ventilation and vapor throttles.

Information sheet about efficiency and health benefits of MERV filters.

FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.

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

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

Document covering basic moisture control principles in the design of above-grade building enclosures; driving rain as a moisture load on walls; a classification system of the various rain control strategies available for walls; and good design practises for walls.

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.

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

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.

A field guide with residential construction best practices.

Brochure describing HVAC filter options for efficiency and IAQ.

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

Information sheet describing the function of a vapor barrier, and methods to retard the migration of water vapor.

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

Document outlining a well-detailed drainage plane and flashings.

Article describing different types of water softeners and how they work.

EPA coronavirus Q&A discussing the role of HVAC filters in dealing with COVID-19.

Article describing the impacts of wildfire smoke on indoor air quality and some ways ASHRAE is responding.