Library

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.

Information sheet containing images and descriptions of cantilevers.

Technical report describing design and construction methodologies for durable balconies and decks, focusing on proper sloping, flashing, drainage, and ventilation to mitigate moisture-related issues.

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

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

Information sheet about efficiency and health benefits of MERV filters.

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.

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.

Report illustrating CAD drawings and modeling of bracing layouts for a gable roof truss.

Brochure describing HVAC filter options for efficiency and IAQ.

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

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

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.