Library

Standards book discussing the minimum standards of total system balance of HVAC systems.

Standard covering equipment sizing loads for single-family-detached homes, small multi-unit structures, condo­miniums, town houses and manufactured homes.

Technical manual from ACCA outlining correct methods for zoning of residential HVAC systems.

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.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2017 and is available to order at the referenced link.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2021 and is available to order at the referenced link.

Training manual on how to locate ducts within conditioned space and compact design.

Report describing strategies to improve the aging steam heating systems in New York City to improve energy efficiency, reduce oil and gas usage, and cut maintenance costs.

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.

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

Central return designs require an open pathway between the room and the heart of the house where the return grill is located.

Information sheet about efficiency and health benefits of MERV filters.

Standard technical manual with information about HVAC balancing, testing air and hydronic systems.

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.

Webpage describing the standards, seminars, exams, etc regarding testing, adjusting and balancing (TAB).

Article about installing balanced ventilation systems.

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 discussing the risks that can occur from undercutting bedroom doors to provide return airflow from bedrooms, as well as corrective measures that can be taken to address these risks.

Web article describing the defining characteristics of the CW and AW window performance classes.

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