Library

The manual covers residential zoning issues - multiple, single-zone, and central multi-zone systems - and includes advice on working with homeowners to adapt the heating or cooling system design to meet modern home design features.

The research report outlines a practical and cost-effective strategy utilizing central HVAC systems to optimize humidity control and ventilation in energy-efficient homes located in hot-humid climates, demonstrating significant improvements without requiring complex equipment upgrades.

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.

Case study about high humidity, mold and condensation on surfaces in S. Florida, and how building characteristics cause and amplify these problems.

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

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Web report explaining how correct filter sizing is an issue that applies to all new and existing homes that use ducted HVAC systems.

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.

Report providing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Information sheet about efficiency and health benefits of MERV filters.

Research study showing that for a relatively small investment, a variable speed pool pump can reduce pool pump energy use by 50% to 75%.

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.

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.

Research study identifying the best performing, most energy-efficient and cost- effective techniques to provide controlled mechanical ventilation and humidity control in hot- humid climates with thermally efficient building envelopes.

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.

Brochure describing HVAC filter options for efficiency and IAQ.

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

Fact sheet describing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.

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.