Library

Report providing guidance on wet floodproofing crawlspaces, unfinished basements, and garages.

Report providing guidance to homeowners and business owners on protecting crawlspaces from flood damage.

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.

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

Report aimed to quantify the impact of closed crawlspaces in new homes, and investigate modeling software to ensure accuracy of energy consumption predictions in these homes.

Guide about designing and installing closed crawlspaces in the Southeast.

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

Report outlining how conditioned crawlspaces perform better than vented crawlspaces in terms of safety, health, comfort, durability and energy consumption.

Information sheet about crawlspace insulation, including installation details.

Article discussing whether or not to seal and insulate crawlspaces.

Guide provides homeowners ways to prepare for an earthquake and protect a home against earthquake damage.

Report analyzing results in crawlspace retrofits in multifamily buildings.

Article explaining what a continuous load path is and the key connection points that make it up.

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

Article describing methods to manage moisture, rainwater, and vapor in basements and crawlspaces.

Handbook providing guidance on the design and construction of foundations for homes, including insulation, air sealing, and water management details for basements, crawlspaces, and slabs.

Article describing what the building codes say about frost-protected shallow foundations as a cost-saving alternative to conventional concrete foundations.

Guides describing frost-protected shallow foundations as an alternative method for building an energy-efficient foundation for a house in a cold climate that uses less concrete and saves on labor.

Article describing frost-protected shallow foundations with construction drawing details.

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

Report outlining results from a 2005 hygrothermal pilot study in the South.

Video describing how a frost-protected shallow foundation (FPSF) is constructed and including use of a stay-in-place EPS (expanded polystyrene) footing form that provides insulation and simplifies the installation of frost-protected monolithic concrete slab foundations.

Video describing how a frost-protected shallow foundation (FPSF) is constructed and including use of a stay-in-place EPS (expanded polystyrene) footing form that provides insulation and simplifies the installation of frost-protected monolithic concrete slab foundations.

Information sheet about efficiency and health benefits of MERV filters.

Information sheet providing links and resources for insulating basements in cold climates.

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.

Building science insight into crawlspaces.

Document describing guidance and requirements for flood openings in walls at and below grade.

Report providing guidance on protecting foundation walls and enclosures from flood damage.

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

Information sheet including a checklist of steps to follow for pouring concrete.

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.

Report describing how to construct a frost protected shallow foundation (FPSF) as a practical alternative to a deeper, more-costly foundation in cold regions with seasonal ground freezing and the potential for frost heave.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Fact sheet describing building envelope performance measures applicable to residential and small commercial construction.

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.

Article describing the risks associated with vented and unvented crawlspaces in different climate zones.

Brochure describing HVAC filter options for efficiency and IAQ.

Information sheet with methods for constructing or retrofitting basements to reduce moisture issues.

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.