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.

You can save energy and maintain a comfortable swimming pool temperature by using a smaller, higher efficiency pump and by operating it less.

Calculator to help homeowner's calculate the size of pool pump they need.

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.

Factsheet with information on energy efficient pool pumps.

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

Table of criteria for pool pumps to achieve ENERGY STAR certification.

This CASE report proposes updates and revisions to the standards for residential swimming pool filtration pumps, new and replacement single phase pump motors under 5 horsepower (HP), controllers, portable electric spas as well as expanding the scope of the current standards to include light emitting...

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.

This report discusses proposed updates to the pool pumps and motors, and portable electric spas standards in the Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 to 1609). These proposed updates are part of the 2012 Appliance Efficiency Rulemaking, Phase I...

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 research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

Brochure describing HVAC filter options for efficiency and IAQ.

Guide addressing troubleshooting and frequently asked questions about water pressure.

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.

Website providing a searchable list of products that meet the EPA WaterSense criteria for water savings.

Webpage describing specification requirements including checklist that establishes the criteria for water-efficient homes under the U.S. Environmental Protection Agency's (EPA's) WaterSense program.

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.