Library

Webpage listing ACCA Manual J and D calculation software that is approved by ACCA.

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.

Report assessing the accuracy of HEST as it was being developed and to provide information useful to DOE program managers and HEST development team at Lawrence Berkeley National Laboratory.

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.

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

Online calculator for estimating payback of adding additional insulation to your house.

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

Factsheet describing how HEScore, a tool used for energy modeling, rates home energy performance based on physical assets and makes recommendations for improvement.

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%.

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

Webpage describing the Quality Install Tool, an open-source web app designed to simplify, standardize, and expedite the creation of high-quality installation documentation for HVAC installations and efficiency upgrades.

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.

Software enabling low-carbon planning, implementation, monitoring and reporting.

Article from the Institute of Biological Engineering describing reverse osmosis water softeners.

A CD guide intended to help communities mitigate damage or loss from tornadoes and other extremewind events, and provide public information resources for conveying the importance of safe room construction.

Tool determining the most economical and efficient photovoltaic array location and position.

Handheld solar site analysis tool capturing whole-horizon images for a site and generating shading analysis reports.

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.

Fact sheet poster describing a DOE tool that walks homeowners through a series of simple questions to produce a list of retrofit recommendations to improve the energy efficiency, indoor air quality, and durability of the homeowners’ home, while also lowering their carbon footprint.

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.