Library

2018 edition of code for commercial buildings that brings together all structural, plumbing, mechanical, fuel gas, energy and electrical provisions for all buildings except detached one- and two-family residences and townhouses up to three stories.

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.

A publication highlighting recommendations that contribute to improved overall performance in the structural shell and focus on good connection details to tie together exterior walls, roofs and floors.

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 describing a deep energy retrofit project for a two-family wood framed home located in Belmont, Massachusetts.

A list of EPA-certified wood-burning appliances for home heating for a range of budgets.

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

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel (WSP) sheathing as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 in. thick over the WSP, and a cladding system installed over the foam sheathing in low...

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.

Wildfire construction guidelines from the Colorado State Forest Service focusing on site design and building materials to mitigate damage to homes in wildfire-prone areas.

IRC guide referencing wood truss bracing best practices and requirements.

Website providing information on low-energy and standard cooling systems, with a focus on saving energy.

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.

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.

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

Calculator to help in calculating pool volume.

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...

Report informing building stakeholders about the risks a snow event poses to their buildings, preventative measures to take before the snow season, and actions that should be taken before, during, and after a snow event.

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.

Report covering coating and back venting wood based claddings and trim.

Image depicting damage from termites in weatherboard cladding.

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.

Web page providing links or specifications for homes to be labeled through the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Report providing design guidance for wood-framed residential construction in high wind areas where design wind velocity requirements do not exceed 140 miles per hour.

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.