Library

Report describing an air distribution system composed of a series of uniformly-sized ducts that terminate in rooms throughout the home and return to a central manifold, similar in fashion to a “home-run” cross-linked polyethylene plumbing system.

Website containing commercial information related to air conditioning and heating.

Fact sheet describing best strategies to bring ductwork on single-story homes with a slab-on-grade foundation in hot, dry climates into the conditioned envelope of the home intending to highlight the pros and cons of multiple ductwork integration strategies, including traditional duct systems in...

This ANSI/RESNET/ICC standard provides a consistent, uniform methodology for evaluating the airtightness of building, dwelling unit, and sleeping unit enclosures and heating and cooling air distribution systems, and the air flows of mechanical ventilation systems.

DOE report characterizing market and technical barriers impeding broader utilization of fault detection technology for residential HVAC energy efficiency applications.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2017 and is available to order at the referenced link.

Technical report describing algorithms that use communicating thermostat heating data and that were developed to optimize customer adoption of energy conservation measures, enhancing the identification of retrofit opportunities, estimating post-retrofit energy savings, and enabling home-specific...

Factsheet describing methods for securing HVAC units to avoid damage during an earthquake.

Program criteria for central air conditioner and heat pump equipment.

Article describing how evaporative coolers work and how to maintain them.

Web article describing the evolution of evaporative coolers, water usage of evaporative coolers, and links to information on selecting an evaporative cooler.

Fact Sheet describing the need for supplemental dehumidification, dehumidifier configuration options, and design considerations.

Software tool available free online that can help calculate heating and cooling requirements to accurately size HVAC equipment in as little as 15 minutes.

Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes.

Report describing the most cost-effective ventilation and indoor air quality solutions for multifamily homes that meet ASHRAE 62.2-2016.

Web resource that lays out the pre-work considerations, methods and finishes for installing mechanical insulation.

Standard establishing a test procedure for evaluating the performance of air-cleaning devices as a function of particle size. This is the current version of the standard, which was published in the year 2017, and is available for preview and purchase at the reference link. The ASHRAE bookstore also...

Guide describing flood protection measures for utility systems, including mechanical, electrical, plumbing, and fuel.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

This research paper outlines residential HVAC advanced controls and sensors. It includes a technology review, applications, maintenance and commissioning, occupant behavior and a summary of the state-of-the-art technologies for advanced controls for residential HVAC.

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

Standard 680 establishes definitions, classifications, test requirements, data requirements, ratings, operating requirements, marking and nameplate data and conformance conditions for residential air filter equipment.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

Standard that provides procedures and methods for meeting minimum ventilation and indoor air quality requirements to engineers, design professionals, owners, and jurisdictional authorities where model codes have been adopted. This is the current version of the standard, which was published in the...

Webinar presenting best practices in HVAC design and commissioning