Library

Standard providing a methodology for evaluating the installation quality of unitary HVAC systems.

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.

Standard covering updates to the expected leakage rates for ductwork constructed to the SMACNA HVAC Duct Construction Standards—Metal & Flexible, duct leakage test procedures; includes recommendations on use of leakage testing, types of test apparatus, and test setup and sample leakage analysis.

Report about a building project in the marine climate.

Report describing a field investigation of failure rates of whole-house mechanical ventilation systems installed in Florida homes.

Report describing methodology, analysis, and findings from a case study of a 110-unit retrofit of gas tankless water heaters in a hot/humid climate in Alachua County, Florida.

ASTM standard providing test methods for determining duct air leakage in low-rise residential and commercial buildings.

Standard establishing test methods for determining air leakage in duct systems using fan pressurization in low-rise residential and commercial buildings.

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

YouTube channel featuring 90+ videos to educate Bay Area homeowners and contractors about seismic retrofitting, including information for various home and construction types.

Report summarizing commissioning, short-term testing, utility bill data analysis, and results of on-site monitoring of a deep energy retrofit.

Article describing how demand plumbing systems send cold water back to the water heater until hot water arrives at the sink, shower or other fixture where it is needed.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

Case study describing solar thermal and photovoltaic systems in new construction.

Brochure intended to provide readers with a working knowledge of residential heating and cooling duct systems.

Article describing the common ventilation system types, issues, and solutions in New York City's multifamily residential buildings to improve indoor air quality, occupant health, and building durability.

Article explaining the importance of regular inspections of boiler systems in maintaining their safety, lifespan, and efficiency.

This directory contains the I=B=R Ratings for cast-iron, steel, aluminum and copper boilers, baseboard and finned tube radiation, indirect-fired water heaters, effective as of the date of this publication.

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.

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 2021 and is available to order at the referenced link.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Report describing the recommended best practices to achieve energy savings without compromising health or safety.

The Builder's Guide provides the building industry with the latest and best practical information on how to apply building science principles to structures as systems in hot-humid climate regions.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the cold and very cold climates.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the hot and humid climate.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the hot-dry and mixed-dry climates.

Case study describing solar thermal and photovoltaic systems in new construction.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the mixed-humid climate.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the marine climate.

Case study describing solar thermal and photovoltaic systems in new construction.

Report provides a proposed set of guidelines for estimating the energy savings achieved by a package of retrofits or an extensive rehabilitation of an existing home.

Document describing the Building America research benchmark for the residential building program.

Document testing feasibility of constructing a new single-family home engineered to reduce the home's energy loads to an absolute minimum so that most needs could be met by solar systems.

Report summarizing research results for the 30% energy savings level and demonstrates that lead builders can successfully provide 30% homes in the Hot-Dry / Mixed-Dry Climate Region on a cost-neutral basis.

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

Website with consumer and contractor information about building codes and regulations for solar water heating systems.

Training module describing the operation, efficiency, consumer and seller benefits, and cost comparison of Heat Pump Water Heaters (HPWH) against conventional gas, oil, or electric water heaters.

Training manual on how to locate ducts within conditioned space and compact design.

Webpage containing California Energy Commission's HVAC design information, including mandatory and prescriptive HVAC requirements for residential and nonresidential buildings following the California Energy Commission's Building Energy Efficiency Standards.

AHRI-hosted directory of residential products meeting CEE's highest tier

Report describing ventilation system design, including a central fan integrated supply (CFIS) system, made up of a 6-inch outdoor air intake duct connected to the return side of the air handler with a fan cycling control to make sure the fan runs a programmed minimum amount of time.

Design guide providing solutions and tools for designing central heat pump water heater systems in multifamily and other commercial buildings.

Report about City of Meriden Housing Authority's (MHA) collaboration with Jonathon Rose Companies to complete a gut renovation of 126 residential units in the Chamberlain Heights retrofit project.

Part 2 of an article discussing how to maximize two-pipe steam systems for resident space heating.

Report describing strategies to improve the aging steam heating systems in New York City to improve energy efficiency, reduce oil and gas usage, and cut maintenance costs.

Manual showing duct cleaning contractors how to identify the different types of insulated air ducts, how to open each type for access by cleaning equipment and personnel, how to close and seal openings after cleaning.

Specification defining performance and reporting requirements to meet the voluntary “Cold Climate Air Source Heat Pump Specification” (ccASHP Specification) for air source heat pumps suited to heat efficiently in cold climates (IECC cz 4 and higher).

Webpage outlining how to optimize the installations and performance of mini-split heat pump systems. As well, it discusses a set of design considerations for multi-level homes, low load homes, and heat distribution to rooms without a heat source.

Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

Information sheet summarizing inspection and testing of combustion appliances taught during the 2006 Florida whole-house weatherization training as part of the U.S. Department of Energy’s Hot Climate Initiative.