Library

2018 edition of code establishing minimum regulations for mechanical systems, including heating, cooling, ventilation, exhaust, ducts, fireplaces, combustion and hydronic systems, using prescriptive and performance-related provisions.

A presentation on the 2020 State Mechanical Code for easier understanding.

Federal statistics about national energy consumption in residential homes in 2020

Performance rating standards for unitary air-conditioners and unitary air-source heat pumps, including definitions, classifications, testing, rating, and operating requirements, as well as minimum data requirements for published ratings and markings.

Guidebook covering basic principles and data used in the HVAC&R industry. This is the 2023 edition of the handbook, which can be purchased physically or digitally at the reference link in versions using either I-P units of measurement or SI units of measurement.

Article describing products that can enhance the efficiency and safety of clothes dryer vents.

Article describing methods for venting a vented attic and a roof assembly over an unvented attic.

Report describing the results of a field study of five different ventilation system types in 29 homes in the Pacific Northwest.

Paper discussing innovative strategies for improving ventilation systems in high-rise apartment buildings, focusing on compartmentalization and controlling stack effect pressures to enhance indoor air quality and energy efficiency published in the Proceedings of the Eighth Conference on Building...

Report describing how changing the air exchange rate of a home (the sum of the infiltration and mechanical ventilation airflow rates) affects the annual thermal conditioning energy.

Energy Star web page providing guidance on attic ventilation.

Website containing commercial information related to air conditioning and heating.

Website homepage for the Air Conditioning Contractors of America (ACCA).

Standard covering equipment sizing loads for single-family-detached homes, small multi-unit structures, condo­miniums, town houses and manufactured homes.

The manual covers residential zoning issues - multiple, single-zone, and central multi-zone systems - and includes advice on working with homeowners to adapt the heating or cooling system design to meet modern home design features.

Standard covering sizing strategies for all types of cooling and heating equipment, as well as how to use comprehensive manufacturer’s performance data on sensible, latent, or heating capacity for various operating conditions.

Standard providing nationally recognized, manufacturer-endorsed set of inspection tasks for HVAC maintenance.

Standard providing a universally accepted definition for quality installation for residential and commercial heating, ventilating, and air conditioning applications.

Document detailing the requirements, roles, and obligations for participants in an organized effort, ensuring that HVAC installations comply with the ANSI/ACCA 5 QI – 2010 (HVAC Quality Installation Specification) QI Standard.

Website providing research, efficiency and safety standards development, and advocacy to the home appliance industry to bring efficient, high-performing home appliances to consumers.

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.

This is a federal tax credit for complying air source heat pumpe. Units located in the "North" must meet ENERGY STAR's cold climate heat pump criteria.

Document providing step-by-step guidance to sizing air-source heat pumps for a cold climate.

Webpage describing the functionality and benefits of switching to Air Source Heat Pumps, as well as linking to sets of products, rebates, most efficient ASHPs, and providing consumer aid for purchasing an ASHP.

Fact sheet describing the research on energy-efficient strategies for small single-story homes, including manufactured and Habitat for Humanity-built homes, utilizing mini split ductless heat pumps and through-wall transfer fans to achieve a 50% reduction in energy consumption compared to the 2009...

Technical report describing the integration of mini split ductless heat pumps and through-wall transfer fans in small single-story homes, to achieve a 50% reduction in space conditioning energy consumption compared to the 2009 International Energy Conservation Code, while ensuring affordability and...

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

The exhaust from residential combustion appliances contains air pollutants and high levels of moisture that must be conveyed to the outdoors to maintain acceptable indoor quality.

Technical report describing the evaluation of air management systems in a high-rise apartment building in Toronto, Ontario, focusing on air leakage, suite depressurization, and the performance of in-suite exhaust and corridor ventilation systems.

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

Articles describing attic and ceiling insulation, including mentions of baffles with protect insulation from wind washing.

Web page describing the benefits of attic fans, with rules for sizing fans and intake vents.

Blog article discussing pros and cons of attic ventilation fans.

Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.

Technical article describing issues and moisture concerns related to weatherization efforts.

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.

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.

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

ENRGY STAR webpage discussing the basics of certified ceiling fans.

Information sheet with information about insulating and ventilating attics.

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.

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.

Technical report detailing a study in which actual cooling loads are compared to modeled cooling loads.

Webpage with instructions for heat pump installers to choose the most suitable type of heat pump system, according to a project’s specific requirements.