Library

Web article describing common issues that can cause refrigerant system flare joints to leak.

2012 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

2012 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 supplement to the 2012 Florida Building Code on energy efficiency and conservation.

Document describing the air leakage provisions of Appendix RA of the 2015 IECC (prepared for the State of Georgia to assist with compliance with their 2019 Energy Code).

2015 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.

Fact sheet providing an overview of FEMA P-348, Protecting Building Utility Systems From Flood Damage.

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.

Guidebook covering basic principles and data used in the HVAC&R industry. This is the 2021 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.

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.

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.

Standards book discussing the minimum standards of total system balance of HVAC systems.

Standard providing master specifications for closed cell, medium density spray polyurethane foam air barriers located in the non-accessible part of the wall.

Standard outlining materials and installation methods by using commercial building wraps.

Standard providing information about self-adhered sheet air barriers located in the non-accessible part of the wall and materials to bridge and seal air leakage pathways and gaps.

Standard outlining materials and installation methods for a liquid-applied vapor permeable air barrier systems located in the non-accessible part of the wall.

Vinyl siding estimating and installation guide for vinyl siding products.

Website containing commercial information related to air conditioning and heating.

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

Webpage of ACCA’s Quality Standards outlining precisely the procedures that contractors should follow when designing, installing, maintaining, repairing, and verifying indoor environment systems.

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

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.

Technical manual from ACCA outlining correct methods for zoning of residential HVAC systems.

This Standard establishes the minimum requirements to evaluate a residence with regards to energy efficiency, water conservation, occupant comfort, and indoor air quality.

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.

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...

Standard for use and reference by designers, architects, engineers, contractors, installers and users for evaluating, selecting, specifying and properly installing flexible duct in heating and air conditioning systems.

The research report outlines a practical and cost-effective strategy utilizing central HVAC systems to optimize humidity control and ventilation in energy-efficient homes located in hot-humid climates, demonstrating significant improvements without requiring complex equipment upgrades.

A website explaining the process of sealing a home with Aeroseal & how the technology is used to seal holes in the air ducts and vents of the home.

Technical report describing the research behind a new aerosol-based sealing method, utilizing pressurization and a dispersed sealant fog, facilitated by a standard blower door, to automatically measure, locate, and seal air leaks in new homes in the United States, providing an efficient solution to...

Information on the control of air flow across building enclosures to control moisture damage, reduce energy losses, and ensure occupant comfort and health. A continuous, strong, stiff, durable and air impermeable air barrier system is required between the exterior and conditioned space to control...

Document reporting results from a study done to evaluate effects of automotive emissions from attached garages on the indoor environment.

Fact sheet describing air-sealing concerns and remedies, including HRV/ERV installation, caulking, spray foam, and weatherstrip installation.

Article describing how an airtight home shell helps achieve a tight envelope that is energy efficient and cost effective.

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.

Article describing how to stop air leaks around the windows and doors of a home.

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.

Website article interviewing the inventor of the Larsen truss, a history of its use, and a discussion of its advantages and disadvantages.

Article about different types of weather resistant barrier.

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.

Article describing air sealing and air barriers in buildings.

Technical report describing the thermal performance of 40 common building envelope details for mid- and high-rise buildings, including analyses to optimize energy efficiency and reduce thermal bridging.

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