Library

2009 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.

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).

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

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.

Web page describing essential guidelines and recommendations for optimal installation of ductless heat pumps in cold climates, ensuring maximum heating performance and long-term satisfaction for homeowners, supported by research-backed insights and detailed resources.

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.

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).

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.

Specifications for water heating systems designed to advance higher performing electric and gas heat pump water heaters.

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.

Report examining the effectiveness of an aerosolized acrylic technique for air sealing existing homes to reduce air leakage and improve energy efficiency.

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...

Fact sheet describing an innovative aerosol-based sealing technique for tightening building envelopes in new homes, involving pressurizing the structure and dispersing an aerosol sealant "fog" to autonomously identify and seal leaks, with real-time feedback through a standard blower door and laptop...

Brochure about creating an air barrier by sealing drywall assemblies.

Brochure about creating an air barrier at tub, shower and fireplace walls.

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.

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.

Technical report describing how the FSEC Energy Research Center explores low-cost space-conditioning upgrades for existing homes by integrating centrally located, high-efficiency ductless mini split heat pumps with older but functional central space conditioning systems, aiming to achieve energy...

Report analyzing design heating load sizing methods for superinsulated homes in cold climates and comparing them to the actual energy usage to determine if the building load calculation methodology should be changed for calculating the design heating load of these 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.

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

Document focusing on the design and wall components that contribute to a pressure equalized rain screen wall, including the frequency of the weep holes and other brick masonry rain screen wall requirements.

Report comparing a variety of roof insulating strategies to present their advantages and disadvantages according to several comparison criteria.

Guide describing methodologies for assessing and mitigating thermal bridging in building envelopes, featuring detailed performance data, interface solutions, and assembly-specific strategies for energy-efficient construction.

The EPA Burn Wise program promotes the importance of burning the right wood in the right way from the right sources with mission to protect human health and the environment.

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

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

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

Report on a simplified test procedure for combustion safety that is easier to implement and should produce fewer false positives than the previous procedure.

Report describing how space-conditioning systems are operating in the field and if these systems are meeting required standards.

Report outlining how conditioned crawlspaces perform better than vented crawlspaces in terms of safety, health, comfort, durability and energy consumption.

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

Document for contractors detailing how to prioritize, control, and configure heat pumps in a residence that uses two heating systems.