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.

Code describing energy codes for energy-conserving and compliant designs in Florida.

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.

Article describing methods for thermally isolating a garage in a Passive House-certified multifamily building.

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).

Radiant, hydronics, geothermal -- they are a vital part of modern comfort and energy solutions. ACCA helps hydronics contractors operate at peak performance.

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.

Guide describing advanced framing, a system of construction framing techniques designed to optimize material usage and increase energy efficiency.

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

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.

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 methods for thermally isolating multifamily parking garages.

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.

Website providing CAD files and drawings of advanced framing details.

Document outlining building science principles about air flow, heat flow and moisture flow in homes.

An article discussing how different metal roof materials and attachment methods affect the ability of the roof to thermally expand and contract and the durability of different solutions.

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 on the stability of furring strips as a means for cladding attachment over walls with thick exterior rigid insulation.

Research study investigating the energy performance and cost effectiveness of several state-of-the-art retrofit strategies that could be used in residential houses in the Boston and New England area.

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.

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.

Document for customers describing the benefits of two-system controls for homes, including information answering how, when, why, and how two-system controls with multiple heating sources are employed.

Part I of the Guide addresses walls constructed with 2x6 wood frame studs, wood structural panel (WSP) sheathing as exterior sheathing, gypsum board as interior sheathing, and a cladding system installed over WSP sheathing in low-rise residential buildings up to three stories in height. Walls with...

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel sheathing (WSP) as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 inches thick over the WSP, and a cladding system installed over the foam sheathing in low...

Part I of the Guide addresses walls constructed with 2x6 wood frame studs, wood structural panel (WSP) sheathing as exterior sheathing, gypsum board as interior sheathing, and a cladding system installed over WSP sheathing in low-rise residential buildings up to three stories in height.

Website providing building science based guidance and training for residential construction.

Article describing research encouraging use of exterior insulation to warm interior sheathing surfaces in walls and roof assemblies to reduce the likelihood of condensation during cold weather

Report focusing on building envelopes that have been enhanced with phase change materials (PCMs), which can simultaneously reduce total cooling loads and shift peak-hour loads.

Job Process sheet for the manufactured housing industry showing how to cut insulation batts to fit wall cavities in a factory production environment.

Guidance document on deep energy retrofits.

Online database with efficiency information about residential HVAC systems and commercial refrigeration equipment.

Information about dense pack, cellulose insulation.

The objective of this research was to quantify the field performance of wood-frame walls clad with a variety of common claddings in a mixed-humid climate.

Report on problems and solutions with EIFS stucco wall cladding systems.

This study evaluates the energy, humidity and indoor air quality implications of residential ventilation cooling in all US IECC climate zones.