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.

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 thermal bridging, construction practices that encourage thermal bridging, and solutions.

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

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.

Report examining the structural properties and applications of an innovative studless building system, detailing its testing regime and providing an engineering guide for architects and engineers.

Report on the design and evaluation of extended plate and beam.

Case study on the design and evaluation of extended plate and beam, located in Mount Joy Pennsylvania.

Report describing advanced framing techniques, including discussion of cost and energy savings.

Report describing approaches to using less wood in home building that minimize waste.

Fact sheet describing advanced framing techniques that reduce the amount of lumber used in constructing wood-framed houses while providing more space for wall insulation.

Fact sheet describing advanced wall framing.

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.

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

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 on adding insulation to load-bearing mass masonry buildings.

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.

Brochure explaining the essential basis for advanced framing and some of the more common advanced framing details.

A book about structurally insulated panels.

Report investigating implementation of advanced framing in both production and prototype built homes built in a variety of climate regions across the USA.

Report considers a number of promising wall systems that can meet the requirement for better thermal control.

Presentation about advanced framing techniques.

Document presenting some of the key technical properties of many of the most common building materials.

Website providing CAD files and drawings of advanced framing details.

Website providing information about building plans for the ENERGY STAR thermal bypass checklist.

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.

Information sheet containing images and descriptions of cantilevers.

Document with information from a workshop addressing framing materials for residential buildings in California. A copy of the document can be requested at the resource link, and an online copy of the document can be found by searching for it on the California Energy Commission's Library Online...

Case study characterizing the framing factors for the exterior walls, ceilings, and floors of 180 wood-framed low-rise residential buildings across the United States.

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.

Fact sheet describing the characteristics that make for a successful coastal residential building, including design and construction recommendations; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

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.

Document containing a 3D drawing (CAD) of advanced framing details.

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.

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