Library

2009 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

Article describing vapor retarder requirements in the International Residential Code and International Building Code 2021.

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.

Report providing builders in the hot-dry and mixed-dry climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

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.

Guide for homeowners describing how to find and seal basement and attic air leaks, determine if attic insulation is adequate, make improvements safely, and reduce energy bills.

Research study estimating potential energy savings relative to conventional ducted air distribution, and identifying equipment requirements, costs, and barriers.

Report describing testing and analysis on deep energy retrofits of existing single-family homes in the U.S.

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

Fact sheet poster describing how to add exterior, continuous, rigid insulation to the exterior walls when replacing siding on an existing home.

Technical report describing the SPS (Structural Panel System), an innovative implementation of the "perfect wall" concept, situating environmental control layers on the exterior side of structural components for improved constructability, cost-effectiveness, and performance, validated through the...

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.

Article about different types of weather resistant barrier.

Report about two test home evaluations that provided valuable data about the true in-field performance of various building mechanical systems and LAMELs.

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 that collected field data from a whole-home program in Illinois are utilized to compare marketplace-installed measures to the energy saving optimal packages previously developed for 15 housing types.

Report on adding insulation to load-bearing mass masonry buildings.

ASHRAE Standard prescribing an field evaluation and test method to measure and score the performance of unitary HVAC systems.

Standard providing a methodology for evaluating the installation quality of unitary HVAC systems.

Report about a building project in the marine climate.

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.

Report focused on foundation insulation R-values for cold climates and the design, construction, and performance implications.

Report about a project that examines implementation of advanced retrofit measures in the context of a large-scale weatherization program and the archetypal Chicago, Illinois, brick bungalow.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

Webpage describing how to improve a variable capacity heat pump's efficiency by not programming a deep setback on the thermostat.

Article describing the building science implications of insulating vented or unvented attics.

Article describing the research into insulating vented versus unvented attics.

SPFA website signup page to access SPFA documents.

Report describing approaches to insulating basements in homes built to meet Energy Star levels of performance of heat loss reduction.

Information sheet describing techniques for insulating basements.

Report summarizing commissioning, short-term testing, utility bill data analysis, and results of on-site monitoring of a deep energy retrofit.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

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

Information sheet about insulating slabs.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Information sheet providing recommendations on the installation of vapor control layers.

Article describing selecting insulation for minimizing condensation risks.

A book about structurally insulated panels.

Case study about Artistic Homes of Albuquerque, New Mexico, the first home builder in the United States to offer true net zero energy construction to the average home buyer on every home it builds.

Web based tool providing decision-making guidance for selecting wall assembly components.

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

Research study describing a number of promising foundation and basement insulation strategies that can meet the requirement for better thermal control in colder climates while enhancing moisture control, health, and comfort.

Article describing the control layers (air, thermal, and vapor barriers) needed to build homes successfully in very cold locations.

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

Training module describing the operation, efficiency, consumer and seller benefits, and cost comparison of Heat Pump Water Heaters (HPWH) against conventional gas, oil, or electric water heaters.

Guide informing builders and developers about efficient building practice for constructing homes with structural insulated panels.