Library

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

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.

Article describing utility rates, net metering policies, installation costs, financial incentives, and other info for both consumers who are interested in installing renewable energy systems and for energy justice and clean energy advocates.

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 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...

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.

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...

Article describing recessed lighting, which if installed incorrectly may contribute to air leakage and compromise building envelope efficiency.

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...

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 describing the business case of hosting a Level 2 electric vehicle (EV) charging station in New York, including analysis of real-world data on equipment use, costs, revenue, and assumptions derived from industry reports and original research.

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 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.

A book about structurally insulated panels.

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

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

Article describing correct ways to eliminate water damage by incorporating a sacrificial layer to foundation walls and footings.

Website of the Cold Climate Housing Research Center.

Information sheet with information about insulating and ventilating attics.

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.

Installation manual for installing metal panel siding.

An article illustrating common errors found in fiber cement siding installations. Many of these errors and poor flashing examples apply to siding materials beyond fiber cement siding.

Manual assisting architects, engineers, owners and roofing contractors for designing, specifying and installing roof tiles in areas of snow and ice.

Installation manual describing proper installation practices, industry standards and the code requirements of roofing tiles.

Information guide describing issues with concrete floors, in multiple climate zones.

Report covering insulating crawlspaces.

Article about how mortar droppings during the installation of a brick veneer can clog the weep holes in the wall assembly causing moisture damage. The article also illustrates products that can be installed in the ventilated cavity to mitigate this problem.

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

Article describing the difference between conditioned or unvented attics and unconditioned or vented attics.

Article discussing whether or not to seal and insulate crawlspaces.

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.

Report covering exterior energy retrofits of masonry buildings.

Guide informing architects and engineers about designing buildings to be constructed with structural insulated panels.

Information about dense pack, cellulose insulation.

Information sheet with HVAC duct insulation, testing, maintenance and performance information.

Webpage from U.S. Department of Energy describing using Earth-Sheltered home building techniques in hot climate zones.

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

Website describing the U.S. Environmental Protection Agency's ENERGY STAR New Homes and Apartments program with links to builder and homeowner resources.

Homebuilding’s simple payback estimator for an insulation upgrade – the type and amount of insulation, square footage of the area, recent utility bill, and a quote from insulation contractor.

Information sheet briefly summarizing double stud with spray foam wall construction including the advantages and disadvantages of this construction strategy.

Information sheet that summarizes Insulated Concrete Form (ICF) construction including advantages and disadvantages of this construction strategy.