Library

Webpage describing the STEP campaign encouraging the use of smart diagnostic tools to reduce installation faults.

Website providing consumers with resources to find, select and install heat pump water heaters.

California Energy Commission report presenting the concept of cool walls and providing guidelines for their building- and climate-appropriate use to conserve energy and reduce emissions.

Job Process sheet for the manufactured housing industry showing how to split and notch insulation batts to fit around electrical boxes and wiring in a factory production environment.

Guide describing the installation of windows in walls that have foam plastic insulating; guide provides several methods for attaching, supporting, and flashing windows in walls with rigid foam sheathing. (Note: The link only goes to the table of contents for the guide, the full guide can be...

Standard that covers the minimum performance and acceptance criteria for an air barrier (AB) material or system for framed walls of low-rise buildings with the service life of the building wall in mind. This link directs to a preview of the current version of the standard, published in the year 2019...

Standard that covers the minimum performance and acceptance criteria for an air barrier (AB) material or system for framed walls of low-rise buildings with the service life of the building wall in mind. This link directs to a preview of the version of the standard that was published in the year 2011...

Specification covering the standard requirements for application of full thickness Portland cement-based plaster for exterior (stucco) and interior work. This standard was produced in the year 2022, and is available for preview and purchase at the reference link. There are also other versions of...

Specification covering the standard requirements for application of full thickness Portland cement-based plaster for exterior (stucco) and interior work. This standard was produced in the year 2023, and is available for preview and purchase at the reference link. There are also other versions of...

A specification covering the application of Insulating Concrete Forms (ICFs) that act as permanent formwork for cast-in-place reinforced concrete beams & walls which was published in the year 2022 and is available for preview and purchase at the reference link.

Specification describing criteria for manufactured polymeric materials used to provide a rainscreen function, a means for the drainage of liquid moisture and the ventilation of vapor moisture that enters an above-grade exterior wall assembly which was published in the year 2019, and is available for...

Report providing information based on research and case studies, to remodelers and consumers about opportunities to increase home energy performance.

Document explaining the benefits of evaluating and identifying energy efficiency retrofit measures that could be made during renovation and maintenance of multifamily buildings.

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

Report covering coating and back venting wood based claddings and trim.

Conference paper describing testing of the performance of fasteners used to attach rigid foam insulation to the exterior of walls.

Information sheet describing correct application of stucco.

A research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

Document describing issues of wind pressure resistance in walls with exterior rigid foam sheathing installed directly over framing members.

Question and Answer article in Energy Design Update describing the cost and savings benefits of electronically commutated motors (ECMs) for HVAC equipment.

Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.

A guide for homeowners on determining the risks from tornadoes and hurricanes and selecting a safe room type and location, as well as providing detailed plans for safe room construction.

Document about laboratory testing of five integrated heat pump water heaters (HPWH).

A story about bees building a hive in the drainage plane behind the brick veneer siding. The bees entered the wall through unprotected drainage holes.

Image depicting damage from termites in weatherboard cladding.

Projectile missile testing of various wall panel configuration to understand how the different wall constructions would perform when struck with wind driven debris from a hurricane.

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Article describing the perfect wall and and in what order to control rain, air, vapor, and heat.

Article describing thermal bridging, construction practices that encourage thermal bridging, and solving thermal bridging through continuous exterior insulation.

Research study investigating the thermal efficiency of fasteners, namely drywall screws and siding nails, in high-performance wood-framed walls.

Report proposing a procedure for estimating the whole opaque wall R-value (whole-wall R-value), independent of system type and construction materials.

Article describing the evolution of the IRC to permit class 3 vapor retarders (latex paint) in walls coupled with exterior continuous insulation to allow drying and reduce condensation risk.

Research study describing a detailed 3D computational fluid dynamics model that evaluates the thermal performance of uninsulated wall assemblies.

Report about partnership to build three communities of net zero houses.

Technical conference paper discussing real world experience with Trombe walls.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

Technical fact sheet highlighting important building connections and illustrating the proper use of various types of connection hardware; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Users guide to help contractors and homeowners use the Cold Climate Heat Pump Sizing Support Tools developed by NEEP to size and select the best air source heat pumps for their cold climate location.

Report about a project with successful integration of numerous energy-conservation and renewable-energy features into a beautiful, comfortable, and very energy-efficient off-grid home.

Report summarizing NRELs efforts to develop diagnostic test cases to conduct accurate energy simulations when phase change materials (PCMs) are modeled in residential buildings.

Publication with installation guidance for vinyl siding.

Document describing wall bracing techniques and suggestions for the city of Verona, WI building department.

A guide describing how to do wall bracing calculations and evaluations.

A presentation about the need for rainscreens including the damage water and moisture ingress into a home’s siding and framing can cause, and ways to design a resilient wall that drains and ventilates well.

Website containing useful resources regarding central heat pump water heater systems.

Fact sheet describing four different efficient hot water delivery (HWD) systems, the trunk-and branch, core, whole-house manifold, and recirculation, with emphasis on system schematics, piping materials, and regulations to design and verify the systems.

An article written by Don Jackson of The Journal of Light Construction on how to detail brick veneer siding wall.

Web page explaining what a cool exterior wall is and how they work, as well as benefits to their use and links to research studies.