Library

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.

Standard describing a test method measuring air-leakage rates through a building envelope under controlled pressurization and de-pressurization which was published in the year 2019 and is available for preview and purchase at the reference link.

Standard describing two techniques for measuring air leakage rates through a building envelope in buildings that may be configured to a single zone which was published in the year 2022 and is available for preview and purchase at the reference link.

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.

Information sheet describing correct application of stucco.

Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.

Report describing use of the Energy in Modular (EMOD) method to design, produce, and deliver affordable, net-zero energy, low-carbon, and healthier buildings through industrialized (factory) construction of modular buildings; modeling of whole buildings and subassemblies of components, pods, panels...

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-humid climate.

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

Document providing an overview of the Thermal Bypass Checklist for the ENERGY STAR Qualified Homes program.

Guide describing details that serve as a visual reference for each of the line items in the Thermal Enclosure System Rater Checklist.

Technical report describing the impact of thermal bridging in balcony connections, presenting alternative design strategies, performance analyses, and case studies to enhance energy efficiency and reduce carbon emissions in building envelopes.

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

BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.

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.

Report focusing on the performance and durability of unvented-cathedralized attics in hot-humid climates with both tile and asphalt shingle roofing.

Report on investigating the effectiveness of using solar thermal water heaters to address heat losses from piping while recirculating water in multifamily buildings.

Research study comparing TRNSYS Type 604 pipe model against laboratory pipe heat loss test data and detailed field monitoring data.

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.

State building energy code for the State of Washington.

A info sheet providing information on ENERGY STAR certified water heaters and the various criteria water heaters must undergo to become ENERGY STAR certified, including metrics on efficiency and performance.

A preparedness guide guiding homeowners on how to secure an indoor home water heater safely to wall studs.

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

Guide designed to help builders better understand and meet the hot water delivery system criteria as specified in EPA's WaterSense New Home Specification.

Report evaluating performance/efficiency of central heat pump water heaters and quality assurance/quality control processes in system startup, operation and efficiency program participation.

Wepage providing information on ENERGY STAR certified gas tankless water heaters with information on how they cut water heating expenses as well as a product finder tool to find ENERGY STAR certified products.

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Article about one way to deal with the cold-water surprise effect of tankless water heaters.

Introductory guide to air sealing the envelope of a home to reduce wasted energy and save on energy costs.

Report describing the design and construction of a highly energy efficient community of ten duplexes in Greenfield, Massachusetts.