Library

Information sheet describing solar PV upgrade for an existing homes.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

A research paper exploring the design, installation, repair and maintenance of solar water and pool heating technologies.

The RERH specifications and checklists take a builder and a project design team through the steps of assessing a home’s solar resource potential and defining the minimum structural and system components needed to support a solar energy system.

Specifications to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

ENERGY STAR webpage describing the benefits of storm windows and a link to a product list.

Webpage providing an ENERGY STAR climate zone map and criteria for ENERGY STAR storm windows per climate zone.

Document serving as a starting point that features initial tools and resources for teams to start collaborating to continually improve the energy efficiency and durability of new houses.

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

Research study determining how well high performance envelope and innovative cooling system interact to cost effectively reduce cooling energy use in this hot-dry climate.

Research study making several recommendations to whole-home program designers and implementers for improving the cost effectiveness and reach of whole-home programs.

Resource manual for builders, designers, architects, plumbers, and others interested in the WaterSense Labeled Homes Program providing an overview of the program, explains how to meet the program requirements, gives descriptions of water-saving technologies, and provides links to further resources.

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.

DOE-sponsored report describing the experimental design and results of testing the energy performance of Hunter Douglas double-cell cellular shades under various control schemes in the Pacific Northwest National Laboratory’s Lab Homes.

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...

Report developed for Habitat for Humanity about lessons learned from demonstration retrofit projects undertaken by Habitat for Humanity affiliates in New York, Maryland, and Pennsylvania; with building systems consulting and technical assistance provided by Steven Winter Associates.

Even as the worst housing market correction in more than 60 years appeared to turn a corner in 2009, the fallout from sharply lower home prices and high unemployment continued.

Report presenting results from whole-house monitoring efforts in hope that they may be useful for others moving towards zero energy homes.

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.

Guide from Energy Star on smart thermostats and offering some guidance for choosing one.

This report describes the results of a multiyear research project that investigated the energy savings attributable to thermostatic radiator valves (TRVs) installed on one-pipe steam distribution systems.

Report discussing Building America whole house systems research within the broad effort to reduce or eliminate the environmental impact of building and provides specific recommendations for future Building America research based on Building Science Corporations experience with several recent...

Report documenting the process and outcomes involved in achieving the U.S. Department of Energy Zero Energy Ready Home (ZERH) program certification standards while helping homebuilders in Climate Zones 5 and 6 in the Upper Midwest achieve ZERH certification.

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.

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Information sheet with the Waste Reduction Model (WARM), designed to help solid waste planners and organizations track and voluntarily report greenhouse gas (GHG) emissions reductions from several different waste management practices.

Guide describing details that serve as a visual reference for each of the line items in the Water Management System Builder Checklist.

Specification of criteria for lavatory faucets and faucet accessories under the U.S. EPA WaterSense Program.

Article describing the EPA WaterSense program, process, and benefits.

Web page providing links or specifications for homes to be labeled through the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Fact sheet outlining requirements for WaterSense labeled bathroom sink faucets, detailing their water-efficient features, compliance with flow rate standards, testing, construction, and verification.

Fact sheet describing the requirements for EPA WaterSense certified clothes washers that highlights the integrated water factor, integrated modified energy factor, top-loading vs. front-loading specifications, efficiency code standards, local requirements, faucet types and regulations for building...

Fact sheet describing the requirements for EPA WaterSense certified dishwashers that highlights water cycle specifications, efficiency code standards, water consumption level relation to criteria, the advantages of ENERGY STAR dishwashers, and the regulations for building and verifying a labeled...

Fact sheet describing protocols for detecting, addressing, and preventing water leaks in homes, covering pressure-loss testing, visual inspections, and specific leak tests for fixtures and appliances.

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.

Fact sheet describing the requirements for EPA WaterSense certified kitchen faucets that highlights flow rate specifications, efficiency code standards, local requirements, faucet types and regulations for building and verifying a labeled faucet to ensure it meets the quality and water management...

Fact sheet describing the significance of managing service water pressure within recommended ranges through the installation of pressure-regulating valves (PRVs).

This fact sheet describes the requirements for WaterSense labeled showerheads in, highlighting their water-saving capabilities, adherence to flow rate criteria, independent performance certification, and how they're built, verified and in alignment with the conservation and water management goals of...

This fact sheet outlines the mandatory inclusion of WaterSense labeled toilets in homes, highlighting their water-efficient features, certified performance, and leak prevention; The sheet describes the requirements for these features, steps to build, and steps to verify a labeled toilet to insure...

Fact sheet describing the implementation of water metering and submetering measures in residential properties, particularly multifamily buildings, to enhance water efficiency, usage tracking, and compliance with relevant regulations; It outlines how to build and verify water meters and submeters to...

Fact sheet describing the importance and regulation of EPA WaterSense water softeners including the function of cation exchange water softeners, the importance of salt efficiency, the negative impact of hard water on household appliances, softeners that use demand-initiated regeneration with...

Resource that provides a checklist of program criteria for water-efficient new homes under the U.S. Environmental Protection Agency’s (EPA’s) WaterSense program.

Report assessing the performance and cost-effectiveness of a zero net energy community project in Davis, CA.

Information sheet outlining the criteria for ENERGY STAR qualified, windows, doors, and skylights.

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.

Fact sheet providing information on window attachments and their potential for improving energy efficiency.

Tax credit for ENERGY STAR certified windows, doors and skylights.