Library

Report describing an air distribution system composed of a series of uniformly-sized ducts that terminate in rooms throughout the home and return to a central manifold, similar in fashion to a “home-run” cross-linked polyethylene plumbing system.

Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

Document providing guidance to U.S. home builders who want to accept the challenge.

Document about testing software predictions of retrofit energy savings in existing homes.

Document providing an example procedure for establishing acceptance-range criteria to assess results from software undergoing BESTEST-EX.

Report summarizing the key opportunities, gaps, and barriers identified by the national laboratory white papers discussing long-term 50% energy reduction goals.

Report about instrumentation and limited short-term testing completed on a retrofit unoccupied test house in Fresno, California.

Research study comparing various retrofit models in Wisconsin to evaluate performance in terms of savings per home and program cost per home to assess the relative cost effectiveness of each program design.

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

Research study evaluating energy savings and cost effectiveness of installing low-emissivity (low-e) storm windows over existing windows in residential homes in all climate zones.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Occupant Behavior chapter discusses how to assess homeowner behavior patterns and use these patterns to enhance overall energy savings.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Over Time, Phased Guidance chapter presents a phased approach to deep energy retrofits.

Report describing the progress toward and issues related to developing a usable, standardized, empirical data-based software accuracy test suite.

Report identifying business models for the remodeling industry that foster remodelers adoption of energy efficiency services.

Report examining the use of smart thermostat data to detect performance degradation and optimize comfort control in home AC systems.

Journal article presenting a discussion of the state-of-the- art in electricity management in smart homes, the various enabling technologies that will accelerate this concept, and topics around consumer behavior with respect to energy usage.

Research study examining efficiency retrofit opportunities, typical renovation practices, and pathways for achieving U.S. Department of Energy (DOE) goals for existing homes in Florida.

Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Study investigating homeowner measure package choices in the Illinois Home Performance with ENERGY STAR program compared to cost-optimal choices determined through Building Energy Optimization (BEopt) modeling software.

DOE-sponsored report describing a study investigating condensation buildup on windows when using insulating shades.

Report describing the performance, cost, and carbon impacts of unitary heat pump water heaters with load-shifting controls in a shared configuration for a multi-family project, highlighting significant savings in energy usage, CO2 emissions, and utility costs.

Technical report describing the evaluation of four different ventilation strategies for providing make-up air in high-performance, new construction multifamily buildings in the Northeast, emphasizing the challenges posed by increasing airtightness standards and the variability of system performance...

Expert meeting describing meeting details for recommendations for applying water heaters in combination space and domestic water heating systems.

Expert meeting report recommending approaches to humidity control in high performance homes.

Report describing a project focused on the use of home energy ratings as a tool to promote energy retrofits in existing homes.

Report describing a simple and general way to generate House Simulation Protocol (HSP)-consistent internal sensible and latent loads in unoccupied homes.

Technical report on a field validation study that utilizes low-cost indoor air quality sensors to assess a smart ventilation system's effectiveness in maintaining acceptable indoor humidity in low-load homes in humid environments, revealing that while the smart ventilation algorithm demonstrated...

Report detailing field walk-through evaluations, energy simulations for projected savings with exterior insulation upgrades, building envelope energy improvement cost estimates, and installation and maintenance of monitoring equipment and data.

Research report presenting results of short term tests on measures used in an energy efficiency retrofit project in California.

Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

Report evaluating the relative effectiveness of various control and distribution strategies to improve hydronic space heating performance in existing low-rise multifamily buildings

Report using a field test plan to evaluate the success of implementing energy efficiency upgrades at the community scale incorporating whole-house systems integrated measures package (SIMP).

Document providing information on the impact of various defects and the potential energy savings that can result from proper maintenance, and describing a two-step process for diagnosing and correcting faults. This document is targeted towards home performance contractors who are relatively...

Measure Guideline describing how to assess and carry out the isolation of natural draft combustion appliances from the conditioned spaces of low-rise residential buildings.

This measure guideline provides guidance on combustion safety inspection procedures for appliances and heating equipment that use indoor air for combustion and dilution of flue gases in low-rise residential buildings.

Report providing step-by-step instructions for heating contractors and hydronic designers for selecting the proper control settings to maximize system performance and improve response time when using a thermostat setback.

Report describing an analysis method for determining optimal residential energy efficiency retrofit packages and applies the analysis method to a 1960s-era home in eight U.S. cities.

Document about development of a new test procedure to increase the quality and accuracy of energy analysis tools for the building retrofit market.

Research study using modeling to determine optimal combination(s) of components/pumps, high efficiency heat sources, plumbing configurations and controls that result in the highest overall efficiency for a hydronic system.

Report presenting performance results from tests conducted on an energy efficiency retrofit project in Stockton, California.

Report briefly reviewing past research on the effects of occupant behavior on residential energy use and then covering a two year pilot evaluation of a low cost residential energy feedback system installed in twenty case study homes in Florida.

Report briefly reviewing past research on the effects of occupant behavior on residential energy use and then covering a two year pilot evaluation of a low cost residential energy feedback system installed in twenty case study homes in Florida.

Report designed to help a builder understand quality management and its role in transitioning from conventional to HPH building and remodeling.

Research study identifying the best performing, most energy-efficient and cost- effective techniques to provide controlled mechanical ventilation and humidity control in hot- humid climates with thermally efficient building envelopes.

Report summarizing the results of laboratory testing of 20 advanced power strip products.

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

This research paper outlines residential HVAC advanced controls and sensors. It includes a technology review, applications, maintenance and commissioning, occupant behavior and a summary of the state-of-the-art technologies for advanced controls for residential HVAC.

Document reviewing current and potential ventilation technologies for residential buildings with particular emphasis on North American climates and construction.

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

Fact sheet describing field validations of a smart ventilation system to assess its effectiveness in assisting low-load homes in humid environments by maintaining acceptable indoor humidity conditions while ensuring adequate ventilation and indoor air quality.