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Report assessing the accuracy of HEST as it was being developed and to provide information useful to DOE program managers and HEST development team at Lawrence Berkeley National Laboratory.
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.
Research study developing baseline engineering analysis to support the installation of thick layers of exterior insulation (2 in. to 8 in.) on existing masonry walls and wood framed walls.
Research study evaluating a low-cost and scalable way to reduce heating energy consumption using the energy-saving features of programmable thermostats (i.e., automatic daytime and nighttime setbacks).
Document covering two fundamental retrofit strategies for air sealing around air handling systems that are located within the living space in an enclosed closet.
Document outlining the current and the proposed draws and estimates typical ratings changes from draw specification changes for typical systems in four cities.
Fact sheet poster describing a DOE tool that walks homeowners through a series of simple questions to produce a list of retrofit recommendations to improve the energy efficiency, indoor air quality, and durability of the homeowners’ home, while also lowering their carbon footprint.
Guideline describing the importance of the different types of multifamily building attics and their unique challenges, and outlines strategies and materials used in air-sealing them.
Report about a hybrid condensing water heater (thermal efficiency = 0.973, energy factor = 0.95) installed in an occupied home in Sacramento, California, and monitored for one year to determine the actual in situ efficiency.
Research study to help development of an application protocol for aerosol sealing of building shells that will eventually be demonstrated on buildings in retrofit and new construction.
Research report that validates Pinhole Insulation®, offering a cost-effective, minimally invasive solution for enhancing insulation and air sealing in enclosed roof cavities, improving R-value by 60% compared to traditional methods.
Report summarizing current research, summarizes issues that have been experienced with current best practices, and recommends ways in which the best practices can be improved for water managing sheathings.
Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.
Report detailing an evaluation of Orlando Utilities Commission (OUC) residential energy efficiency demand side management (DSM) programs to assess their impacts and relative measures of energy and economic performance.
Report about the impact on the loads when common safety factors are applied to the load calculation process using two houses that meet the 2009 IECC prescriptive path modeled as the accurate baseline.
Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.
Research study identifying barriers, industry status, critical obstacles to documenting added value from energy efficiency improvements, current opportunities to support reporting about energy efficiency, and next steps toward enabling energy efficiency financing market transformation.
Document about NREL's repository of residential building characteristics and historical energy use data, used to improve accuracy of residential energy analysis tools.
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.