Library

Research study showing that for a relatively small investment, a variable speed pool pump can reduce pool pump energy use by 50% to 75%.

Document developed to help residential new construction builders transition from using a three-coat stucco system to a one-coat stucco system installed over 1 in. of expanded polystyrene (EPS) insulation.

Document developed to help residential builders and retrofitters transition from tank-type water heaters to tankless water heaters.

Guide describing proper application, design, and installation of mechanical ventilation cooling systems for homes located in hot-dry and cold-dry climates, as well as a means of understanding the benefits, costs, and tradeoffs of these systems.

Document providing renovators and retrofit contractors an overview of considerations when including wall air sealing and insulation in an energy retrofit project.

Document providing information and guidance about rehabilitating, retrofitting, and replacing wood window assemblies in residential construction.

Report summarizing a case study about the performance of three occupied homes built in 2009 in San Antonio, Texas.

Report describing the work conducted for high performance hybrid assemblies.

Research study examining the performance of existing multifamily ventilation central systems and explored alternative solutions in retrofit situations.

Report detailing the proposed point structure for the prescriptive approach of the energy efficiency chapter of the NGBS update.

Report about a test home project evaluating strategies to elevate the performance of existing homes to a level commensurate with best-in-class implementation of high performance new construction homes.

Information sheet about the National Residential Efficiency Measures Database, a public database that characterizes the performance and costs of common residential energy efficiency measures.

Report investigating what motivates remodelers to become energy-focused and what technical knowledge that need to be energy-focused.

Report demonstrating cost-effective energy savings targets as well as improved comfort and indoor environmental quality associated with deep energy retrofits by a large public housing authority as part of a larger rehabilitation effort.

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.

Document about development of models for evaluating thermal performance of walls in existing homes that will improve the accuracy of building energy simulation tools when predicting potential energy savings of existing homes.

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

Document about development of recommendations to help residential HVAC designers select optimal supply inlet size and system operating conditions to maintain good thermal comfort in low heating and cooling load homes.

Report providing information about improving the energy efficiency and long-term durability of the buildings that are being reconstructed post Katrina in New Orleans.

Research study identifying best practices of three successful high performance, custom home builders in the upper Midwest.

Report about seven pilot homes and development of guidelines for deep energy retrofits in cold climates.

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

Report aimed at gaining a better understanding about benefits, challenges and technologies associated with natural gas feedback systems.

Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

Report describing how modification of model specifications to include guidance on energy efficiency measures can create a greater level of consistency in executing energy efficiency retrofit measures across the multiple regions where a developer may work.

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

Report describing research efforts focused on examining the audit reports for quality, comprehensiveness, and consistency.

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Report describing construction of test homes in Atlanta, GA meeting Building America savings targets and serving as a basis of design for other homes Martin Dodson plans to build within the Serenbe community.

Website describing how solar water heaters -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home.

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.

Report addressing barriers to information, contractor resources and cost savings associated with steam balancing multifamily buildings.

Report intending to provide useful information as the DOE/BA develops and implements comprehensive communications and outreach strategies for demonstration homes.

Document offering methods to greatly reduce lighting energy use through the application of high quality fluorescent and light emitting diode (LED) technologies.

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.

Document targeting retrofit program managers, retrofit contractors, policy makers, academic researchers, and non-governmental organizations that work to realize energy savings from home energy upgrades (HEUs).

Report describing findings from research related to heating, ventilation, and air conditioning (HVAC) companies that have made the decision to transition to whole house performance contracting (WHPC).

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.

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

Document about NREL's repository of residential building characteristics and historical energy use data, used to improve accuracy of residential energy analysis tools.

Report using data from various sources to characterize the impact on human health and property damage from indoor environmental quality and other hazards.

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.

Information sheet about types and installation of insulation.

Presentation describing the challenges of insulating an existing basement, presented to the Building America residential energy-efficiency stakeholder meeting.

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

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.

Fact sheet describing how weatherstripping can be an easy and cost-effective way to save money on energy costs and improve comfort by reducing drafts.