Library

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...

Webpage describing homeowner resources program designed to strengthen homes and commercial buildings against severe weather such as high winds, hail, hurricanes, and even tornadoes.

Website with prepopulated information about the United States renewable resources.

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 describing a laboratory assessment that provides insights into space requirements and venting strategies for heat pump water heaters (HPWH) to enhance retrofit installations and provide actionable guidance for manufacturers, designers, engineers, installers, and owners.

Webpage providing basic information on various types of heat pumps and their applications in Massachusetts.

Report discussing the potential energy savings of new high-efficiency downlights, and the results of product testing to date.

Report sumarizing results of an ICF investigation of side-by-side houses in Knoxville, Tennessee.

Article describing how to use radiator inlet orifices optimize two-pipe steam heating systems.

Website blog with guidance about calculating heat-loss.

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.

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

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

Report describing the results of a 21-home field study investigating the effectiveness and failure rates of whole-house mechanical ventilation systems installed in Florida homes over the last 15 years.

Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...

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).

Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

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.

Repor ourlining testing results from a 53 home monitored sample, long-term energy use of electric resistance clothes dryers.

Report describing a lighting and smart power strip retrofit evaluation that was conducted on 56 all-electric, existing Florida homes to see how lighting and miscellaneous electric loads might be reduced.

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.

Standard that prescribes a testing method to determine the efficiency of space heating and/or cooling thermal distribution systems under seasonal and design conditions. This version of the standard was published in the year 2014, and is available for preview and purchase at the reference link. The...

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.

Paper examining the monitored performance of four newly constructed near zero energy 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 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.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

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.

Infographic providing details on choosing the right advanced power strip based on your habits to reduce the electricity wasted when your electronic devices are idle.