Library

Report on the stability of furring strips as a means for cladding attachment over walls with thick exterior rigid insulation.

Report on improving passive design adoption rates.

Research study investigating the energy performance and cost effectiveness of several state-of-the-art retrofit strategies that could be used in residential houses in the Boston and New England area.

Research study describing an experimental and theoretical investigation of the energy and hygrothermal performance of retrofit foundation insulation systems in climate zones 6 and 7.

Report on a simplified test procedure for combustion safety that is easier to implement and should produce fewer false positives than the previous procedure.

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

Report investigating the nature, strength, and durability of connections between high performance dwellings and developments.

Report outlining the steps developers can take to create high-performance standards on a community-wide scale.

Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.

Research report providing a comparison of the most common residential water heating technologies to determine energy-efficient and cost-effective water heating technologies are when subjected to a variety of typical operating conditions.

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.

Two hourly energy simulation software, BEopt and Energy Gauge USA, were compared to ensure accuracy and evaluate agreement on the impact of various energy efficiency improvements.

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.

Part I of the Guide addresses walls constructed with 2x6 wood frame studs, wood structural panel (WSP) sheathing as exterior sheathing, gypsum board as interior sheathing, and a cladding system installed over WSP sheathing in low-rise residential buildings up to three stories in height. Walls with...

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel sheathing (WSP) as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 inches thick over the WSP, and a cladding system installed over the foam sheathing in low...

Report on experiments comparing the cooling and heating seasonal and peak demand performance of different variable-capacity air conditioning and heat pump units.

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.

Report describing the analytical study of renewable energy retrofits to homes built before 1980 and whether it is cost efficient or not.

Research study examining the opportunities for cost-effective energy efficiency and renewable energy retrofits in residential archetypes constructed before 1980 (Pre-Code) in 14 U.S. cities.

Report describing the monitored long-term performance of two solar domestic water heating systems in northern climates.

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.

Guidance document on deep energy retrofits.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Design and Construction Process chapter provides detailed guidance for each process phase: pre-planning, planning, construction, test-out and post-occupancy.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Lessons Learned chapter focuses on successful deep energy retrofit projects throughout the U.S.

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.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Reducing costs and Increasing Cost-Effectiveness chapter provides suggestions for controlling deep retrofit costs, including both 'do's' and 'don'ts'.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Source Energy and Carbon Decisions chapter helps users carefully assess the impacts of switching from gas to electricity for heating end-uses, using source energy and/or carbon emissions...

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

Report presenting a parametric analysis using a numerical model of a new concept in desiccant and evaporative air conditioning.

Guide about designing and installing closed crawlspaces.

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

Report outlining the issues with using existing ducts with a new low-load HVAC system, which reduces throw at supply registers causing decreased mixing of supply and room air, leading to potential thermal comfort complaints.

Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

Research report with results from field tests in two homes in Austin, Texas, from October 2011 to June 2012 to evaluate the comfort performance of ductless mini-split heat pumps

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.

Report outlining the steps of translating a new home construction scope of work (SOW) to SOW for retrofit.

Research study analyzing the effects a nonlinear enthalpy profile has on thermal performance and expected energy benefits for PCM-enhanced insulation.

Document comparing simulation results from a modified version of the EnergyGauge program to include various HVAC runtime strategies.

Document providing a resource to help contractors renovate historic houses, while addressing issues such as building durability, indoor air quality, and occupant health, safety, and comfort.

Document providing descriptions of the many insulation options available to homeowners, along with guidance on where, when, and how to install insulation throughout your house.

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.

Report investigating performance and energy savings potential of heat pump water heaters.

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.

Report using pre- and post-system upgrade data to analyze the energy savings associated with Iowa's HVAC SAVE program for space heating.

Document presenting a simple starting point to determine the most cost-effective Energy Savings Measure Packages (ESMP) for existing homes to achieve 15% and 30% savings in 37 locations across the United States.

Report describing the evaluation and selection of ventilation systems for homes retrofitted for energy aesthetic and health/safety improvements in Las Vegas.

Report evaluating the accuracy of the regression technique used in 2006 by using the same least-squares regression analysis on data created from hourly energy simulation software.

Report summarizing CARB's analysis of Boulder, Colorado's SmartRegs ordinance in the existing home market.

Report exploring feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25% source energy savings.