Library

Reference investigating the strategy of using buried and/or encapsulated ducts to reduce duct thermal losses in residential buildings.

Report describing a deep energy retrofit project for a two-family wood framed home located in Belmont, Massachusetts.

Report describing findings from a multifamily test home focusing on the combination of energy measures that are feasible, affordable and suitable for multifamily construction in cold climates.

Webpage describing how caulking is used, how to select the appropriate caulking, and how to apply caulking.

Report describing ventilation system design, including a central fan integrated supply (CFIS) system, made up of a 6-inch outdoor air intake duct connected to the return side of the air handler with a fan cycling control to make sure the fan runs a programmed minimum amount of time.

Design guide providing solutions and tools for designing central heat pump water heater systems in multifamily and other commercial buildings.

Case study about the grid integration of electrical vehicle supply equipment.

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

Report about City of Meriden Housing Authority's (MHA) collaboration with Jonathon Rose Companies to complete a gut renovation of 126 residential units in the Chamberlain Heights retrofit project.

Report identifying housing characteristics and energy use for fifteen single-family housing types and specifies measure packages that provide an optimum level of energy savings based on a BEopt analysis.

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

Article describing correct ways to attach rigid insulation to the exterior of commercial and residential buildings.

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 describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

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 summarizing one year of monitoring and analysis of the effectiveness of a space conditioning system at maintaining temperature and relative humidity levels in a test home, as well as room-to-room differences and the actual measured energy consumption by the space conditioning system.

Report documenting the results of an in-depth evaluation of thermal comfort for two potential net zero-energy homes (NZEHs) in Massachusetts.

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...

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.

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

Document presenting step-by-step process for installing rigid insulating sheathing over wood studs or house wrap.

Research report anayzing the results of a large retrofit project, turining an old school into near zero energy consumption apartments in Greenfield MA.

Study describing efforts and outcomes in developing color-pigmented roofing products with coatings to increase solar reflectance.

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 focusing on building envelopes that have been enhanced with phase change materials (PCMs), which can simultaneously reduce total cooling loads and shift peak-hour loads.

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.

Information sheet about crawlspace insulation, including installation details.

Job Process sheet for the manufactured housing industry showing how to cut insulation batts to fit wall cavities in a factory production environment.

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...