Library

Research study describing how envelope modifications in heating, ventilation, and air conditioning, and domestic hot water and renewable resources can result in considerable energy reductions, using the first full year of detailed data collected about a single-family home that experienced a series...

Report summarizing systems research activities for new housing in hot-humid climates, including NightCool, interior duct systems in manufactured housing, ventilation and dehumidification, plug load reduction and solar and conventional hot water.

Report on adding insulation to load-bearing mass masonry buildings.

Report outlining workflow and results of regression models on monthly and daily utility data (meter readings of electricity consumption), outlining a process for screening and gathering useful results from inverse models.

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Report describing partner approaches to achieving the Building America goal of 30% whole-house source energy savings using packages adopted at the community scale, using building projects in Florida as a reference.

Article describing selecting insulation for minimizing condensation risks.

Report summarizing research results for the 30% energy savings level and demonstrates that lead builders can successfully provide 30% homes in the Marine Climate Region on a cost-neutral basis.

Document presenting some of the key technical properties of many of the most common building materials.

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.

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...

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

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 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 presenting the process of a residential retrofit project for houses in the states of Florida and Alabama, including findings at the time of reporting and highlights of the first home to meet the target HERS Index of 70.

Report on the field evaluation of whole-building approaches and estimation of the relative contributions of select technologies toward reducing energy use related to space conditioning in new manufactured homes.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

Report identifying Building America and 2021 International Energy Conservation Code climate zone designations for every county in the United States; where a county's climate zone designation has changed since the 2018 IECC, that change is indicated as well.

Article from NREL on wall construction guidelines for homes in hot climate zones.

Report documenting short-term test results of the Shift House and compares the results of Passive House Planning Package and Building Energy Optimization modeling of the project.

This page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana.

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.

Report on air-sealing programs for energy-efficiency retrofits.

Report on hybrid ventilation methods for insulated and sealed crawl spaces.

Research study making several recommendations to whole-home program designers and implementers for improving the cost effectiveness and reach of whole-home programs.

Information sheet about types and installation of insulation.