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Remodeling Contractors

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Opportunity for Remodeling Contractors! Many remodeling projects provide rare access to a home’s interior or exterior and a perfect opportunity to upgrade or update a home’s energy efficiency. RMI, the National Renewable Energy Laboratory (NREL), Lawrence Berkeley National Laboratory (LBNL), and the...

RED Calc: Known Issues

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There are currently no known issues with RED Calc or RED Calc Pro as of DOE's acquisition. If you encounter issues in the future, you may want to check this page to see if it a known issue.

Tips to Sell Quality Installed Home Improvements

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Home Improvement Expert is a valuable tool for organizations committed to quality installed work. The following tips help optimize the value of this tool when selling home improvements: Trust Matters: Inform homeowners how your work conforms to this world-class expert guidance. Recommend they visit...

HPWH Installation Tool: air volume / airflow modifications

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Consider interventions to the space to accommodate air volume and airflow. Enclosed room Fully louvered door Upper and lower door grilles Inlet or exhaust ducting and half-louvered door or single door grille Inlet and outlet ducting > 700 ft 3 ✓ ✓ ✓ ✓ ✓ 84 - 700 ft 3 ✓ ✓ ✓ ✓ < 84 ft 3 ✓ ✓ Minimum...

Building America Team Taxonomy Terms and Keywords

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Content on this page was updated 11/10/14. This page provides content submission information for Building America team members only. Others in the building industry should contact theresa.gilbride@pnnl.gov or refer to the Criteria for Submitting Content for non-Building America team members...

Criteria for Submitting Content to the Building America Solution Center

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We welcome your contributions to the Building America Solution Center. We are seeking photographs, drawings, CAD files, training videos, and peer-reviewed publications and presentations, including articles, conference papers/presentations, and reports that support energy-efficient residential...

Building Science Explorer Help

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Category Blocks This window organizes groups of documents into blocks based on the criteria specified in the ‘Categorize by’ drop-down menus located at the top of the screen. Documents are first organized into high-level blocks based on the selection in the first drop-down menu. Within each block...

Guide to Determining Climate Zone by County: Data Files

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This page provides access to the data files noted in the report titled Guide to Determining Climate Zone by County: IECC and Building America 2021 Updates. The data files provided here include GIS shapefiles for the 2021 IECC and Building America climate zone maps, along with GIS shapefiles for the...

RDT package definitions

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No Upgrade Recommended: These homes are already ZCA. This may be true for newer homes that are well insulated and already electrified. Equipment Electrification: These homes may already have enough insulation to be ZCA, however equipment may not currently be all-electric. Basic Envelope + Equipment...

RED Calc™

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RED Calc building science calculation tools help energy auditors and analysts become more productive and confident of their results.

Disaster Resistance

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Whether building, renovating, or restoring a home, make it more resistant to natural disasters.

Units Calculator Tool Guide

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What this tool does This tool converts one unit to another within a unit category. For example, feet (a unit in the unit category of length) can be converted to meters (a different unit within the same unit category). Included unit categories and corresponding units Angle – deg (degree); rad (radian...

ASHRAE 62.2-2019 Tool Guide

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What this tool does The ASHRAE 62.2-2019 RED Calc tool handles all the requirements of the Standard, including new and existing buildings, the alternative compliance path, and infiltration credit. We have added useful features, including the advanced blower door inputs option, the fan-run time...

Home Improvement Expert™ Checklists

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Ensure your home improvements meet expert standards by using the U.S. Department of Energy’s fact sheets and including the Contractor Checklist in your work agreement.

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