A compliance report generated by DOE software that demonstrates building envelope thermal performance meets energy code requirements for permits.

A Rescheck report is a compliance document generated by the U.S. Department of Energy’s REScheck software that demonstrates a building’s envelope thermal performance meets the requirements of applicable energy codes, providing a standardized method for builders, designers, and code officials to verify energy efficiency compliance during the permitting and inspection process. This essential documentation tool calculates the overall thermal performance of building assemblies including walls, roofs, floors, windows, and doors, comparing the proposed construction against prescriptive or performance-based energy code requirements to ensure compliance with standards such as the International Energy Conservation Code (IECC) or state-specific energy codes. REScheck reports are widely accepted by building departments across the United States as proof of energy code compliance, making them fundamental documents in residential and commercial construction where energy efficiency requirements must be met for permit approval and final inspections.

REScheck reports are utilized in various construction scenarios including residential building permits where new homes must demonstrate compliance with energy codes before construction approval, commercial building projects where energy performance documentation is required for permit applications and code compliance verification, renovation and addition projects where modifications to existing buildings must meet current energy code requirements for the altered portions, building plan review processes where code officials use REScheck reports to verify proposed construction meets energy efficiency standards, construction inspections where field personnel can reference REScheck documentation to verify installed materials and assemblies match approved specifications, and green building certification programs where energy performance documentation supports LEED, ENERGY STAR, or other sustainability certifications. Each application requires accurate input data and proper interpretation of results to ensure valid compliance demonstration.

The components and methodology of REScheck reports include building envelope assembly inputs where users specify construction details for walls, roofs, floors, foundations, windows, doors, and skylights with their respective thermal properties, climate zone identification that determines the applicable energy code requirements based on geographic location and local amendments, thermal performance calculations that evaluate heat transfer through building assemblies using standardized calculation methods, compliance verification that compares proposed construction against code requirements and identifies areas of non-compliance, trade-off analysis that allows higher-performing components to compensate for lower-performing elements within overall compliance limits, and detailed output reports that provide documentation suitable for permit applications and code official review. The software incorporates current energy code requirements and is regularly updated to reflect code changes and amendments.

Fun Fact: The REScheck software was first developed by the U.S. Department of Energy in the 1990s to simplify energy code compliance and has since been used for millions of building projects, becoming the de facto standard for energy code compliance documentation.

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