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EERE Information Center

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Technical Support/FAQs

Answers to technical questions about National Building Energy Codes and the REScheck™ (formerly MECcheck), COMcheck-EZ™, and COMcheck-Plus™ software products are available via e-mail. State specific code questions should be directed to your state energy office or local code official.

Contact Our Technical Staff

• Use our on-line form to submit questions to our technical support staff.

Frequently Asked Questions

• Code Compliance Questions:
  • About Energy Codes (MEC & IECC)
  • About Residential Code Compliance
  • About Commercial Code Compliance
• General Software Questions:
  • About REScheck Software
  • About AreaCalc Software
  • About COMcheck-EZ Software
  • About COMcheck-Plus Software
• Software Input Questions:
  • About Solar Heat Gain Coefficients (SHGC)
  • About Residential Additions
  • About Residential Basements
  • About Perimeter Slab Insulation
  • About Metal Buildings
  • About Weather Files
  • About REScheck and Air Infiltration
  • About Site-built and Curtain Wall Systems
  • About Insulating Suspended Ceilings
  • About Crawlspace Ventilation
• Software Download Questions:
  • About Windows Download Problems
  • About Mac Download Problems

Technical Support Documents

Methodology for Developing the MECcheck™ Materials through Version 3.3 (PDF 1.3 MB) -- Appendix A (PDF 848 KB). Download Acrobat Reader

Technical Assistance to States

Technical assistance to states and local jurisdictions to promote the adoption, implementation, and enforcement of residential and commercial building energy codes is also available.