Frequently Asked Questions (FAQs)

Copies of the International Energy Conservation Code (IECC) can be purchased from the International Code Council website. Copies of ASHRAE standards can be purchased from the ...

Any building that contains conditioned space must comply with either the IECC or ASHRAE Standard 90.1.The IECC exempts buildings with a peak design rate of energy use for space conditioning less than 3.4 Btu/h•ft2 from compliance with...

The IECC addresses mixed occupancies by stating that commercial occupancies must comply with the commercial portion of the code and residential occupancies must comply with the residential portion of the code.ASHRAE Standard 90.1 addresses only...