Frequently Asked Questions (FAQs)

Topics - Commercial - Federal - Manufactured Housing - Multi-Family - Municipal - Residential

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 ...

Topics - Commercial - warehouse

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...

Topics - Commercial - Residential - code

The IECC addresses mixed occupancies by stating that commercial occupancies must comply with the commercial portion of the code and...

Topics - building envelope - Commercial

COMcheck computes an envelope index that is a reflection of the difference between a 'design' building energy performance factor (EPF) and a 'code' or budget building EPF.  The total building load (made up of cooling, heating, lighting, and...

Topics - building envelope - Commercial

Louvers are best treated as un-insulated portions of the wall. You can add them as a separate wall type (for example, if they are metal, metal building would probably be most appropriate) with no insulation but a wall area. COMcheck will do the area...