IRC Code Finder: Energy Efficiency
David Carmack
Energy Efficiency

Building with lower energy bills in mind is good for customer relations. Here’s the place to find all the requirements for insulation and fenestration in your area, as well as the codes that affect heating and lighting systems. Visit the links below to learn more about each section.

Building Thermal Envelope Lets you identify your climate zone so you can determine the minimum insulation requirements for each part of the building envelope. Includes window-efficiency standards.

Systems Offers useful information on sizing ducts and equipment and on insulating pipes. Also covers pool heaters and snow-melting.

Lighting Specifies the minimum number of high-efficacy lamps.

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