CRA Energy Calculator update

8/28/2017

The Chaleff & Rogers Energy Calculator, which can be used to calculate residential building heat loss, has been recently updated and can be downloaded here.

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SIPs & more...

Blog on SIP's, Sustainable Architecture and Design & more ....

Bill Chaleff

Registered Architect
A.I.A., LEED AP

East End Green Architect who has designed with
SIPs since 1986.

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* Some of Bill's SIP Articles have been reposted in this blog format for easier access and clarity. Many of the articles, which were written over 10 years ago, are still relevant.