How to navigate standard 90.1-2001: the User's Manual points the way, say its creators. (Focus: addressing high efficiency).
Air Conditioning, Heating & Refrigeration News, January, 2003 by Checket-Hanks, B.
Standard 90.1-2001 is not an easy read. Energy efficiency is not a simple topic. Thankfully, however, the 90.1 User's Manual cuts to the heart of compliance for commercial buildings, spelling out simple solutions, what is required, what isn't, how to make trade-offs (for instance, so that IAQ isn't sacrificed to efficiency). It also details how to calculate the efficiency of more complex designs.
The manual includes a CD containing Envstd 4.0 energy calculation software and compliance forms. The entire package was prepared by Eley Associates of San Francisco and is available through ASHRAE (www.ashrae.org).
The updated energy efficiency standard covers HVAC systems, service hot water, building envelopes, and lighting for commercial, industrial,...
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