Your Guide to Level 1, 2 & 3 Commercial Energy Audits: Differences Between Cost & Content

What IS the difference is between a Level 1, 2 or 3 ASHRAE energy audit? Which one should I do? How much will it cost? As someone who helped write the book on energy audits and the standard that defines the scope of each, I’d like to help demystify these concepts. In this post you’ll […]