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Chicago energy consultants providing energy audits, energy analysis, home performance testing, and energy training & testing for BPI certification and weatherization certification. We are passionate about improving the energy efficiency of buildings while helping clients create healthy homes, comfortable homes, and living more sustainably. eZing provides residential and commercial energy audits. Our residential energy audits have earned us Angie's List Super Service Awards for 2009, 2010, and 2011.

eZing Questions

The eZing annual revenue was $1.8 million in 2026.

John Porterfield is the Vice President of eZing.

3 people are employed at eZing.

eZing is based in Oak Park, Illinois.

The NAICS codes for eZing are [22, 221].

The SIC codes for eZing are [49].

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