2005 – Trademarks registered with the U.S. Patent and Trademark Office for AABC, AABC National Standards, Associated Air Balance Council, TBE, Test and Balance Engineer, and TAB Journal.

2006 – Walter and David McCauley created four training DVDs, which were made available for purchase to enhance industry knowledge. AABC was accredited as a standards developer by ANSI, paving the way for submitting the next edition of the AABC National Standards for approval as an American National Standard.

2007 – A new policy required every branch office to employ a Test and Balance Engineer (TBE) to maintain consistency and quality. Honorary memberships were introduced to recognize and honor retired AABC members for their contributions.

2008 – Work began on the Energy Management Guideline, a collaborative effort between AABC and ACG.

2009/2010 – A strategic plan led to the creation of committees focused on marketing, quality assurance, training, and more. New resources included a marketing folder, pocket manual, quality assurance guide, AABC specifications, Member Handbook, and the first Lunch and Learn presentation.

2011 – Discussions about an NEBB-ASHRAE merger were met with criticism, leading AABC to invite ASHRAE presidents to future Annual Meetings for better collaboration.

2011/2012 – AABC hosted its first regional meeting in Nashville, TN, gathering over 80 attendees to discuss “Optimizing HVAC System Performance.”

2012/2013 – The second regional meeting was held in Baltimore, MD, and due to its success, regional meetings replaced the semi-annual meetings with declining attendance.

2014 – AABC launched Total System Balance Weekly, an e-publication to promote TAB Journal articles and encourage Lunch and Learn requests. AABC zones were reallocated to serve members better and streamline operations.