Manufacturing Services

Greg Freitas

Plant Manager

Greg is the Plant Manager for AbsolutAire, and he responsible for all plant-related activities.

Greg began his career in HVAC in 1989 working for TMI in Holly, MI. Greg started on the plant floor and worked his way through all manufacturing areas before becoming Operations Manager and later Vice President of Operations. Greg oversaw four locations, notable of which was the year and a half he spent at the Montreal facility, which was a greenfield site.

Greg has spent many hours in various classrooms developing his skills around business management and leadership development. Greg studied at Washington University Olin School of Business, focusing on leadership development.     

Gary Ellis

Plant Foreman

Gary Ellis is the Plant Foreman for AbsolutAire.  In this role, he is responsible for manufacturing planning and operations management for the company’s full range of product offerings.  This includes overseeing and directing all production, including fabrication, assembly, piping, electrical, and painting.

Gary was named Plant Foreman at AbsolutAire in 2018, following more than eighteen years of experience with the company in various production and supervisory roles.  Prior to joining the company, he worked at a number of Grand Rapids-area metal fabrication and welding shops, including Benteler Automotive and the Environmental Technical Group.

Gary graduated from Comstock High School in Comstock, MI, a suburb of Kalamazoo.  He transferred here from Obion County High School in Union City, TN in order to be closer to family.  His educational interests included shop technologies, welding, art, and photography.

Married to his wife, Kelly, in the fall of 2018, Gary’s recreational interests include fishing, hunting, riding motorcycles, and just relaxing at home with the family dog.  The couple resides in Plainwell, MI.

Michael J. Woodward

Manager, Facilities & Safety

Mike Woodward is Maintenance Coordinator for AbsolutAire. Mike is responsible for overseeing all maintenance-related tasks in the office and production facilities. This includes managing AbsolutAire’s preventative maintenance program, which includes all facilities and each piece of production equipment on a weekly, monthly, tri-annual, semi-annual, or annual basis. Mike has also recently taken on the responsibility of our Safety Program in addition to the Maintenance Program.

Mike began his AbsolutAire career in 1996, and has worked in various positions throughout the company since then. He started in the electrical and testing departments, and eventually worked his way up to Electrical and Testing Supervisor. He also worked as a Service Technician and Production Coordinator. He assumed his current position in 2010, and implemented our Preventative Maintenance program in 2011.

In 1978, Mike earned an Associate in Applied Sciences from Montcalm Community College. He also has experience in construction and drafting.

Glenn Antisdel

V-series Production Manager

Glenn Antisdel is the V-Series Production Manager in the AbsolutAire plant.  His responsibilities include managing the V-Series construction and assembly team, working directly with the Production Manager to ensure that all units are built accurately and shipped in a timely manner.  Also he works closely with the Engineering Department, offering suggestions for continuous improvement of the V-Series product line.

Glenn began his AbsolutAire career in June 2005 in the AA-Series assembly department, after which he transitioned into a V-Series assembler.  In 2017, he was promoted to V-Series Production Manager.

Glenn received a degree in AutoCAD from ITT Technical Institute in 2008.  He also received his AWS welding certificate in 1998.

John Deisler

Quality Control Manager

John Deisler is the Quality Manager at AbsolutAire.  He is responsible for leading the company down a path of improved, consistent, and sustainable quality, which requires constant data collection and routine job shadowing.  John is primarily responsible for the Quality Control and Test Stand Groups in the manufacturing area. 

John joined AbsolutAire in November of 2014.  Before joining the company, John was employed for 24 years by Dimplex Thermal Solutions, a local chiller manufacturer.  While there, he dedicated most of his focus to the Materials Group, but he also interacted on a daily basis with the Quality Group.

John earned his Bachelor’s Degree in Business Administration from Western Michigan University in 1983.  He majored in Marketing and minored in Management.  

Mike Ambron

Quality Technician

Michael assists with creating and updating AbsolutAire operating procedures on the assembly floor, in addition to helping with quality control. Mike is currently working on assembling a digital knowledge database, accessible to all employees at all times, to ensure that all standard operating procedures are available to those when needed and are as current as possible.

Mike joined the AbsolutAire family at the beginning of 2021. Prior experiences include over ten years in warehousing/logistics/management, seven years in communications, and eight years as a business owner building custom homes.

Mike has been working with the Kalamazoo Boys and Girls club for the last eight years, involved in their back-to-school drives for underprivileged children. He also teaches a youth bow hunting course in Kalamazoo.  Mike is also a skilled pool player, and was a member of the Kalamazoo American Poolplayers Association from 2002-2009, serving as team captain from 2007-2009. Mike was ranked in the top ten pool players in Michigan, and has competed nationally multiple times.