Our Team

The technicians and staff at Lammers Heating & Air Conditioning are a dedicated group of individuals, working together as a team to ensure quality work and customer satisfaction.

Jim & Kathy Desy
Founders
Founders of the company and retired in 2016.

Todd & Lisa Desy
President
With Lammers since 1986.

Tyler Desy
Customer Service Representative
With Lammers since 2014 and a Navy veteran.

Dave Crockett
With Lammers since 2013.

Donnie Kemplin
Install Technician
With Lammers since 2015.

Harold Pickell
Install Technician
With Lammers since 1985.

Josh Crawford
Salesman
With Lammers since 2005.

Dave Sherfinski
Lead Service Technician
With Lammers since 2002; Lansing Community College graduate.

Tom Morris
Service Technician
With Lammers since 2014.

Mike Olney
Service Technician
With Lammers since 1997.

Ben Sauber
Service Technician
With Lammers since 2011 and a Marine Corp Veteran.

Seth Storm
Installation Technician

Jacob Gramm
Installation Technician

Dave Overmyer
Service Technician

Christopher Rutan
Service Technician

Andy Dubois
Installation Technician

Jeff Whitney
Service Technician

Jesse Dick
Service Technician