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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