Contact our Staff Rod DeHart President rod@dehartinc.com As third-generation family owner, Rod DeHart oversees all company operations.  Joe Amador HVACR Service Manager joe@dehartinc.com   John Hardin Commercial HVAC Project Manager john@dehartinc.com John Hardin manages all commercial/design build projects.     Michael Bowman Commercial Project Manager mikeb@dehartinc.com   Gary Johnson HVAC Estimator garyj@dehartinc.com Eric Fleck Plumbing Project Manager eric@dehartinc.com As Plumbing Project Manager, Eric Fleck oversees all major plumbing services for both residential and commercial customers.