Karl Zellmer

About Karl Zellmer

Emerson Commercial & Residential Solutions, Contractor Relations Karl has been serving the HVAC industry for the past 35 years, currently serving as Emerson’s vice president of air conditioning sales and technical support for OEMs and the aftermarket. Whether it is selecting a contractor, performing simple maintenance, understanding the regulations and efficiency ratings, or providing insight to what types of equipment are available, Karl offers guidance on these and other HVAC topics. For contractors and other HVAC professionals, he dives deeper into the technology and regulations, and what that can mean for their business and future plans.