Our Team, Our Family

McCormicks has been in business since 1925 and here at McCormick's we consider all employees and customers as family and treat each other accordingly.


Our technicians take pride in their work and make sure it is done right the first time. We know the harmful effects of dirty air in the home and work diligently to make your house clean and energy efficient.


As a Factory Authorized Dealer for Carrier, our team receives regular factory training to update their skills so you know you are getting the best service at the lowest cost. We can always recommend the latest technology for your installations and will troubleshoot your problems in no time.

Tim Arndt - Owner


Born in Nebraska and a resident of York for over 13 years, Tim is a graduate of Southeast Community College and has been in the HVAC business for over 20 years. Tim started out as a service tech for McCormicks and bought the business in May of 2011. He and his wife Jennifer have four children and look forward to serving York and the surrounding communities. 

James Moore - Shop Fabricator


James started in 2015 and makes duct work for all residential and commercial jobs. He likes to work on custom sheetmetal orders for customers. No job is too big or small.





Donna Weldon - Parts Manager


Donna has been a part of the McCormicks family for 4 years. She is responsible for making sure all parts are ordered and kept in stock.

Tom Miller - Shop/Parts Assistant


Tom has been a member of the McCormick's family since 2005. Tom is semi retired now and helps out wherever he is needed. 


Caleb Schelkopf - Service Technician


Caleb has been a member of our family for 6 yrs. He does commercial and residential services.

Jonathan Carlson - Installer/Service Technician


Jon has been with the company for 2 years. Jon works on installing residential and commercial units. He also helps out in the service deptartment.

Mike Leu - Lead Installer


Mike has worked for the company for 5 years. He works on commercial installs.



Rocky Karber - Lead Installer


Rocky has worked for the company for over 7 years.  He works on residential and commercial installs. 

Jeff Davis - Installer


Jeff has been with the company 17 years. Jeff is a master of most trades. He installs both commercial and residential units. 

Jamie Moore -  Office Manager

Josh Scheffler - Service Technician



Mark Jordan - Service Tech Apprentice





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