About Our Shop

David Erzinger Mechanical Service Co. has been serving the Heating and Air Conditioning needs of the greater Will County Illinois community Since 2000. We take great pride in providing quality and cost effective solutions to to your heating and Air Conditioning problems. Whether your equipment needs cleaning and preventitive maintenance, repair, or replacement, you can be sure David Erzinger Mechanical Service has the expertise to find the best solution to satisfy your needs.

Call today for a free quote on your next project.



Accepting Visa, Discover, And MC.   6 months no payment financing available on installations with approved credit

Heating and Air Conditioning Equipment Repair  

We service, repair, and install commercial and residential equipment .


We service, repair and install steam and hot water boilers. repair and install heating coils and associated piping,


Indoor Air Quality Products

Electronic Air Cleaners


Extended media Filters

UV air purifiers