Dillett Mechanical - Commercial Industrial HVAC - Waukesha's heating & air conditioning experts!

Once Upon a Time...




Dillett Mechanical Service, Inc. has a full service Refrigeration Department specializing in maintenance and repairs on all makes and models of refrigeration equipment. We can offer energy efficiency upgrades to your existing refrigerant systems to lower your overall operating costs. We are available to meet your needs 24 hours a day 7 days a week.

We service a wide range of refrigeration equipment including:


Walk-in coolers and freezers

Reach-in coolers and freezers

Under the counter coolers and freezers

Ice machines

Large industrial built-up coolers and freezer

Low temperature cascade systems


We service all the major manufacture's refrigeration equipment including:



  • Beverage-Air
  • BohnHeatcraft
  • Hussman
  • Traulsen
  • Russell
  • True
  • Tyler
  • Hoshizaki
  • Ice-O-Matic
  • Scotsman
  • Vogt
  • Manitowoc


Walk in cooler installations

About Dillett Mechanical

Mike Dillett founded Dillett Mechanical in 1996. With over 30 years of experience in commercial and industrial HVAC Mike realized that most industrial and commercial businesses want to reduce their dependency on outside contractors.


Feel free to contact us and find out more about our products and services.

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