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

Once Upon a Time...



Dillett Mechanical Service, Inc. has a full service Chiller Department specializing in service on large tonnage water cooled centrifugal and screw chillers. We offer a wide range of services including:

 Dillett Mechanical Chiller

Refrigerant Recovery, Retrofits and Reclamation

Oil Spectrographic Analysis

Vibration Analysis

Thermal Imaging

Eddy Current Tube Testing

System Performance Evaluations

Compressor Overhauls

Chiller Replacements



Dillett Mechanical Service, Inc. has Bitzer factory trained technicians on staff to offer screw compressor retrofit options to replace your old reciprocating compressors. This is a great refrigeration system upgrade that will provide the highest efficiency levels available in their class and will move you one step closer to achieving LEED Certification.  



Dillett Mechanical HVAC Chiller Install

Dillett Mechanical HVAC Chiller Installation

Dillett Mechanical Chiller

Dillett Mechanical Chillers

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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