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

HVAC Service


Dillett Mechanical Service, Inc. is a full-service, comprehensive mechanical contractor offering a complete range of products and services, including the design and installation of new equipment, retrofits of existing systems, comprehensive maintenance programs and emergency service.
Our service team consists of highly skilled technicians who combined have thousands of hours of training through the local union apprenticeship programs.  Our extensive capabilities and expertise are complimented by our unmatched customer care.

We service or replace all makes, models and sizes of HVAC equipment.  Some of our specialties include: large tonnage chillers, mission critical facilities, package roof top units, telecom wall hung units, large air handlers with DX or chilled water coils, cooling towers, heat pumps, heat exchangers, process cooling, process heating, high efficiency package boilers, sectional boilers, etc...

Dillett Mechanical lifting an HVAC unit

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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