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

Once Upon a Time...


Our Pledge

Dillett Mechanical Service is a full service Heating, Ventilating, and Air Conditioning (HVAC) company. Our specialty is working with our customers in the repair, maintenance and design of their commercial and industrial HVAC systems along with their process heating and cooling systems.
We understand the meaning of service. What can you expect from Dillett Mechanical Service?

  •   Emergency service 24 hours a day 365 days a year
  •   If you request emergency service, we guarantee same day response
  •   Service technicians fully qualified to diagnose and repair your systems
  •   We check in and out with your authorized representative
  •   We look and conduct ourselves in a professional manner
  •   We clearly explain any service problems and the procedure to resolve them economically
  •   We are willing to work with your personnel to get the problem solved
  •   Our rates are highly competitive with industry standards
  •   We follow your required billing procedures
  •   We partner with you honestly and maintain the highest degree of integrity
  •   We welcome the opportunity to present a Custom Preventive and Predictive Maintenance Program with your personnel and our technicians working together.
We're confident that if you give us a try, you will be satisfied with the results.

We want to become your maintenance and service partner for all your systems. We feel this approach both saves you money and optimizes the efficiency of your sytems

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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