HVAC Contractors

Lee Mechanical is a full service HVAC, Electrical, and Plumbing Contractor serving SE Wisconsin. Our focus is in medical facilities, industrial, and institutional buildings. Since 1976~ Let our team assist you in solving the challenges of your project. We provide Communication, Integrity, and follow through with Exceptional Service.

We at Conditioned Air Design have been providing the market with a total responsibility concept of heating, air conditioning, ventilation, and energy management for over 50 years. We are able to do this because we have all the disciplines under on roof: Design, Installation, Service and custom duct fabrication. We do it well because teamwork is the foundation of our success.

One total solution to reduce your risk- Mechanical & Fire Protection Services- HVAC, Plumbing, Industrial Ventilation, Sprinkler, Fire Suppression, Piping. Ahern creates and maintains systems that save lives, improve the environment, and ensure personal comfort and well-being.