Since 1946 we have listened to what you really want..

"Please make my projects, repairs, and mechanical contracting needs easy..simple with no hassle"

That's why we became the first complete mechanical services company combining Heating and Air Conditioning, Plumbing, Electrical, and Commercial Refrigeration serving the Greater Cincinnati and Tri-State area.

Uniquely Osterwisch is the one call for all your mechanical project needs¦

• Heating
• Air Conditioning
• Ventilation Systems
• Plumbing
• Electrical
• Refrigeration

That's the Osterwisch difference

We Make it Simple

Imagine working with only one service coordinator.

Imagine a single detailed billing process for all your jobs that require multiple mechanical services.

Imagine the time you'd save with just one call.

That's the Osterwisch difference

We Do it Right

Right 100% of the time. Osterwisch quality stands alone. Each project we do undergoes our rigorous comprehensive quality check covering both the specifics of the job and work performance. No call backs..no worries. The job is done right the first time.

That's the Osterwisch difference

We Do it On Time

On time 100% of the time. When we agree on a timetable we deliver. We pride ourselves on always meeting our time commitment to you. No exceptions. We are on time, and that saves you time to do the things you should be doing and not managing an overdue project.

That's the Osterwisch difference

We are Trusted

By generations... since 1946 we have served the Greater Cincinnati and Tri-State area.  Time tested and trusted.

By loyalty... over 90% of our customers call for additional services every year.

By expertise... our team averages over 27 years of experience in all mechanical trade services. We offer the expertise gained from many years of successfully completing thousands of projects, both large and small. We believe in doing it right the first time, every time.

By credentials... our Project Management team members are fully licensed by the States of Ohio and Kentucky.  Each of our installation and service technicians are trained and insured giving you confidence and peace of mind that the job will be done right.

That's the Osterwisch difference