Welcome to Leonard Mechanical Services, Inc.

 Complete Facility HVAC Solution 


Celebrating 30 Years serving our Customers


Serving the Miami Valley Since 1990

Built a reputation on honesty and integrity.  

A combination of knowledge, technology and customer centric service has kept us meeting customer needs quickly and cost effectively.


Specialize in Commercial & Industrial

Serving the commercial, industrial and institutional markets with prompt, professional service and the knowledge to keep your business functioning in optimal climate conditions.  


Expect a Quality Commitment

We believe in the value of three things in a business: time, quality and money.  Our customers time is valuable. So, we make it our priority to deliver a job well done - one that is of high quality - saving our customers time and money in the
long run.