Founded in 1980, Weas Engineering, Inc. is a privately held, regional provider of water management programs for boiler, cooling, reverse osmosis, and wastewater systems. Based on the unique characteristics of your facility's systems, Weas blends treatment products and provides equipment and services to help achieve the best possible operating results.


Weas Engineering is committed to quality. Quality largely defines who we are as a company and how we present ourselves to our customers. The preeminent value we place on quality is evidenced in virtually all aspects of our daily operations. From the cleanliness of our fleet, the uniforms of our people, our engineered dosing systems and, of course, our formulated products, we bring this commitment to your facility in every aspect of our customer relationship.


As an ISO 9001:2015 certified company, we hold our manufacturing facility and testing laboratory to the highest of standards. We are proud of our commitment to quality and believe that it will reflect in the performance of your operation.

Contact Us

As a growth-oriented company, we welcome the opportunity to service your facility. Feel free to give us a call or send us a message to discuss your particular needs.



                                              Weas Engineering

                                                   Westfield, IN

                                                    P.O. Box 550

                                              P: (317) 867-4477

                                              F: (317) 867-1040



On -site service provided in:


Indiana | Illinois | Ohio | Kentucky   Tennessee | Michigan


Weas Engineering

 (317) 867-4477

Providing Legionella Testing Nationwide in our CDC Elite Certified & A2LA Accredited Laboratory