The Service Department

 of DeSesa Engineering Company, Inc. has the skilled manpower and expertise to repair and maintain HVAC equipment in a variety of commercial and industrial applications. 

All mechanics serve a five year apprenticeship period in addition to attending a certified heating and air conditioning instruction school. Our mechanics attend yearly specialized classes in all new equipment and stay ahead of industry changes. 

We at DeSesa feel that with education and years of experience, we can provide the kind of service a customer respects.

Desesa Service

We provide prompt service around the clock, 24 hours a day, seven days a week. A staffed fleet of service vehicles equipped with most parts and supplies are always on call. Our technical staff is fully trained on most commercial units.


In our home office, we have vast information at our fingertips to research any problems we cannot resolve on the job site. Our on-site supervision helps expedite repairs and ensures your confidence that the job is done right.


Dedication, expertise and professionalism are the words we live by to make our customers rest assured that their HVAC systems are totally maintained.



Contact us today and we will write a personalized service contract just right for your building.

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