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Our Staff

We at JDJ believe good customer service comes from inside the company. Therefore we rigorously practice teamwork, continuous training, and a caring spirit among all of us from managers and staff, to the technicians in the field. JDJ is the place where everyone has an opportunity to grow and be appreciated. At JDJ, service and maintenance is a large part of our business.

We pride ourselves in:Equipping our staff with the most modern diagnostic instrumentation
Training and back-up support
Fully-equipped service vehicles

We consistently provide advanced training to ensure that all our technicians can maintain and repair a variety of commercial/industrial HVAC equipment.Residential, Commercial, Industrial and Institutional
24 hour, 7 day service
Preventive maintenance: Monitoring and Service contracts
Electric, Pneumatic, DDC, Energy management – Controls