Electrical & Mechanical Construction Company. Edwards provides complete facility maintenance, service and repair through our Service Department. Our skilled service technicians are trained in all aspects of HVAC, electrical, refrigeration and plumbing repairs. Our Controls Department can design and install a Building Automation System (BAS) tailored to your specific facility. Edwards provides comprehensive system design and installation for commercial and industrial HVACR systems. We also offer complete electrical construction installation services for commercial and industrial facilities including retail, distribution and manufacturing.