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What We Do


Mainline Service has been providing quality work at an affordable  price to the triad since 1965. We stand behind every job we do and strive to provide the best service possible.


Installation & Replacements

Is your system ready to be changed out? Do you have a new construction project that needs a complete system? Were here to help. We provide service to commercial and residential clients. 

Pole Lights

Mainline Service would love to get your pole lights working again. We have experience with parking lot lights and any pole light issues you may have, 

HVAC Maintenance & Repairs

We only sell you a system if you need it. Does your HVAC unit need a tune up or a repair? Mainline is here to help. We offer service contracts to keep your unit going. 


From ceiling fan installs to a complete warehouse wired we have your back. We do industrial,  commercial and residential wiring.  We have experience with wiring all kinds of commerical machinery. 

Commerical Refrigeration

Have a restaurant in the triad that has a cooler down? We service ice machines,  refrigerators and freezers. 


Do you see a service that you need but have no idea what it will cost? Were here to help. We provide free estimates within a 20 mile radius of the triad. We will walk you through what needs to be done and the best way to do it. 

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