Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010


As fellow business owners, we understand the importance of effective, reliable climate controls. Partner with our dependable commercial HVAC technicians to receive fast appointments whenever you need maintenance or repairs. We offer excellent workmanship and quality HVAC equipment that will keep your employees and customers comfortable. Our commercial department is dedicated to servicing all types of high-capacity heating and cooling systems. We serve business owners in Shelby, Patterson Springs, Light Oak, Cherryville, Fallston, Forest City, Gastonia, King’s Mountain, Lawndale, Lincolnton, Polkville, Spindale, NC and the surrounding area. Here are a few of the commercial HVAC products that we maintain, repair and install:

  • Boilers
  • Air handlers
  • Condensers
  • Cooling towers
  • Centrifugal chillers
  • Reciprocating chillers
  • Variable air volume systems
  • Light commercial HVAC units
  • Rooftop packaged units
  • Geothermal equipment


Don’t overlook the importance of commercial HVAC maintenance. Tuneups have great financial benefits for business owners and building managers. Studies show that the return on investment is near 550 percent. Your business can reap substantial benefits by avoiding major repairs and extending the life of the HVAC system. This means that you can put off replacements and purchase fewer heating and cooling systems over the decades. Preventive maintenance helps industrial and commercial heating and air conditioning equipment operate more efficiency and lowers energy consumption considerably. You’ll enjoy increased reliability and enhanced comfort at the office.


Our commercial air conditioning technicians have the expertise to provide local business owners with dependable, honest and reliable service. If you need repairs, you can’t afford to waste time waiting for the repair crew to arrive. We offer flexible appointments that work best for your business. You can avoid breakdowns and lower your company’s energy use by having our service technicians service your commercial HVAC system and develop a maintenance plan.


Have CSI Mechanical install a new heating and cooling system at your business in the Shelby, NC area. We can upgrade or replace existing equipment that no longer meets your company’s needs. You’ll experience improved efficiency and performance when you select a commercial HVAC unit made by Trane. We are a Trane Comfort Specialist and have met their many stringent customer service guidelines. Our experience covers light commercial applications and large industrial structures with rooftop packaged units and water-cooled or air-cooled chillers. We’re also qualified to design and install geothermal HVAC systems for new and existing buildings, including offices, retail outlets, churches and schools. If you’re ready to upgrade your HVAC system, our owner will visit your property to discuss the project and provide a written estimate.


Schedule an appointment Monday through Friday. We perform emergency repairs around the clock if you require after-hours service while your customers and employees are out of the building. To schedule maintenance at your business or commercial property in Shelby, Kings Mountain and surrounding communities, call CSI Mechanical today. (704) 600-6267

Contact Us

CSI Mechanical
410 S. Post Rd.

Shelby, NC 28152

(704) 600-6267

More Services

Air Conditioners

CSI Mechanical are professional air conditioning and Trane specialists, servicing the communities of Shelby, Patterson Springs, Light Oak, Cherryville, Fallston, Forest City, Gastonia, King’s Mountain, Lawndale, Lincolnton, Polkville, Spindale, NC. 

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Every homeowner should have a reliable heating system and a dependable heating contractor that they can count on if the unit develops a problem. CSI proudly serves as exactly that, deploying technicians who are fast, efficient, and honest!

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HVAC Repair, Maintenance

With regular maintenance and quick HVAC repair, you’ll prevent small problems from becoming big problems and ensure optimal performance of your comfort system in your Shelby, Patterson Springs, Light Oak, Cherryville, Fallston, Forest City, Gastonia, King’s Mountain, Lawndale, Lincolnton, Polkville, and Spindale, NC, home. 

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Commercial Refrigeration

Proper maintenance of condensers, evaporators, fans and belts are also critical to ensuring your refrigeration is running efficiently. Not only does this aid in space temperatures—it increases recovery time during busy times and saves you money on your utility bills as well.

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