• All Makes and Models
  • Gas Furnaces
  • Gas Pacs
  • Heat Pumps
  • Split Systems
  • ​Seasonal Checkups
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DON’T BE A HOT DOG!!
  • Residential
  • Commercial
  • Restaurants
  • Supermarkets
  • ​Churches
  • Facility Maintenance
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A&J Mechanical Services LLC
​Rock Hill - Columbia - Lancaster
35+ years experience
Call Or Text Us today 803-246-1989
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*State Licensed and Fully Insured Heating and AIr Conditioning contractor.*
FREE Estimates on Installs and Change outs.
FREE 2nd Opinions on Competitors Diagnosis.
We Can Save You alot of $$$$$
*WE FIXEM ALL Y'ALL*
OUR SERVICE REGION
​Our 35+ years experience in the business allows us to offer services on the items listed below.
​We can be your one call Facility Maintenance company.