423-636-8610

Greeneville, TN

Jonesborough, TN

​Gray, TN

Johnson City, TN

Kingsport, TN

Morristown,TN

Elizabethton, TN

​Erwin, TN

Financing Available

Who Are We

What We Do

Our Service Area

Brad Tweed Mechanical Services is ACCA Accredited

  • Heating and air conditioning systems repair and replacement services
    • ​Heat Pumps
    • Furnaces
    • Ductless
    • Geothermal
  • Indoor Air Quality Products
  • Electrical Services
  • Stand-By Home Generators


We participate with TVA's Financing plan. We will custom fit your home with a system that meets all TVA's standards. 

Brad Tweed Mechanical Services has been in business for over 20 years and we've been lucky enough to learn a thing or two over those years. We've worked hard to  make sure that our staff knows the most up-to-date information about all of your heating and cooling needs. Keeping you comfortable is our goal! 


Brad Tweed Mechanical Services is NATE Certified

By utilizing ACCA's Manual-J Load Calculations Brad Tweed Mechanical Services is able to expertly size your unit. Variables such as moisture content, orientation of the home, and internal heat gains and losses (from windows and doors) are all taken into consideration. Your home is then fit with the industry standard in home heating and cooling efficiency, keeping your energy costs down.

A Nate Certification ensures that your technician gives you the highest value in workmanship available.  NATE sets rigorous testing standards. At Brad Tweed Mechanical Services  we are constantly looking to continue our education to better meet the needs of our customers.