M.S. JOHNSTON COMPANY - HVAC – Air Conditioning – Food Service Equipment

Welcome to the M.S. JOHNSTON COMPANY, INC.

As the longest-tenured York dealer in the world, M.S. Johnston Co. excels at building and sustaining relationships. We value each association with customers, suppliers and professional groups. Along with the company’s beginnings in commercial refrigeration, we have expanded to include the food service industry, heating and air conditioning and mechanical engineering. We offer sheet metal, commercial, and industrial HVAC design/build, along with service and sales of restaurant and HVACR equipment.

"For over 80 years our family has been proud to serve our customers & our community"
- Mike Johnston
  • Mechanical Contracting
  • Commercial and Residential HVAC
  • Green Building
  • Service on all brands of equipment
  • Sheet Metal Shop
  • Commercial Refrigeration
  • Food Service Equipment & Service
  • Mobile Refrigeration
"For over 80 years our family has been proud to serve our customers & our community"
- Mike Johnston
  • Mechanical Contracting
  • Commercial and Residential HVAC
  • Green Building
  • Service on all brands of equipment
  • Sheet Metal Shop
  • Commercial Refrigeration
  • Food Service Equipment & Service
  • Mobile Refrigeration
M.S. JOHNSTON COMPANY © 2021