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Economical, environmentally responsible Add-on Cooling provides year round cooling from the same ducts as your gas heating system. It uses the fan from your gas furnace to cater your cooling requirements.

Can be installed to your existing gas ducted heater regardless of the brand and one thermostat can control both heating and cooling functions.

Lennox TSA Series


  • Scroll compressor
  • R-410A Refrigerant
  • Self diagnostic liquid line drier
  • High cooling capacity
  • Unobtrusive design
  • Available in single or three phase electricity options


TSA036S4-1, TSA048S4-1, TSA060S4-1

Cooling capacity 9.7kW, 12kW and 14.3kW

 TSA048S4-3, TSA060S4-3

Cooling capacity 13.5kW and 16.7kW