National Power's COVID-19 Message to our Customers



The COM4T heat pumps are the best HVAC systems on the market, designed with advanced inverter technology to provide variable capacity and ensuring quiet operation, energy efficiency, comfort control and reliability.

COM4T heat pumps are wall mounted packaged units, including indoor and outdoor series for different applications. The refrigerant piping and internal wiring are factory assembled and thoroughly tested. All components are readily accessible for easy service and maintenance.


  • Whisper Quiet Operation
  • Inverter Driven Technology
  • Comfort Control
  • Energy Efficient
  • Time Saving Serviceability

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