High Efficiency Unit Heater

Introducing Matrix , the latest unit heater from Sterling HVAC. Discover unparalleled performance, unmatched efficiency, and remarkable cost savings with this state-of-the-art condensing unit heater. Elevate your heating efficiencies and savings with Matrix, the ultimate solution for all your modern commercial heating needs.

Using Sterling's 70+ years of gas-fired unit heater experience coupled with modern day technologies, Matrix provides the ultimate combination of high performance and durability in a very cost-conscious package. Boasting a +93% thermal efficiency rating, Matrix, is the perfect solution for today's energy-efficient light commercial and commercial applications.

Standard Features

  • 50 - 400 MBH
  • 93% Thermal Efficiency
  • ZAM treated corrosion resistant cabinet
  • 409 Stainless Steel Tubes with Brass and Aluminum Fins
  • Separated or Standard Combustion All-In-One Units
  • Optional Gas Conversion Kit (NG & LP)
  • Single Stage Gas Control
  • In-Shot Burners
  • PVC/CPVC Vent Compatible
  • Multiple Voltage Configurations
  • Condensate Float Switch and Trap Standard
  • Optional Condensate Pump and Condensate Neutralizer
  • 10-Year Heat Exchanger, Flue Collector, and Burner Warranty

Corrosion Resistant

Built not only for performance, Matrix utilizes a unique corrosion resistant ZAM treated cabinet making it the most durable piece of equipment available today, even in the harshest of environments. Matrix is not only perfect for traditional applications including loading docks, garages and warehouses but it is ideal for more corrosive environments like greenhouses and agricultural buildings.

    Heat Exchanger

    XH HeatEx-CoilSide

    Matrix uses an exclusive tri-metal stainless steel heat exchanger maximizing heat transfer for class-leading
    operating efficiencies.


      All the Literature associated with the Matrix


      For additional items browse the full Literature library at the link below.


      Performance, Materials and Features for each Matrix capacity model.


      MBH Input50 MBH400 MBH
      Thermal Efficiency93%93%


      The Matrix is quite versitile it can be installed in a variety of applications. Here are a few key ways The Matrix can make your space more comfortable.

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