Residential Low Intensity

Whether you need to heat your garage, workshop, or other hard-to-heat spaces, this Sterling infrared heater provides both the fuel efficiency of radiant heat and the installation flexibility you need.

Sterling RSG Series low intensity infrared heaters are residentially certified and available with inputs of 25 to 45 MBH. All units are field assembled and utilize Sterling’s integral tube/reflector hanging system. The burner is of the box type design and is totally enclosed to protect against dust and moisture.

Standard Features

  • 25 - 45 MBH
  • Burner Box
  • Totally Enclosed Design
  • Direct Spark Ignition – 100% Shut Off
  • Natural or LP Gas
  • Factory Test Fired
  • 10-Year Burner Warranty
  • Heat Treated Aluminized Steel Tube
  • Compact Tube Size with Overall Unit Length of 9'2" for Ease of Installation
  • U-Tube Design for Even Heat Distribution
  • 5-Year Tube Warranty

The Power of Radiant Heat

The power of radiant heat, the Sterling infrared tube heater puts the warmth of the sun inside your building, and it reduces your fuel bills up to 50%! Its radiant heat warms people, concrete floors and objects. The heat is absorbed and re-radiated to warm the entire area through convection. This, combined with the fact that it is powered by gas, adds up to one unbeatable combination. So, consider a very warm and efficient alternative to competitive heaters just blowing hot air.

    Compact Infrared Gas Tube Heater

    Utilizing a heavy-duty heat exchanger, the Sterling infrared tube heater provides an efficient source of radiant heat for a wide variety of hard-to-heat spaces.


      All the Literature associated with the RSG Series


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


      Performance, Materials and Features for each RSG Series capacity model.





      MBH Input25 MBH35 MBH45 MBH


      Fuel TypeNG/LPNG/LPNG/LP




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

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