RSF Focus ST


The Focus ST is a contemporary, high-efficiency see-through fireplace that can be enjoyed from two separate rooms. Each side includes a large glass viewing space and an operational door.

Capable of heating up to 1,000 square feet, the Focus ST is designed for ambiance and comfort.

The Focus ST is EPA exempt because of the burn rate but has been certified by an independent lab to meet EPA standards with an emission rate of 7.5 g/hour.

Standard Features

  • Heats up to 1,000 square feet
  • Takes a 20” log
  • 4.1 cubic foot firebox
  • EPA Exempt
  • Approved for a vented Gas log set
  • Optional gravity vents
  • 30-year warranty



  • Outside Dimensions: 37 1/4”W X 45 1/4”H x 21 3/4”D
  • Shipping weight: 600 lb
  • Firewood Length: 20”
  • Firebox Size: 4,1 cubic feet
  • Chimney: 8″ Excel
  • Door Finish: Black
  • Outside Air: 4″
  • Mobile home approved: NO


  • BTU Output Range: 50,000
  • Heating Capacity: 1000 ft2
  • EPA Certification: note

Hearthstone House of Fire

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