Rasmussen Vent-Free FireBall Sets on Black Painted Chassis

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Brand: ALTERNA Contemporary Gas Fires
Selected FireBall Color is
$907.00 - $2,005.00
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Rasmussen Vent-Free FireBall Set with Black Painted Chassis Sets

  • 4-inch Diameter Spheres made from the same high-heat refractory concrete as our gas logs
  • Choice of 7 Colors
  • 3 Set Sizes: 20", 24", & 30"
  • Specify either Natural Gas or Propane
  • 3 Lighting Control Choices

 FireBalls are the modern alternative to the traditional log set for the fireplace. Rasmussen FireBalls offer a contemporary look that compliments most fireplaces. Fireballs come in 7 colors, including natural, the color of the concrete, 3 dark colors, and 3 lighter colors, with some more exotic colors like adobe red and beige. The ventless fireball set is simple, elegant, and can be used in most fire enclosures.

All vent free fireplace sets are certified to two standards: ANSI Z21.11.2 (Unvented Room Heaters) and ANSI Z21.60 (Vented Decorative Appliance). Use in wood-burning fireplaces or approved vent-free firebox enclosures. These fireplace balls may be used with the damper open, closed or anyplace in between. Vent-Free fireplace sets are supplemental zone heaters, they are not intended for continuous use or whole house heating. 20" set has 30,000 BTU/hr maximum inputs and 24" & 30" have 40,000 BTU/hr maximum inputs.

These ventless fireplace balls have 3 lighting control options as well. ME Manual Control uses a standing pilot, but can only be turned on and off from a valve attached to the set. RE Remote Control uses a standing pilot and a variable flame height remote control. EI Remote Control does not use a standing pilot, but instead only has a pilot briefly with the push of a button for ignition, and also comes with a variable flame height remote control. For more information about Lighting Control Options please click on the link.



Free Shipping. Ships from southern California via UPS. FireBall sets are made to order, so please allow at least 7 days before it ships. Feel free to contact us after this lead time for a status update on your FireBall set if it has not been marked as shipped yet.


FireBall ventless sets cannot be returned to us once they have been burned. Colored FireBalls also cannot be returned, but Natural FireBalls can be returned. If the set has not been used, it can be returned to us within 30 days. See Return Policy Details


Minimum Fireplace Dimensions 

20" Set AFB20 Burner
Front Width 26"
Rear Width 20"
Depth 11"


24" Set AFB24 Burner
Front Width 30"
Rear Width 24"
Depth 11"


30" Set AFB30 Burner
Front Width 36"
Rear Width 30"
Depth 11"

2 Reviews

  • 4

    Posted by TP on Mar 14th 2023

    We ordered the natural fireballs with the chassis insert. Very beautiful! We have only used it once and the fireballs in this particular color did not smudge or have debris. Shipping was also very fast. I took off a star only because the front of the insert arrived with a grease or paint mark (about 3 inches) on the very front, it probably happened during manufacturing and you can see it from a certain angle and light.

  • 5
    Vent free fireball set

    Posted by Jenifer on Jan 3rd 2022