Heat & Glo COSMO Gas Insert

Starting at $2,746

No more drafty, dated fireplaces. No more messy maintenance. No more soot and smoke. It’s time for an immediate upgrade, with interest.

Ditch the logs completely. Go modern. A ribbon of flame and glistening glass interior take your fireplace transformation to the next level.

  • 13,500 - 28,000 BTUs
  • 30 or 35-inch viewing areas
  • Customize your look with distinctive interior options

Design & Price

Key Features and Technologies

Direct Vent Technology

Direct Vent Technology

With Direct Vent Technology, your fireplace can use outside air for combustion, expelling 100% of the combustion exhaust and by-products.

Current Offers

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The Halo front offers a modern, tailored appearance to any hearth with two color options. Or select from a variety of other front options to complement any home décor.

A surround, available in a variety of sizes, is required to fill the gap between the insert and the fireplace opening.

Halo Front Halo Front
Folio Front Folio Front
Chateau Front Chateau Front
Halston Front Halston Front
Arcadia Front Arcadia Front


Have complete control over your fire. Controls listed are tested and approved for recommended use with the hearth systems indicated.

IntelliFire Plus RC100

IntelliFire Plus RC100

Features a simple, single mode function and is specifically designed for wall placement ensuring a great fire is just a tap of the switch away.

IntelliFire Plus RC200

IntelliFire Plus RC200

Combines an easy-to-use and intuitive control panel with a stylish and ergonomic design. Since it utilizes wireless control, it has the flexibility for wall placement anywhere in the room, or use as a remote only.

IntelliFire Plus RC300

IntelliFire Plus RC300

Incorporates an LCD screen, intuitive menus and large control buttons in a sleek and modern design. This wireless control gives you the flexibility to use as a remote only or mount on the wall anywhere in the room. Comes standard with the 6000CL, 6000CLX, 8000CL and 8000CLX models.


Accent the firebox with glass.

Glass Media, Black Glass Media, Black
Glass Media, Crystal Glass Media, Crystal
Glass Media, Blue Glass Media, Blue
Glass Media, Amber Glass Media, Amber
Glass Media, Black Glass Beads Glass Media, Black Glass Beads
Glass Media, White Glass Beads Glass Media, White Glass Beads
Ceramic Fiber Stones Ceramic Fiber Stones


A surround, available in various sizes, is required to fill the gap between the insert and fireplace opening. See your local dealer for more information.

Cosmo Insert Surrounds Cosmo Insert Surrounds

Termination Options

A termination cap finishes your gas insert with a clean, upscale look. And, these durable caps also protect venting components and ensure safe exhaust flow.

Square Termination Caps Square Termination Caps
Round Termination Caps Round Termination Caps

Dimensions in inches. Refer to installation/owner's manual for detailed specifications on installing this product. Hearth & Home Technologies reserves the right to update units periodically. Product installation must adhere strictly to instructions shipped with product.

Model Specifications


Unit Front Width: 30-5/8
Front Width Min. Firebox Opening: 29-1/16
Unit Back Width: 20-3/16
Back Width Min. Firebox Opening: 20-1/2
Unit Height: 20-7/16
Height Min. Firebox Opening: 19-1/16
Unit Depth: 14-5/8
Depth Min. Firebox Opening: 13-7/8
Glass Size: 27-1/2 X 12-3/16
BTU/Hour Input: 23,000 (NG)


Unit Front Width: 34-5/8
Front Width Min. Firebox Opening: 33-3/16
Unit Back Width: 23-7/16
Back Width Min. Firebox Opening: 24
Unit Height: 24-1/16
Height Min. Firebox Opening: 22-9/16
Unit Depth: 15-11/16
Depth Min. Firebox Opening: 15-1/16
Glass Size: 31-5/8 X 15-11/16
BTU/Hour Input: 28,000 (NG)

Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the Owners Manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owners/installation manual.

*For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.

†For wood-burning appliances: Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used, and installation.