COSMO Gas Insert
      What is MSRP?
      Starting at $2,746

      Heat & Glo Fireplace Insert Overview

        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

        Key Features and Technologies

        Learn more about key product features and technologies.

        • Direct Vent Technology
        • IntelliFire™ Ignition System
        • Limited Lifetime Warranty
        • Fireplace Safety

        Is This Product Right For You:

        Room Size: (Learn More)
        BTU/Hour Input: (Learn More)
        Estimated Hourly Operating Cost: (Learn More)
        Recommended Maintenance: (Learn More)

        Current Offers

        • Save up to $400 – Winter Warm Up Event
          Sign up to get your personal online only coupon today for up to $400 off a fireplace, stove or insert. Certain products also qualify for a $300 federal tax credit. Online coupon expires 3/10/2016. Federal tax credit offer expires 12/31/2016.

        COSMO Insert Model Comparison



        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 RC200
        • IntelliFire Plus RC300


        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.

        • Finishes
          Halo Front
        • Finishes
          Folio Front
        • Finishes
          Chateau Front
        • Finishes
          Halston Front
        • Finishes
          Arcadia Front


        Accent the firebox with one of these media options and make your new insert a one-of-a-kind.

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


        A variety of sizes are available to fill the gap between the insert and the fireplace opening. See your dealer for more information.

        • Finishes
          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.

        • Finishes
          Square Termination Caps
        • Finishes
          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)

        Efficiency Chart


        Steady State: 83.3% NG
        AFUE: 76.7% NG
        Canada EnerGuide: 77.2% NG


        Steady State: 83.3% NG
        AFUE: 73.0% NG
        Canada EnerGuide: 72.9% 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 owner's 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.