Cosmo Indoor Gas Fireplace Insert

Cosmo Gas Fireplace Insert
Heat & Glo Cosmo 30Ó modern gas fireplace insert with crushed glass media and fluted black glass interior.

Give your fireplace a makeover

Starting at  $4,462

Product only. Pricing exclusions apply. Contact a dealer for more information.

Match your modern design style with the Cosmo gas insert. It fits directly inside your outdated, wood-burning firebox, turning an unusable fireplace into an efficient, easy-to-use gas fire. No more hassle, only pure fireplace enjoyment. Available in 30 and 35-inch widths. 

Features

Direct Vent Technology

Removes any fumes or combustion exhaust efficiently and effectively from your home.

Black fluted glass

Adds depth, dimension and the ultimate flame presentation that is a cut above contemporary.

Options

Select model to view product options and specs.
Cosmo Insert 30
Cosmo Insert 35
Controls, Remotes and Switches

Experience easy, convenient control to fit your lifestyle. See your dealer for details.

RC400 remote
Remote Touchscreen
RC150 wall switch
Wall Switch
WSK 21  Control
Wall Switch Kit with battery backup
Google Home and iPhone combo IntelliFire App Multi-brand
Wi-Fi Module for IntelliFire App
Decorative Interior panels

Make your fireplace your own by personalizing the interior of your firebox from the many choices available. Options may vary by model. See your dealer for details.

Cosmo 30 fluted glass
Fluted Black Glass
fade resistant reflective black glass interior panels COSMO
Reflective Black Glass
Fire bed material

The interior look helps make your fireplace your own. With natural substrates that complement the fire, you can express your style in unique and captivating ways.

Amber
clear bead swatch
Clear
Cobalt Blue
driftwood logs
Driftwood
Black glass interior option
Ebony
Iced Fog
Scarlet
River rock stones
Stone Natural
Fronts and Doors

Add a finishing touch to enhance your fireplace and distinguish your home. Browse fireplace fronts that frame your opening and glass or mesh doors in colors to complement your décor. Colors on screen can vary. Connect with your local dealer online or in person to see actual samples.

HNG Gas Insert Fronts w/o fire
Firescreen
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Heat & Glo Supreme fireplace insert
Halston Arch
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Firescreen front
Inside Fit
Finish color black
Black
Heat & Glo Supreme fireplace insert
Iron Age
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Insert Surrounds

Hide any gap between your gas fireplace insert and the existing fireplace opening with a low-profile surround composed of steel or cast iron.

Finish color black
Small 30" surround 40" x 27" - Black
Gun Metal_swatch
Small 30" surround 40" x 27" - Gun Metal
New Bronze front swatch
Small 30" surround 40" x 27" - New Bronze
Finish color black
Medium 30" surround 42" x 30" - Black
Gun Metal_swatch
Medium 30" surround 42" x 30" - Gun Metal
New Bronze front swatch
Medium 30" surround 42" x 30" - New Bronze
Finish color black
Medium 30" surround 42" x 30" x 2" deep - Black
Finish color black
Large 30" surround 44" x 32" - Black
Gun Metal_swatch
Large 30" surround 44" x 32" - Gun Metal
New Bronze front swatch
Large 30" surround 44" x 32" - New Bronze
Mantel Shelves

Customize your fireplace with mantel shelving. Our exclusively designed shelving adds a distinctive touch to any fireplace in lengths and designs to accent any room.

Fillmore Mantel Shelf
Fillmore 48"
Fillmore Mantel Shelf
Fillmore 59"
Fillmore Mantel Shelf
Fillmore 72"
Ozark mantel shelf
Ozark 48"
Ozark mantel shelf
Ozark 59"
Ozark mantel shelf
Ozark 72"

Options

Select model to view product options and specs.
Cosmo Insert 30
Cosmo Insert 35
Controls, Remotes and Switches

Experience easy, convenient control to fit your lifestyle. See your dealer for details.

RC400 remote
Remote Touchscreen
RC150 wall switch
Wall Switch
WSK 21  Control
Wall Switch Kit with battery backup
Google Home and iPhone combo IntelliFire App Multi-brand
Wi-Fi Module for IntelliFire App
Decorative Interior panels

Make your fireplace your own by personalizing the interior of your firebox from the many choices available. Options may vary by model. See your dealer for details.

Cosmo 30 fluted glass
Fluted Black Glass
fade resistant reflective black glass interior panels COSMO
Reflective Black Glass
Fire bed material

The interior look helps make your fireplace your own. With natural substrates that complement the fire, you can express your style in unique and captivating ways.

Amber
clear bead swatch
Clear
Cobalt Blue
driftwood logs
Driftwood
Black glass interior option
Ebony
Iced Fog
Scarlet
River rock stones
Stone Natural
Fronts and Doors

Add a finishing touch to enhance your fireplace and distinguish your home. Browse fireplace fronts that frame your opening and glass or mesh doors in colors to complement your décor. Colors on screen can vary. Connect with your local dealer online or in person to see actual samples.

HNG Gas Insert Fronts w/o fire
Firescreen
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Heat & Glo Supreme fireplace insert
Halston Arch
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Firescreen front
Inside Fit
Finish color black
Black
Heat & Glo Supreme fireplace insert
Iron Age
Finish color black
Black
Gun Metal_swatch
Gun Metal
New Bronze front swatch
New Bronze
Insert Surrounds

Hide any gap between your gas fireplace insert and the existing fireplace opening with a low-profile surround composed of steel or cast iron.

Finish color black
Small 35" surround 42" x 29" - Black
Gun Metal_swatch
Small 35" surround 42" x 29" - Gun Metal
New Bronze front swatch
Small 35" surround 42" x 29" - New Bronze
Finish color black
Medium 35" surround 44" x 32" - Black
Gun Metal_swatch
Medium 35" surround 44" x 32" - Gun Metal
New Bronze front swatch
Medium 35" surround 44" x 32" - New Bronze
Finish color black
Medium 35" surround 44" x 32" x 2" deep - Black
Finish color black
Large 35" surround 48" x 32" - Black
Gun Metal_swatch
Large 35" surround 48" x 32" - Gun Metal
New Bronze front swatch
Large 35" surround 48" x 32" - New Bronze
Mantel Shelves

Customize your fireplace with mantel shelving. Our exclusively designed shelving adds a distinctive touch to any fireplace in lengths and designs to accent any room.

Fillmore Mantel Shelf
Fillmore 48"
Fillmore Mantel Shelf
Fillmore 59"
Fillmore Mantel Shelf
Fillmore 72"
Non-com cement Mantel price point image
Non-Combustible Cove Gray 60"
Non-com cement Mantel price point image
Non-Combustible Midnight Mist 60"
Non-com cement Mantel price point image
Non-Combustible Tavern Brown 60"
Non-com cement Mantel price point image
Non-Combustible Washed Cedar 60"
Non-com cement Mantel price point image
Non-Combustible Weathered Barnwood 60"
Non-com cement Mantel price point image
Non-Combustible White 60"
Ozark mantel shelf
Ozark 48"
Ozark mantel shelf
Ozark 59"
Ozark mantel shelf
Ozark 72"

Specs & Downloads*

Specs
Downloads
Cosmo Insert 30
Cosmo Insert 35
Model Cosmo Insert 30
Minimum Opening Front Width 31-5/8"
Minimum Opening Back Width 20-1/8"
Minimum Opening Depth 15"
Minimum Opening Height 21"
BTU/hr Input 28,000
Viewing Area 27-1/2" x 15-15/16"
Model Cosmo Insert 35
Minimum Opening Front Width 36-5/8"
Minimum Opening Back Width 25-1/8"
Minimum Opening Depth 15"
Minimum Opening Height 24-1/4"
BTU/hr Input 30,000
Viewing Area 32-1/2" x 19-3/8"

Looking for tech resources? Find architectural guides, 3D drawings, installation instructions and more in our pro tools center.

Where to Buy

Connect with a Heat & Glo dealer near you to see the products firsthand or ask about specific pricing and details.

Need Help Getting Started?

Whether you're updating your current fireplace or adding one to your home, our authorized dealers can show you a range of options that fit your style and budget.

Request Consultation
*

Please refer to the owner’s/installation manual for complete requirements, specifications, testing and listing information. The heat output as well as the appearance of your unit in your specific application—including the flame, embers and overall product appearance—may vary for a variety of reasons from the data and images presented. Product specifications and pricing are subject to change without notice, and installation must adhere strictly to instructions shipped with product. Hearth & Home Technologies reserves the right to update units periodically. If you need help in determining the product that best suits your needs, please see your local authorized dealer.