Heat & Glo COSMO Gas Insert

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

Installing a Fireplace Insert

Current Offer

Sign up to Save $100

Sign up to get your personalized coupon for $100 off a fireplace, stove or insert. Offer expires 12/22/2017.


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.

IntelliFire™ Ignition System

IntelliFire™ Ignition System

IntelliFire features intermittent-pilot Ignition (IPI) allowing you to conserve fuel and money when the fireplace is not in use.

Limited Lifetime Warranty

Limited Lifetime Warranty

Our Limited Lifetime Warranty is the strongest and most comprehensive in the industry.

Fireplace Safety

Fireplace Safety

At Heat & Glo, we are committed to your safety. We lead the industry with advanced safety developments.


Is This Product Right For You?

Room Size

Small

Medium

Large

Small
Medium
Large

BTU/Hr Input

12,150 to
28,000

4,000
120,000

Estimated Hourly Operating Cost

$0.29

$0
$10

Recommended Maintenance

None

Annual

Monthly

Weekly

None
Annual
Monthly
Weekly

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

COSMO-I30

Unit Front Width: 30-5/8
Front Width Min. Firebox Opening (standard surround): 31-1/8
Front Width Min. Firebox Opening (deep surround): 29-1/2
Unit Back Width: 20-3/16
Back Width Min. Firebox Opening: 20-3/4
Unit Height: 20-7/16
Height Min. Firebox Opening (standard surround): 20-3/4
Height Min. Firebox Opening (deep surround): 19-3/8
Unit Depth: 14-5/8
Depth Min. Firebox Opening (standard surround): 14-7/8
Depth Min. Firebox Opening (deep surround): 14
Glass Size: 27-1/2 x 12-3/16
BTU/Hour Input: 23,000 (NG)

COSMO-I35

Unit Front Width: 34-5/8
Front Width Min. Firebox Opening (standard surround): 35-1/8
Front Width Min. Firebox Opening (deep surround): 33-1/2
Unit Back Width: 23-7/16
Back Width Min. Firebox Opening: 24
Unit Height: 24-1/16
Height Min. Firebox Opening (standard surround): 24-3/8
Height Min. Firebox Opening (deep surround): 23
Unit Depth: 15-11/16
Depth Min. Firebox Opening (standard surround): 16
Depth Min. Firebox Opening (deep surround): 15-1/8
Glass Size: 31-5/8 x 15-11/16
BTU/Hour Input: 28,000 (NG)

Efficiency Chart

COSMO-I30

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

COSMO-I35

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 owner's/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.