Heat & Glo Cosmo 42 Gas Fireplace

Starting at $3,088

Clean lines and elegant ambiance never go out of style. A linear design and long ribbon flame form a broad and warming firescape. Two sizes and several finishing options create a fundamentally modern look for any space.

  • 17,500 – 26,000 BTUs
  • 42-inch viewing area (32-inch viewing area also available)
  • Multiple front and interior finishing choices
  • Reflective black glass liner option

Heat & Glo Cosmo Overview

Current Offer

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Key Features and Technologies

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.

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.

Is This Product Right For You?

Room Size





BTU/Hr Input

21,870 to


Estimated Hourly Operating Cost



Recommended Maintenance






Model Comparison

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


Two elegant front designs to choose from in truly contemporary style


Accent the firebox with contemporary media.

Optional Log Set

Log set comes complete with a new burner.

Interior Panels

Complement your flame with the optional Fade-Resistant Reflective Black Glass that displays exceptional angles of the contemporary ribbon of flame.

Power Venting Technology

Power Venting Technology makes it possible to install a gas fireplace virtually anywhere.

Termination Caps

As the finishing touch, termination cap options are both functional and beautifully designed.

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: 48
Framing Front Width: 50
Unit Back Width: 37-3/4
Framing Back Width: 50
Unit Height: 41
Framing Height: 40-1/4
Unit Depth: 18-1/4
Framing Depth: 18-1/4
Glass Size: 39-1/16 x 13-1/4
BTU/Hour Input: 26,000

Efficiency Chart


Steady State: 72.7%
AFUE: 55.5%
Canada EnerGuide: 57.0%

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.

Product Brochures

Installation Manuals

Service Parts

Architect Guides

CAD Drawings

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