Heatilator See-Through Gas Fireplace

Starting at $3,167

Link two separate spaces and enjoy double the ambiance with these attractive options. Advanced technology helps bold flames shine. And, the Heatilator name means these fireplaces will perform season after season, year after year.

  • 31" or 36" viewing area
  • See-through viewing area brings two rooms together; design each side differently
  • Compact option ideal for smaller spaces
  • Match your décor with multiple fronts and finishes

Current Offer

Sign up to Save $100

Sign up to get your personalized coupon for $100 off a fireplace, stove or insert. Offer expires 7/28/2016.

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

14,700 to


Estimated Hourly Operating Cost



Recommended Maintenance






Model Comparison

Reset (View All Models)


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


A variety of available front and operable door options offer a tailored appearance to any hearth. A wide range of color options will complement any home décor. Note: not all fronts available for all sizes. Please see brochure for more details.


An impressive selection of designs are available in a variety of material.

Stone Surrounds

Select from a variety of granite, marble and slate surrounds to further enhance your fireplace and ensure safety clearances are met.

Beige Marble Beige Marble
Marron Brown Marble Marron Brown Marble
Absolute Black Granite Absolute Black Granite
Green Granite Green Granite
Caledonia Granite Caledonia Granite
New Venetian Granite New Venetian Granite
Tan Brown Granite Tan Brown Granite
Slate Slate
Wheatfield Granite Wheatfield Granite

Cast Mantels

Personalize your fireplace with a cast mantel by Fireside Furnishings. Our cast fireplace mantels range from classic to modern designs.


The shelf mantel is available in 48”, 59” or 72” lengths and with designs that accent any room.

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: 42-1/2
Framing Front Width: 43
Unit Height: 38
Framing Height: 38-1/2
Unit Depth: 24
Framing Depth: 23
Glass Size: 36 x 24-1/2
BTU/Hour Input: 37,000


Unit Front Width: 37-5/8
Framing Front Width: 38-1/8
Unit Height: 34-1/2
Framing Height: 34-3/4
Unit Depth: 16
Framing Depth: 15
Glass Size: 31 x 21
BTU/Hour Input: 21,000


Unit Front Width: 42-1/2
Framing Front Width: 43
Unit Height: 38
Framing Height: 38-3/4
Unit Depth: 24
Framing Depth: 23
Glass Size: 36 x 24-1/2
BTU/Hour Input: 37,000

Efficiency Chart


Efficiency GDST3831 GDST4336
Steady State: 74% 72%
AFUE: 47% 53%
Canada EnerGuide: 51% 59%

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 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.