Heatilator NDI Gas Insert

Starting at $2,207

These direct vent and energy-efficient gas inserts offer comfort, convenience and fantastic heating value. Expect big, beautiful flames, full remote control and impressive heat production.

  • 30" or 35" viewing area
  • Bold flames rise through hand-detailed log set
  • Match your décor with multiple fronts, finishes and optional panel upgrades

Current Offer

Sign up to Save $100

Sign up to get your personalized coupon for $100 off a fireplace, stove or insert. Offer expires 2/11/2018.

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.

Fireplace Safety

Fireplace Safety

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

Limited Lifetime Warranty

Limited Lifetime Warranty

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

Is This Product Right For You?

Room Size: (Learn More)





BTU/Hr Input: (Learn More)

25,000 to


Estimated Hourly Operating Cost: (Learn More)



Recommended Maintenance: (Learn More)






Model Comparison

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Fronts + Doors

Complete your insert with a stylish front, avaiable in two finishes.

You will need to select a matching surround to fill the gap between the insert and the fireplace opening.


An optional steel refractory kit is available to change the look of the firebox.


A surround, available in various sizes, is required to fill the gap between the insert and fireplace opening. See your dealer for more details.

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.


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


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

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 (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: 32,000


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: 35,000

Efficiency Chart


Steady State: 84.1% NG
AFUE: 73.2% NG
Canada EnerGuide: 72.7% NG


Steady State: 78.5% NG
AFUE: 73.5% NG
Canada EnerGuide: 72.2% 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.