Quadrafire Mt. Vernon AE Pellet Insert

The Mt. Vernon Pellet Insert delivers more heat than any other cast iron pellet insert available. This eco-friendly insert is loaded with technology that’s good for your pocketbook, and great for Mother Nature.

  • 53,300 BTUs — heats 1,300 to 2,900 square feet, based on climate and home efficiency
  • EPA certified, with low emission levels of 1.7 grams per hour
  • 52lb hopper capacity
  • 7-day programmable thermostat for precision control
  • Quietest-operating pellet insert on the market – 41 decibels at a distance of 6 feet


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

Mt. Vernon AE Insert

Appliance Width: 32″
Appliance Height: 29-3/4″
Front Width Minimum Firebox Opening: 32-1/4″
Height Minimum Firebox Opening: 24-1/8″
Depth Minimum Firebox Opening: 15-3/8″
Back Width Minimum Firebox Opening: 24-1/8″
Extension Onto Hearth: 13-1/8″
BTU/hr Input1: 16,800 – 53,300
Heating Capacity2: 1,300 – 2,900 sq ft
Hopper Capacity3: 52 lbs
Viewing Area: 294 sq in
Efficiency4: 76.9%
Emissions: 1.7 grams/hour

1 BTU/hr Input based on maximum feed rate per hour multiplied by approximately 8600 BTU, which is average BTU from a pound of pellets.

2 This is a general guide, see your local dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.

3 Fuel density and pellet shape will affect hopper capacity.

4 Weighted Average LHV (Low Heating Value) efficiency.

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.

Specification Images