Electric insert ยท EFIRETRIC

EFIRETRIC EF447 23-Inch Electric Fireplace Insert

23-inch electric insert, 1,500 W

Heats up to (maker)
400 sq ft
Wattage
1,500 W
Voltage
120v
Material
Metal
Dimensions (seller)
5.17"D x 28.34"W x 20"H
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In short

Pick it for converting an unused fireplace.

Wins
5,118 BTU/h of heat.
Gives ground
Supplemental heat only.
Suits
Converting an unused fireplace.

Updated October 2026

What you get

The EFIRETRIC EF447 23-Inch Electric Fireplace Insert is an electric insert with a 1,500-watt heater, which works out to about 5,118 BTU per hour (3.412 BTU per watt).

Its 1,500 watts means 12.5 amps on a household outlet and 1.5 kWh for each hour on high. The fuel cost calculator turns that into your hourly cost.

The maker says it heats up to 400 square feet; as with any 120-volt heater, read that as supplemental heat for one room.

Like most electric fireplaces the flame effect can run with the heater off, using far less power.

As an insert it slides into an existing fireplace opening; measure the opening width, height and depth against the body dimensions, and the face against the trim. How to measure.

No combustion means no venting, no gas line and no carbon monoxide, which is why they go into bedrooms and apartments.

Also on the listing: overall dimensions of 5.17 in (D) x 28.34 in (W) x 20 in (H) and metal construction.

The figures, from the maker

Each figure is the maker's or the listing's own, with its source marked. A figure the maker doesn't give is shown as not stated.

Model numberEF447Retailer
PowerCorded ElectricRetailer
Dimensions (seller)5.17"D x 28.34"W x 20"HRetailer
MaterialMetalRetailer
Mounting / installationInsertRetailer
Features (seller)TimerRetailer
Batteries2 AAA batteries required. (included)Retailer
Model nameAdamRetailer
Heats up to (maker)400 sq ftRetailer
Wattage1,500 WRetailer
Voltage120vRetailer

Is it the right heater for the room?

Pick it when

  • Converting an unused fireplace
  • Rooms where gas or wood can't go

Pass on it when

  • Heating a whole house
  • Circuits already near their limit

Where it wins, where it gives ground

Wins

  • 5,118 BTU/h of heat
  • No vent or chimney
  • Flame runs without heat

Gives ground

  • Supplemental heat only
  • Draws 12.5 A on high

Know before you install

  • Figures are the maker's own and are rated in the maker's conditions. Installation, venting, chimney, gas and electrical work follow the manual and local code, carried out by a qualified installer.

Heaters to weigh against it

Other electric fireplaces and stoves in the same heat range

Every electric fireplaces and stoves on one chart

Buying this model

The button opens this exact model's listing. Prices and stock change, and installation parts are usually sold separately; check the box contents and the manual's venting list before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions about this model

How much heat does the EFIRETRIC EF447 23-Inch Electric Fireplace Insert give?
About 5,118 BTU per hour on its 1,500-watt setting, since each watt gives 3.412 BTU per hour.
Can the EFIRETRIC EF447 23-Inch Electric Fireplace Insert share a circuit?
It draws about 12.5 amps at 120 volts on high, most of a 15-amp circuit; the manual says how to connect it.

Bottom line

Pick it for converting an unused fireplace.