10 Best Electric Fireplace Insert No Heat 2025 in the United States

The Dimplex Revillusion 36 Inch Built-in Electric Firebox stands out for its realistic flame effect, thanks to the Revillusion technology that creates lifelike flames dancing around handcrafted faux logs. The herringbone brick background with natural soot markings enhances the authentic fireplace appearance, making it a great decorative centerpiece for living rooms or bedrooms. At 37.25 inches wide and 31 inches tall, its size fits well for built-in installations where you want a substantial fireplace look without the hassle of vents or gas lines.

Installation is straightforward, either plugging into a standard 120V outlet with the included plug kit or choosing to hardwire it for a cleaner setup. The firebox includes a ceramic heater capable of warming up to 1,000 square feet, but this heater can be turned off if you prefer just the flame effect without heat. Controls are user-friendly and come with a multi-function remote, allowing easy adjustment. The painted metal finish and glass front provide a clean, modern look while being durable.

Weighing about 105 pounds, it’s relatively heavy, so planning installation support is wise. One drawback is that it requires built-in installation, so it’s less flexible if you want a freestanding option. Also, while the flame effect is impressive, users looking for a very compact or highly portable solution might find this model bulky. If you want a fireplace insert that excels in visual realism with optional heating and a stylish brick design, this model is a solid choice, though it leans toward a more permanent setup.

The Dimplex Revillusion 42 Inch Built-in Electric Firebox offers a visually appealing option for those looking to add ambiance to their living space without the need for actual heating. The size and dimensions (12.13"D x 43.25"W x 26.63"H) make it a substantial addition to any room. Its standout feature is the revillusion flame technology, which creates a very realistic flame effect. The herringbone brick interior with natural soot markings enhances its authentic look and feel, supported by the realistic faux log set molded from real wood.

The front glass panel further adds to the visual appeal, making the flames look like they are dancing around the logs naturally. Installation is flexible, with the included 120V plug kit allowing for either a plug-in or hardwired setup, which can help achieve a cleaner look depending on user preference. The control options include a multi-function remote, making it convenient to operate. The design and finish, featuring a painted metal build and a brick interior, add a touch of elegance and sophistication to the room.

Additional features such as the corded special feature and vent-free ventilation type make installation and use straightforward. At 112.7 pounds, it is quite heavy, which may require assistance during installation. Also, while it can provide heating for up to 1,000 square feet, the heater can be deactivated, which is ideal since the category focus is on no-heat electric fireplace inserts. Its weight and popularity might be points to consider.

The Dimplex Revillusion 30 Inch Built-in Electric Firebox stands out for its highly realistic flame effect thanks to the Revillusion technology, which simulates natural dancing flames around handcrafted faux logs with a herringbone brick background. Its dimensions (about 31 inches wide and 12 inches deep) suit built-in installations in living rooms or bedrooms, and the included plug kit offers flexible setup options—either plug into a standard outlet or hardwire for a seamless look.

Featuring a ceramic heater that can warm spaces up to 1,000 square feet, you can also turn off the heat and enjoy just the flame effect, making it versatile for year-round ambiance. The metal construction with a painted finish gives it a sturdy yet attractive appearance. Installation is straightforward with no venting or special tools needed, which is a plus if you want a clean, built-in look without remodeling. Controls include a remote for easy adjustments.

The unit weighs nearly 85 pounds, so it requires careful handling during installation. While the heating power might be modest for larger rooms, this is less of a concern if you mainly want the visual flame effect. This firebox is well suited for anyone looking for a stylish, realistic electric fireplace insert that offers beautiful flames with or without heat, and fits well in built-in setups without complicated installation.