10 Best Electric Fireplace Insert For Existing Fireplace 2025 in the United States

The PuraFlame Western 33" Electric Fireplace Insert is designed to fit an existing fireplace space with overall dimensions of 44.1" wide, 31.5" high, and 8.8" deep. It offers a realistic flame effect with three settings for intensity and brightness, and its resin log and ember bed mimic the look of a wood-burning fireplace. The insert also includes a remote control for convenience and an adjustable thermostat, allowing it to provide supplemental heat for rooms up to 400 sq. ft. However, it is not intended as a primary heat source.

Installation is straightforward as the unit can be placed directly on the floor and plugged into a standard 120V outlet, but it cannot be hard-wired, which might limit placement options for some users. The unit is energy-efficient, utilizing LED technology for flame effects, and comes with safety features like a cool-touch surface and overheat protection.

Some potential downsides include its inability to serve as a main heat source and the fact that it comes in two packages, which may arrive on different days. Additionally, while customer service is noted as responsive, the one-year warranty might seem limited compared to other products in the market.

The PuraFlame Klaus 33” Electric Fireplace Insert is designed to fit into existing fireplaces, offering a realistic fire experience with minimal maintenance. It measures 44.1 inches wide, 31.5 inches high, and 10 inches deep. This fireplace insert stands out with its realistic flame effect and resin logs, creating a cozy atmosphere with three flame settings that can be adjusted for intensity and brightness.

Users can enjoy the ambiance of a fire all year round thanks to the energy-saving LED technology that works with or without the heat function. The heating capacity is suitable for rooms up to 400 sq. ft., making it a good supplemental heat source but not sufficient as the main heating system for larger areas. Installation is straightforward as it can simply sit on the floor and plug into a standard 120V outlet, though it cannot be hardwired.

Safety features include a glass door and mesh screen, along with an adjustable thermostat for user convenience. It also comes with a remote control, adding to its ease of use. However, the fireplace insert arrives in two packages, which might be delivered on separate days. This product combines traditional style with modern convenience, offering a hassle-free and visually appealing option for enhancing any living room.

The LegendFlame 23" Free Standing Electric Fireplace Log Set (EF290) is a versatile option for those looking to enhance their existing fireplaces or cabinets. Its compact dimensions (23" W x 20" H x 10" D) allow for easy placement in various spaces, making it suitable for both small and larger openings. One of the standout features is its realistic flame effect, which creates a cozy atmosphere with the appearance of authentic resin logs and an ember bed. Users can enjoy this visual charm year-round, as the flame can operate independently of the heating function thanks to energy-efficient LED technology.

Heating capacity is adequate for a room up to 400 square feet, providing warmth without the hassle of smoke, ash, or local wood burning regulations. However, it’s important to note that this unit is not designed as a primary heat source, which might limit its utility in very cold climates.

Installation is a breeze; simply placing it into the opening is all that's required. Additionally, the product includes a remote control, adding convenience for users wanting to adjust settings from a distance. The safety features include CSA certification, which assures a basic level of safety and reliability. On the downside, while the fireplace insert is efficient, it requires a standard 120V outlet, so you will need to ensure your space can accommodate it. Also, the output of 5000 BTUs might not be sufficient for larger spaces or extremely cold environments, which is something to keep in mind when considering your heating needs. Lastly, the one-year limited warranty provides some peace of mind, but customers should be aware of potential limitations in support after that period.

This electric fireplace insert is particularly well-suited for those looking for a decorative and supplementary heating solution, especially in smaller rooms or as an aesthetic addition to existing fireplace setups.