10 Best Electric Fireplace Inserts 2025 in the United States

The Dimplex Revillusion 42 Inch Built-in Electric Firebox is a solid choice for those wanting a realistic-looking electric fireplace insert that fits into a built-in setup. Its 42-inch size is fairly standard, making it suitable for medium to larger living rooms. The standout feature is the Revillusion flame technology, which creates flames that look much more natural compared to typical electric fireplaces, especially combined with the handcrafted faux logs and the weathered concrete interior for added realism.

Heating-wise, this firebox can warm up to 1,000 square feet, which covers an average-sized room efficiently. It uses a ceramic heater that provides about 5,118 BTUs—enough to supplement your main heating system comfortably. The heater can also be turned off if you want just the flame ambiance without heat. Installation is straightforward since it doesn’t need venting, gas lines, or complex tools. The included 120V plug kit means you can plug it into a standard outlet right away or hardwire it for a cleaner look. This flexibility helps with various installation preferences. It’s designed for built-in placement, either centered or in a corner.

The firebox is relatively heavy at over 110 pounds, so installation may require some help. While the flame effect is impressive, it may be less bright in very sunny rooms. The price reflects its advanced flame technology and realistic design. This Dimplex Revillusion firebox suits anyone wanting a visually appealing, built-in electric fireplace with good heating power and flexible installation options. It combines style and function nicely but may require a bit of effort to install due to its weight.

The PuraFlame Western 33" Electric Fireplace Insert is a good choice if you're looking to add a cozy fireplace feel without the mess of real wood. Its size is fairly large (about 44" wide and 31.5" high), so make sure you have the space for it. It offers a heating capacity that covers up to 400 square feet, making it suitable as a supplemental heater for smaller living rooms, but it shouldn't be your main heat source. The flame effect is quite realistic, featuring life-like resin logs and adjustable brightness with three flame settings, plus a pleasant crackling sound for added ambiance. Installation is straightforward since it’s freestanding—you just place it on the floor and plug it in, no complicated wiring needed. It uses energy-efficient LED technology, which helps keep electricity use low.

Safety-wise, it’s vent-free and comes with an adjustable thermostat, but it’s important to keep an eye on room size and ventilation needs. The remote control adds convenience for adjusting heat and flames without getting up. One downside is that it comes in two packages which might arrive separately, and the warranty is limited to one year. For those seeking a traditional, easy-to-use electric insert with decent heat and good looks, this model fits well—especially for smaller rooms or as a decorative heat source.

The Dimplex Revillusion 30 Inch Built-in Electric Firebox offers a realistic fireplace look without the need for venting or gas lines. Its 30-inch size is designed to fit nicely into built-in setups, featuring a glass front with a detailed herringbone brick interior and handcrafted faux logs. The Revillusion flame technology creates natural, dancing flames that add a cozy atmosphere to any room.

For heating, the ceramic heater can warm spaces up to about 1,000 square feet, suitable for most bedrooms or living rooms. The heater can be turned off to enjoy just the visual flame effect, helping to save energy when extra warmth is not necessary. Installation is flexible, allowing use with a standard outlet via the included 120V plug kit or hardwiring for a cleaner appearance. No special tools or venting are required, making installation easier for many homeowners.

Weighing approximately 85 pounds, the firebox is sturdy and may require two people for installation. It includes a multi-function remote for convenient control. The vent-free design and efficient electricity use make it a safe and sound-free option for indoor ambiance without real flames or smoke. This unit balances visual appeal, effective heating, and straightforward installation, although it does not offer smart features or advanced energy-saving modes.