10 Best Electric Insert For Fireplace 2025 in the United States

The Dimplex IgniteXL 74" Built-in Linear Electric Fireplace is a stylish modern option designed to fit into a wall space, measuring roughly 74 inches wide and about 6 inches deep, making it suitable for medium to large rooms. It provides a decent heating capacity of about 5,118 BTUs, which should comfortably warm spaces up to 1,000 square feet, so it’s a good choice if you want supplemental heat rather than a primary heat source. One of its standout features is the Multi-Fire XD technology, which creates very realistic and vibrant flame effects with adjustable colors, enhancing the ambiance year-round even without heat.

Installation requires hard-wiring at either 120V or 240V, with 240V recommended for better heat output. It’s designed as a built-in unit, so some wall modification is needed, which might not be ideal if you want a quick setup. A remote control allows easy adjustment of flame settings and temperature, adding convenience. Energy-wise, it draws up to 2,500 watts at full power, so it’s not the most energy-saving option but typical for this size of electric fireplace.

Safety features include vent-free operation and a reputable design from Dimplex, which generally ensures reliable performance. On the downside, at 103 pounds, it’s quite heavy, and the mounting hardware isn’t included, so professional installation is recommended. Some users may find it less powerful compared to traditional fireplaces, but it avoids the mess and hassle of venting and fuel. This fireplace suits those wanting a large, visually impressive built-in electric model that adds heat and atmosphere to bigger living spaces, provided they’re prepared for a more involved installation and power requirements.

The PuraFlame Klaus 33” Electric Fireplace Insert offers a realistic and charming addition to your living room with its antique design, complete with a resin log, brick wall interior, glass door, and mesh screen. The dimensions (44.1” Wide x 31.5” High x 10” Deep) make it substantial in size, providing a good visual presence. The heating capacity, suitable for rooms up to 400 sq. ft., is efficient for supplemental warmth but should not be relied upon as the primary heat source. The flame effect, with three settings for intensity and brightness, can be used with or without heat, adding year-round ambiance.

Installation is straightforward with a flat bottom for direct floor placement and requires no venting, making it hassle-free. The remote control and adjustable thermostat offer convenient operation, while the LED technology ensures energy efficiency. Safety features include a glass door and mesh screen to prevent accidental contact with the heating elements. However, it's limited to a 120V plug-in, which means it cannot be hard-wired, potentially limiting placement options.

The product has a strong customer rating of 4.7 stars and comes with a one-year warranty and responsive customer service, which adds reassurance. It is delivered in two packages, which might arrive on different days, potentially causing some initial inconvenience. This electric fireplace insert is ideal for those seeking aesthetic charm and supplemental heating with the convenience of modern electric operation.

The Dimplex Revillusion 42 Inch Built-in Electric Firebox is a solid choice if you're looking for an electric insert that combines realistic visuals with effective supplemental heating. Its standout feature is the Revillusion flame technology, which creates flames that closely mimic a natural fire, enhanced by handcrafted faux logs and a herringbone brick interior that adds to the cozy, authentic look. The unit covers heating for up to 1,000 square feet, suitable for medium-sized living rooms, and you can turn the heater off if you just want the ambiance without heat.

Installation is relatively simple since it requires no venting, gas lines, or complicated setup—just plug it into a standard outlet or hardwire it for a cleaner appearance. The included multi-function remote adds convenience for controlling flames and heat from across the room. At just over 43 inches wide, it fits well in built-in spaces, but its depth of about 12 inches means you’ll need enough room behind your wall or cabinet.

With a weight of over 110 pounds, installation might require more than one person and some effort in handling. While the flame effect is impressive, purists looking for fully lifelike fire might notice it’s still a simulation. This electric insert suits those wanting easy installation, good heating coverage, and a very realistic flame effect without the hassle of venting or fuel, making it a practical and attractive addition to many homes.