10 Best Infrared Fireplace Insert Heater 2026 in the United States

The Dimplex Revillusion 36" Built-in Firebox is a stylish and functional option for those looking to add both warmth and ambiance to their living space. It offers a heating capacity of up to around 4400 BTU, suitable for heating small to medium rooms efficiently. The unit’s size—just over 37 inches wide and about 12 inches deep—makes it a good fit for built-in installation in a variety of room layouts, whether centered or in a corner. One of its standout features is the Mirage Flame Panel, which creates a very realistic flame effect thanks to partially frosted acrylic that avoids unwanted reflections, enhancing the cozy atmosphere without the glare typical of many electric fireplaces.

The PuraFlame Klaus 23” Electric Fireplace Insert is a versatile and stylish option for adding warmth and ambiance to your home. Its realistic design features a life-like resin log, three-sided interior brick wall, glass door, and mesh screen, creating the look of a traditional wood-burning fireplace without the maintenance hassle. The adjustable thermostat offers two heating settings (750W and 1500W), providing supplemental heat for rooms up to 400 square feet, though it isn’t suitable as a primary heat source. The unit includes a remote control for easy operation and boasts three flame settings with adjustable intensity and brightness, which can be used year-round thanks to energy-saving LED technology.

The PuraFlame Klaus 33” Electric Fireplace Insert offers a cozy and visually appealing heating solution for rooms up to 400 square feet. Its heating power ranges between 750 and 1500 watts, making it ideal as a supplemental heat source rather than the main heat provider. The unit has a traditional look with realistic resin logs, a brick-patterned interior, glass doors, and a mesh screen that add charm without the mess of burning wood.