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

The R.W.FLAME 36 inch electric fireplace is a sleek and modern option designed for wall mounting, fitting well within standard wall studs (2x4 or 2x6). Its ultra-thin depth of just under 4 inches makes it less bulky than older models, which is great if you want a flush, minimal look. The flame effect is highly customizable, offering 12 different colors and flame bed styles along with adjustable brightness and speed, controlled either by a remote or a touch screen. This gives you plenty of options to create a cozy, realistic ambiance without needing actual heat.

It has heating capability (up to 1500 watts) suitable for around 400 square feet, but it also functions well without heat, adding versatility. Safety features like ETL certification and auto-shutoff if it gets too hot provide peace of mind. The design includes a sleek black painted metal finish that fits modern interiors nicely. One minor drawback is that installation requires a proper wall opening between 31 and 35 inches wide, so some wall modification might be needed. While the flame effects are impressive for the price, they don’t perfectly mimic real flames, which could matter if you’re after maximum realism. The noise level is low, which is a plus for quiet environments.

This model is ideal for anyone looking for a stylish, energy-efficient fireplace insert to visually enhance a living room or common area without relying on heat. It’s especially useful if you want remote operation and customizable lighting effects. For those needing the fireplace mainly for heating large spaces or seeking ultra-realistic flame effects, other options might be more suitable.

The Dimplex Revillusion 36 Inch Built-in Electric Firebox is designed to bring the cozy look of a real fire to your indoor space without the hassle of venting or gas lines. Its standout feature is the Revillusion flame technology that creates realistic flames dancing around handcrafted faux logs, set against a natural concrete background for added authenticity. Measuring about 37 inches wide and 26.6 inches tall, it fits well for built-in installation, either centered or in a corner, and comes with a front glass panel that enhances the visual appeal.

Installation is straightforward and flexible—you can either plug it into a regular outlet using the included 120V plug kit or hardwire it for a cleaner look. Controls are convenient with a multi-function remote, so you can adjust the flames or heat without leaving your seat. The model offers a ceramic heater capable of warming up to 1,000 square feet, and since the heater can be turned off, it suits both people wanting ambiance only or some warmth.

The unit is solid and fairly heavy at about 94 pounds, made with durable metal and finished in a painted concrete style that looks modern and industrial. It’s vent-free, so it’s safe and easy to maintain indoors. The overall depth is under 5 inches, which helps save space but might limit how much the insert stands out from the wall. This built-in model is ideal for adding the charm of fire without real flames or complicated installation.

The Touchstone Sideline Indoor/Outdoor Decorative Electric Fireplace is a stylish addition for those looking to enhance their outdoor or indoor spaces without the need for heat. With a generous width of 50 inches, it's designed to make a statement on your patio or porch, making it ideal for those who want to create a cozy ambiance in larger areas. The realistic flame effect, featuring three color settings and five flame levels, offers versatility with a total of 15 potential flame appearances, adding a visually appealing element to your gatherings.

This fireplace is equipped for outdoor use with a GFI plug, ensuring safety around water. Its water-resistant design allows you to mount it on various surfaces, including siding and brick, making it adaptable to different outdoor settings.

In terms of design, the modern, slim profile and black finish make it a visually pleasing option that fits well with contemporary aesthetics. It's suitable for various room types, including kitchens and living rooms, but its primary appeal is for outdoor environments.