Reader support keeps this site open, opinionated, and happily independent. As an Amazon Associate, I earn from qualifying purchases.11 Best 3 Sided Electric Fireplace | Panoramic Heat That Fits

Check Price on Amazon

The Sideline Elite 60 is the benchmark for in-wall recessed 3-sided fireplaces. Its 60-inch steel body with a minimal black frame and 5.5-inch depth fits standard wall cavities, and the 6 flame colors paired with 10 independent fuel-bed colors create 60 combinations—far more than most units at this size. The thermostat spans 68-88°F, and the 1500W heater (5,118 BTU) provides consistent supplemental warmth for rooms up to 400 sq ft.

Flame realism stands out here: three speed settings and five intensity levels allow fine-tuning from a subtle ember glow to a roaring fire effect. The unit ships with faux logs, driftwood, and crystals, so you can switch the look without buying accessories. Owners consistently report whisper-quiet fan noise and reliable WiFi connectivity through the app, which also supports scheduling and Alexa voice control.

Installation requires an exact 58 7/16″ x 18″ x 5 1/8″ recessed opening, and the unit can be plugged in or hardwired. The clean, flush fit with a thin flange makes it look like a custom built-in rather than a retrofit. Combine that with memory recall of your last flame setting and the ability to turn it on via a wall light switch, and you get the most flexible, future-proof unit in this roundup.

Check Price on Amazon

With 251 RGB flame colors, a separate ember-bed color set, and an independent downlight, the HIRESC 60-inch delivers the highest color customization in this size bracket. The 3-sided glass gives a panoramic view, and the unit supports fully or semi-recessed installation. Heat output matches the 5,118 BTU standard, with dual 750W/1500W settings and a thermostat adjustable from 62°F to 82°F.

The Smart Life app control is the standout feature—you can mix red, green, and blue channels to dial in any hue, set five brightness levels, and program a 1-to-8-hour timer. Crackling sound is included, which adds to the realism. Owners emphasize how quiet the fan runs and how the cool-to-touch glass makes it safe for households with children or pets.

ETL certification covers overheat protection, and the unit ships with both a log set and crystals, giving you two aesthetic options out of the box. At 117 pounds and 11 inches deep, this is a substantial piece that requires solid wall framing, but the flush-mount result looks completely integrated with the surrounding drywall.

Check Price on Amazon

The 70-inch variant from HIRESC extends the same 251-color RGB engine and Smart Life app control to a wider form factor, making it ideal for covering large wall spans or acting as the visual anchor in an open-concept living area. Its 71-inch overall width and 21-inch height require a substantial framed opening, but the payoff is a flame display that feels cinematic.

Heat specs mirror the 60-inch version—dual 750W/1500W heater, 5,118 BTU, adjustable thermostat, and 400 sq ft coverage—so you aren’t sacrificing warmth for size. The unit includes both log set and crystals, and the three-sided glass allows viewing from nearly 180 degrees. Owners report that the cool-to-touch glass and ETL overheat protection make it suitable for busy family rooms.

Installation favors fully or semi-recessed mounting rather than surface-mounting, given the 11-inch depth. At 131.6 pounds, this is a two-person job. Once in place, the flush trim and lack of visible venting (the heater vents through the top front) create a clean, low-profile look that blends with modern interiors.

Check Price on Amazon

LegendFlame’s 71-inch build-in model stands out because it can be configured as a single-sided, corner (two-sided), or true three-sided fireplace by adjusting the finishing material up to the edge. This flexibility is rare—most 3-sided units lock you into one orientation. The visible flame area measures 70.9″ x 15.7″, and the dual-flame color design combines an orange base with eight secondary hues for layered effects.

The fuel bed includes eight color options for the logs, and the unit ships with remote control plus full Alexa and Google Assistant integration. The 1500W quartz heater delivers 5,100 BTU, and the thermostat holds temperatures from a standard range. CSA certification covers safety, and the unit can be plugged in or hardwired. Owners praise the realistic crackling sound and the ability to choose from log sets, crystals, or pumice stones.

At 105.4 pounds and 10.2 inches deep, it’s lighter than the HIRESC 70-inch but still requires a framed opening. The 1-2-3 sided config makes this a smart choice if you plan to change the layout of a room later, because you can repurpose the fireplace in a corner or on a single wall without buying a new unit.

Check Price on Amazon

Stepping up to 80 inches, this HIRESC model offers the same 251 RGB color engine and dual 1500W heater but scaled for very large wall surfaces or rooms with vaulted ceilings. The 80-inch overall width (plus 21-inch height) creates an imposing focal point under a large TV or above a long media console. Like its 60-inch and 70-inch siblings, it supports full or semi-recessed installation and can be either plugged in or hardwired.

All controls—Smart Life app, remote, touch panel—are identical, so you get the same 5 brightness levels, 1-to-8-hour timer, crackling sound, and thermostat range. The quartz heater runs silently, and owners consistently note the color saturation and smooth transitions between RGB settings. The included log set and crystals offer two distinct looks, and the ember-bed LEDs can be turned off separately for a more subtle glow.

At 146.1 pounds, this unit demands a well-framed wall opening and likely professional installation. The 11-inch recess depth also rules out shallow 2×4 walls without furring out. But for buyers who want the widest practical flame display before jumping to the 100-inch version, this is the sweet spot for scale versus install complexity.

Check Price on Amazon

The 100-inch HIRESC is the largest 3-sided electric fireplace in this lineup—essentially a full-wall accent piece. It uses the same proven 251 RGB LED system, Smart Life app, and dual 1500W heater, but the sheer width transforms it from a fireplace into architectural lighting. The thermostat range expands to 50°F-99°F, giving finer control at the low end for flame-only use without heat.

Timer flexibility increases to 0.5-12 hours, and the included crystals, log set, and installation kit match the smaller models. Despite its size, the unit keeps a 11-inch depth, so the framing requirements don’t change—just the width of the rough opening. Owners who have installed this model frequently mention the dramatic improvement in perceived room size, as the three-sided glass projects the flame effect across the entire wall.

This is a premium investment both in dollars and installation effort. The 100-inch width means it will span most standard walls, so you’ll likely need to frame a specific recess rather than use an existing opening. For buyers with a large great room or open-floor-plan basement, this creates a centerpiece that rivals gas or wood fireplaces in visual impact without the venting.

Check Price on Amazon

PuraFlame’s Bernice 60-inch uses a concealed heater vent and a slim 2-inch extruded aluminum trim to achieve a near-seamless flush look that many competing units can’t match. The vent is hidden behind the top bezel rather than sitting in the middle of the glass, preserving an uninterrupted flame view. It accepts both wall-mounting and recessed installation, plus a freestanding option with optional legs.

The flame engine offers 9 colors for both the flame and fuel bed, plus adjustable brightness and crackling sound. Driftwood and crystals are included, and you can swap between them to change the fire’s character. The 1500W heater covers 400 sq ft with a 60-84°F thermostat, and the unit connects to Alexa or Google Assistant for voice control. Owners highlight the realistic flame projection and the clean aesthetic that doesn’t scream “electric heater.”

Wiring flexibility is a plus: choose plug-in or hardwired. At 6 inches deep, it’s shallower than the HIRESC units, making it easier to fit into existing construction. The only common complaint is that the crackling sound lacks a volume adjustment, but for buyers prioritizing a minimal visual profile, the Bernice delivers a premium look at a mid-range investment.

Check Price on Amazon

The real differentiator is the media set: you get faux logs, camphor wood pieces, and crystals, giving three distinct aesthetic personalities from one box. The 5 brightness levels and 5 flame speeds allow granular atmosphere tuning.

Smart control comes via the Westinghouse app, Alexa, and Google Assistant, plus the included remote. The thermostat spans 62-82°F, and the 1500W heater shifts between low and high output. Installation supports both wall-mount and flush recessed mounting, with a 5.5-inch depth that fits most standard walls. Owners compliment the build quality and the realistic ember glow, though some note the heater is better suited for supplemental use rather than warming a large open space.

One practical detail: Westinghouse recommends at least 11.8 inches of clearance from ceilings and mantels, and warns against sharing a circuit with other appliances. The unit weighs under 60 pounds, making it one of the lighter premium-sized fireplaces here, which simplifies wall-mounting without extra bracing.

Check Price on Amazon

The LegendFlame Austin 50-inch is a shallow-depth 3-sided insert at only 5.78 inches deep, making it one of the easiest to fit into standard 2×4 wall cavities without furring out. It supports both recessed and wall-mounted installation and comes with two wiring options—plug-in or hardwired. The flame engine offers multicolor flames with a separate fuel-bed color, plus crackling sound and five brightness settings.

Log set and crystal stones are included, giving you two ready-to-use looks. The upper front heater blows warm air through a top-vent design, with high (1500W) and low (750W) settings. Owners consistently mention the realistic flame quality and the smart-home compatibility (Alexa/Google via the Tuya app), which adds voice control without needing a separate hub.

At 62.6 pounds, it’s manageable for a two-person wall mount, and the 50-inch width fits nicely under smaller TVs or above narrow mantels. The only common critique is that arranging the faux logs and stones behind the glass can be slightly fiddly, but the end result—especially with the multicolor ember glow—rivals units costing significantly more.

Check Price on Amazon

The Silonn 50-inch offers three installation modes—wall-mounted, recessed, or freestanding with brackets—giving you maximum placement flexibility. The triple-view glass creates a 360° visual effect, and the 15 flame colors, 15 fuel-bed colors, and 15 LED top-light colors combine for extensive customization. Flame speed has three levels, brightness offers five steps, and the included crackling sound adds auditory depth.

Heating performance matches the 5,110 BTU standard with a 68-88°F thermostat and dual 750W/1500W settings. Smart control covers four methods: touch panel, IR remote, smartphone app, and Alexa voice commands. The timer ranges from 0.5 to 8 hours. Owners praise the realistic 1:1 resin faux logs and the fire-shaped panel that creates convincing flame projections rather than flat LED strips.

One unique advantage is the ability to run the top LED lights independently from the flame and heater, functioning as accent lighting for the room. The 49.5-pound weight makes it the lightest 50-inch option here, and at 7.36 inches deep, it fits most shallow cavities. The fan can be audible on the high setting, but service-related reviews indicate responsive customer support if issues arise.

Check Price on Amazon

The OKD 52-inch is the only freestanding mantel unit in this roundup, combining a 36-inch 3-sided glass electric fireplace insert with a full media cabinet that supports TVs up to 65 inches. The mantel top holds up to 120 pounds, and the rustic oak finish with simulated stone veneer creates a traditional farmhouse look. This is the best pick for renters or anyone who can’t cut into walls.

The insert itself offers three flame colors (red, orange, blue), five brightness levels, and a 64-82°F thermostat controlling the 5,118 BTU heater. A 1-to-9-hour timer reduces energy use overnight. The 3-sided glass provides a wider viewing angle than typical front-only mantel units, and the flame effect uses 3D projection technology for depth. Owners consistently mention easy assembly (labeled parts, two separate boxes) and quiet fan operation.

One drawback is that the simulated stone is a printed veneer rather than real texture, so buyers expecting three-dimensional stone may be disappointed. But as a complete package—TV stand, electric fireplace, storage cabinet, and cord management—it’s the most turnkey solution here, requiring zero construction beyond screwing panels together.