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A three-sided electric fireplace changes how you experience a room. Instead of a single flat pane, the glass wraps around the corner, giving you a panoramic view of the flames from multiple seating areas. This design turns a simple heat source into a true architectural feature, but choosing the right one means balancing install depth, heat output, and control options against your wall size and budget.
I’m Mohammad Maruf — the founder and writer behind WellFizz. I’ve spent years analyzing home heating hardware, focusing on how BTU ratings, flame color depth, and installation specifications translate into real-world satisfaction for buyers.
After examining dozens of models across price tiers, I’ve identified the units that deliver on their promises. Whether you are building a media wall or upgrading a living room, this guide will help you find the best 3 sided electric fireplace for your layout and style.
How To Choose A 3 Sided Electric Fireplace
A 3-sided unit is more than a heater — it is a focal point. Before you buy, focus on three factors that separate a great fit from a regretful purchase: actual installation requirements, flame realism depth, and the heater’s real-world coverage.
Installation Type and Wall Depth
Three-sided fireplaces are commonly recessed into a wall or stud frame, so the depth of the unit is your first constraint. Measure your opening carefully — models range from roughly 5.5 to 11 inches deep. Some units also offer freestanding or wall-mount options, which can be easier if you are not building a new wall. Plan for ventilation clearances: most front-venting designs allow a TV above, but always check the manual for minimum gaps.
Flame Quality and Customization Range
The “3-sided” feature only looks good if the fire effect itself is believable. Look for models with separate color controls for the flame, the ember bed, and any downlighting. Higher color counts (12 to 251) give you more mood options, but the actual realism comes from the projection depth and fuel-bed media. Crystal beds and driftwood log sets add texture. Crackling sound effects — adjustable in volume — can mask a lack of visual depth.
Heater Power and Noise
Most 3-sided units run 750W or 1500W (roughly 5,000 BTU), enough to heat up to 400 square feet as a supplemental source. The fan noise from the heater ranges from a whisper to a noticeable hum — check customer feedback if you want a silent flame-only mode. A built-in thermostat helps maintain a steady temperature, and timer functions (30 minutes to 9 hours) save energy during sleep.
Quick Comparison
On smaller screens, swipe sideways to see the full table.
| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Touchstone Sideline Infinity Pro 60″ | Premium | Best Overall | 6 flame colors, 13 ember colors | Amazon |
| HIRESC 70″ WiFi | Premium | Best Large Format | 251 RGB colors, 70-inch | Amazon |
| Ambe Linear 50″ Real Wood | Premium | Best Realism | Real kiln-dried hardwood logs | Amazon |
| Modern Ember Highmark 50″ | Premium | Sleek Hidden Vents | Hidden vent, 10 flame colors | Amazon |
| Westinghouse 50″ Smart | Mid-range | Smart Home Integration | 144 color combos, Alexa | Amazon |
| Silonn 50″ Smart | Mid-range | Best Customization | 15 flame + 15 ember colors | Amazon |
| Mystflame 50″ Smart | Mid-range | Versatility Prize | 3-in-1 install, 5.5″ depth | Amazon |
| LALAHOO 72″ 3-Sided | Mid-range | Extra-Wide View | 72-inch width, 12 colors | Amazon |
| Maxhonor 40″ Mantel | Value | Freestanding Mantel | All-in-one mantel design | Amazon |
In‑Depth Reviews
1. Touchstone Sideline Infinity Pro 60″
The Sideline Infinity Pro delivers the best balance of six realistic flame colors, a 13-color ember bed, and adjustable downlighting — all packed into a 60-inch 3-sided frame that supports plug-in or hardwire installation. Its 1500W heater (5,000 BTU) covers up to 400 sq ft, and the integrated crackle speaker adds an audio layer most competitors skip. The 9.25-inch depth requires a standard 2×4 wall cavity, and the included driftwood log set with crushed glass crystals creates a dimensional fuel bed that photographs well.
Smart home users will appreciate the WiFi and Alexa compatibility, which lets you adjust flame speed, brightness, and thermostat from your phone or voice. The programmable timer runs from 30 minutes to 9 hours. Customer feedback consistently highlights the realistic fire effect and straightforward mounting process, though a few reviewers note the touch-panel buttons lack a lock feature, which could matter in households with young children.
For a premium 3-sided unit that combines a convincing flame projection, flexible control options, and robust build quality, the Touchstone Sideline Infinity Pro sets the benchmark. It is the most complete package for anyone building a modern media wall that needs to look and feel like a real hearth.
Why it’s great
- Three install modes (plug or hardwire).
- Adjustable crackling sound adds realism.
- Rich color combinations for flames and ember bed.
Good to know
- Touch panel cannot be locked when unit is off.
- Heater fan is audible on high setting.
2. HIRESC 70″ 3-Sided Smart WiFi
This 70-inch HIRESC model is built for large wall installations where the 3-sided view becomes a dramatic centerpiece. It combines red, green, and blue LEDs to create 251 distinct flame colors, with independent controls for the ember bed and downlight. The 11-inch chamber depth fits deeper walls, and it ships with both a crystal set and a log set so you can switch between a sleek modern look and a traditional firebox appearance.
The Smart Life app gives you full control over flame color, brightness, heating mode, and a 1-to-8-hour timer. At 1,500 watts (5,118 BTU), it heats up to 400 sq ft, and the thermostat is adjustable between 62°F and 82°F. Buyers report that the installation is straightforward for a recessed frame, and the customer service team responds quickly if a unit arrives damaged — a common risk with large glass-sided products.
If your project demands a 70-inch span and you want near-infinite color tuning, this is the best option at this size. The 251-color palette ensures you can match any room’s lighting scheme, from a warm ember glow to a vivid party display.
Why it’s great
- Massive 70-inch viewing width.
- Independent RGB controls for flames, bed, and downlight.
- App and remote control included.
Good to know
- Heavy unit (over 130 pounds) requires two-person install.
- Heater coverage is concentrated in front of the unit.
3. Ambe Linear 50″ Real Wood Log Set
What sets the Ambe Linear apart from every other 3-sided model is the inclusion of actual kiln-dried, hand-charred split hardwood logs — not imitation plastic resin. The reflective flame panel doubles the visual depth of the fuel bed, making the flames appear to dance between and behind the real wood pieces. The hidden vent design keeps the front profile completely clean, without any grates interrupting the glass expanse.
The unit supports 10 color settings each for the flame, fuel bed, and downlight, giving you 1,000 possible combinations. Heating comes from a 1,500W (5,000 BTU) two-stage heater with an adjustable thermostat. At 51.2 inches wide and 9.1 inches deep, it fits most standard wall cavities. Customer feedback emphasizes the exceptional packaging and the company’s responsiveness — one reviewer received a replacement remote after a single call.
If realism is your priority and you are willing to invest in premium materials, the Ambe Linear delivers a wood-burning aesthetic without any of the mess. The real log set transforms the 3-sided glass from a digital light show into a genuine hearth experience.
Why it’s great
- Authentic kiln-dried hardwood logs included.
- Deep fuel-bed reflection creates convincing depth.
- Hidden vents maintain a sleek front.
Good to know
- Heater noise is noticeable on high setting.
- Premium price places it at the high end.
4. Modern Ember Highmark 50″ Smart
The Modern Ember Highmark is engineered for buyers who want a linear fireplace that does not sacrifice aesthetics for a heater vent. The concealed heating vent eliminates the typical unsightly grate across the front, leaving a clean black glass surface. It offers 10 flame colors, 10 ember bed colors, 5 brightness levels, and 3 flame speeds, with independent flame and heat operation for year-round use.
The 50-inch size can be wall-mounted or recessed, and it works with Alexa and Google Home via WiFi. The included driftwood log set and crystal embers allow you to switch between rustic and contemporary looks. The heater produces 5,118 BTUs and covers up to 400 sq ft. Customer reviews consistently praise the upscale flame appearance and the easy remote operation, though a few note that the heater blower is louder than expected on the high setting.
If a seamless front with no visible vents is your top design requirement, the Modern Ember Highmark delivers a polished look that competes with custom built-ins. It is a strong mid-premium choice for living rooms where the fireplace is the primary visual anchor.
Why it’s great
- Concealed heater vent creates uninterrupted front glass.
- Wide range of flame and ember color combinations.
- WiFi and voice assistant compatible.
Good to know
- Heater fan noise is audible on high.
- Remote is small and easily misplaced.
5. Westinghouse 50″ Electric Fireplace
Westinghouse brings its appliance expertise to the 3-sided category with a 50-inch unit that offers up to 144 total color combinations for flames and embers, five independent brightness levels, and five flame burning speeds. The interchangeable faux log and crystal ember bed sets let you change the look monthly without opening the unit. It measures only 5.5 inches deep, making it one of the slimmest 3-sided options for shallow walls.
The built-in thermostat adjusts between 62°F and 82°F, and the 750W/1500W heater provides supplemental warmth for rooms up to 400 sq ft. Alexa and Google Home integration works through the Westinghouse app, and the remote is included. Customer feedback rates the flame realism highly, though several buyers note that the heat output is better for ambiance than primary heating — a common trait across this category.
For smart home enthusiasts who want app and voice control without paying a premium, the Westinghouse 50-inch hits the sweet spot. Its slim depth and wide color palette make it a flexible choice for both recessed and wall-mounted installations.
Why it’s great
- Ultra-slim 5.5-inch depth fits standard walls.
- 144 flame and ember color combinations.
- App, remote, and voice control.
Good to know
- App supports only one phone at a time.
- Heat output is supplemental, not primary.
6. Silonn 50″ Smart 3-Sided
The Silonn 50-inch stands out for offering 15 colors each for the LED top lights, flames, and crystal fire bed — totaling 45 independently controllable zones. This level of granularity allows you to mix a blue flame with a warm ember bed and cool top lighting, something few competitors match. The 1:1 replicated resin faux logs and fire-shaped panel technology create a natural-looking fire profile, and the built-in speaker simulates crackling sounds at adjustable volumes.
Installation is flexible: wall-mount, recessed, or freestanding with the included brackets. The 5,110 BTU heater warms up to 400 sq ft, and the thermostat ranges from 68°F to 88°F. The unit works with Alexa and the Silonn app, plus you get a remote and control panel. Customers praise the build quality and the elegant appearance — many mention the crystal media looks like glowing embers under the colored lighting.
If you want precise control over every light element in your 3-sided fireplace and value color variety over ultra-realism, the Silonn delivers more customization per dollar than any mid-range option. The 0.5-to-8-hour timer adds energy-conscious convenience.
Why it’s great
- 45 color zones across top, flame, and bed.
- Three install methods with brackets included.
- Alexa and app control.
Good to know
- Fan noise can be loud on high heat.
- Flame realism is moderate — crystals help the visual.
7. Mystflame 50″ Smart WiFi
The Mystflame 50-inch is the most installation-flexible 3-sided option on this list: it can be wall-mounted, recessed flush into a wall, or set on the floor with included legs. At only 5.5 inches deep, it fits into standard wall cavities without furring out. The 13 flame colors pair with 13 matching fuel bed colors, and you can mix the log set and glass crystals for a traditional look or use crystals alone for a modern vibe.
The heater runs 750W or 1500W (up to 5,118 BTU) and includes a precise thermostat from 62°F to 98°F. Front-facing vents keep the heat away from wall-mounted TVs above the unit. WiFi app control plus Alexa and Google Home compatibility round out the smart features. Customer reviews from 2021 owners confirm the unit holds up well over years of use, with one buyer reporting a free replacement light bar after two years — a strong indicator of after-sales support.
For homeowners who are not sure whether they will recess or surface-mount, the Mystflame includes all hardware for both routes. Its slim depth and generous color pairing make it a practical pick that does not force you into a single installation path.
Why it’s great
- Three install modes: wall, recess, or floor-standing.
- Very slim 5.5-inch profile.
- 13 flame and 13 fuel bed colors with mix-and-match media.
Good to know
- Simulated flame and sound quality are acceptable but not top-tier.
- WiFi setup can be finicky for some users.
8. LALAHOO 72″ 3-Sided
The LALAHOO 72-inch delivers the widest 3-sided viewing area at a mid-range price point, making it ideal for large open-concept living rooms or great rooms. It features 12 flame colors and 5 brightness levels, plus a Wi-Fi app for remote adjustments. The unit can be recessed or wall-mounted, with dimensions of 72 inches wide, 17.3 inches tall, and 7.9 inches deep — a manageable depth for most standard framing.
The 1,500W heater provides 5,118 BTU of supplemental heat for up to 400 sq ft, with 750W low and 1500W high settings. The 8-hour auto timer helps manage run time. ETL certification verifies overheat protection and cool-touch glass. Buyers describe the design as beautiful and the heating element as strong, though some note that the heater’s coverage is concentrated in the front section rather than spreading across the full 72-inch width.
If you need a 3-sided fireplace covering a very wide wall — say, flanked by built-in shelving — the LALAHOO 72-inch gives you that span without jumping to the premium tier. Just be realistic about heater coverage and consider it a focal-point upgrade with secondary warmth.
Why it’s great
- Widest 3-sided unit in the mid-range tier (72 inches).
- WiFi and remote control included.
- ETL certified for safety.
Good to know
- Heat only covers the front section effectively.
- Return policy can be expensive for wrong-size orders.
9. Maxhonor 40″ Mantel
The Maxhonor 40-inch is the only entry-level 3-sided fireplace on this list that comes as a complete freestanding mantel unit — no wall cutting required. The engineered wood frame with a powder-coated finish measures 42.3 inches wide by 32.9 inches tall, and it includes a 5.1-inch solid base for stability. It offers 12 flame colors, 5 brightness levels, and a 1,500W heater that covers up to 400 sq ft.
Assembly takes about an hour with two people, and the clearly labeled parts simplify the process. Customer reviews consistently praise the bold appearance and solid construction, especially for the price. The three-sided glass gives a surprisingly wide view for a 40-inch unit, and the realistic logs combined with 3D flame technology create a convincing campfire effect. The remote control handles all flame and heat settings, and the 1-to-8-hour timer helps manage energy use.
If you want the 3-sided aesthetic without cutting into your walls — and you prefer a traditional mantel look — the Maxhonor delivers a strong visual impact at a budget-friendly cost. It is an excellent starter option for renters or those exploring the category for the first time.
Why it’s great
- Complete freestanding mantel — no installation required.
- Solid engineered wood construction with powder-coated finish.
- 12 flame colors and 5 brightness levels.
Good to know
- Flame realism is moderate compared to premium units.
- Logs may look better removed according to some users.
FAQ
Can I mount a TV above a 3-sided electric fireplace?
Do 3-sided fireplaces heat a whole room?
What is the easiest way to install a 3-sided fireplace?
How do I clean the three-sided glass panels?
Can I run the flame effect without the heater?
Final Thoughts: The Verdict
For most users, the best 3 sided electric fireplace is the Touchstone Sideline Infinity Pro because it combines the widest range of realistic flame colors, a premium built-in crackling sound system, and flexible plug-in or hardwire installation. If you want a large 70-inch format with 251 RGB color options, grab the HIRESC 70″. And for unmatched realism with real hardwood logs and a hidden vent, nothing beats the Ambe Linear 50″.
Mo Maruf
I created WellFizz to bridge the gap between vague wellness advice and actionable solutions. My mission is simple: to decode the research and give you practical tools you can actually use.
Beyond the data, I am a passionate traveler. I believe that stepping away from the screen to explore new environments is essential for mental clarity and physical vitality.