14 Unineo models, from 23-inch inserts to 60-inch recessed wall fireplaces

39-Inch Electric Fireplace Insert with Sound

★★★★☆ 4.9 (31 reviews)

Most electric inserts stay silent, which is the moment the illusion breaks. This 39-inch unit adds a firewood crackle running underneath 12 flame colors, 12 ember bed colors, and a top ambient light, each adjustable across five speed and brightness levels. Buyers keep coming back to the same word in their reviews: realistic. The heater runs at 750W or 1500W, plus an Eco setting that reads room temperature and adjusts power and fan speed on its own, supplementing heat for spaces up to 450 square feet with no dust, smoke, or venting. Set the thermostat anywhere from 60 to 99°F and watch it on the digital display, or ignore heat entirely and run flame alone. A 0.5-9 hour timer, child lock, and passive overheat protection come standard on this CSA-certified unit. Installation is honest work: overall dimensions are 39"W × 27"H × 8.9"D, and it needs an opening between 35.4-38.5" wide, 25.7-26.8" high, and at least 8.5" deep. No brackets, no vent, it just sits in and runs. Owners are emphatic on one point, so check the size guide before ordering rather than guessing small. Remote and button control both work, and a one-year warranty backs it up.

What customers say

Customers love the quality and value of this product.

  • [Various Flame Atmosphere] - This fireplace insert offers a variety of flame options including 12 color mode of Flame, Ember Bed and Top Ambient Light, 5 level Flame Speed and brightness also available for selection, while the plenty flame options running with the simulated firewood burning sound, gives you a massive choice of atmosphere.
  • [Efficient Eco Heater] - The fireplace heater can work at different powers of 750W/1500W and an Eco mode. It will automatically adjust the power and fan speed under Eco setting according to the room temperature, provide supplementary heat more efficiently for room up to 450quare feet without any hassle of dust or smoke.
  • [Dimension & Installation] – Overall dimension: 39’’W×27H’’×8.9’’D; Recommended Opening Size Range: Width 35.4’’-38.5’’, Height 25.7’’-26.8’’, Depth at least 8.5’’, no fixing bracket or vent needed, just sit on and it will work; For more information about the size or if you are not sure about if it will fit, please refer to "User Manual" in "Technical Specification" section or feel free to contact us directly.
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4.7★ on top-rated TV stands CSA certified · 10+ models covered 1-year warranty on every unit

Most electric inserts stay silent, which is the moment the illusion breaks. This 39-inch unit adds a firewood crackle running underneath 12 flame colors, 12 ember bed colors, and a top ambient light, each adjustable across five speed and brightness levels. Buyers keep coming back to the same word in their reviews: realistic.

The heater runs at 750W or 1500W, plus an Eco setting that reads room temperature and adjusts power and fan speed on its own, supplementing heat for spaces up to 450 square feet with no dust, smoke, or venting. Set the thermostat anywhere from 60 to 99°F and watch it on the digital display, or ignore heat entirely and run flame alone. A 0.5-9 hour timer, child lock, and passive overheat protection come standard on this CSA-certified unit.

Installation is honest work: overall dimensions are 39"W × 27"H × 8.9"D, and it needs an opening between 35.4-38.5" wide, 25.7-26.8" high, and at least 8.5" deep. No brackets, no vent, it just sits in and runs. Owners are emphatic on one point, so check the size guide before ordering rather than guessing small. Remote and button control both work, and a one-year warranty backs it up.