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Sustainable Hearth Electric Fireplaces

Sustainable Hearth electric fireplaces are linear built-in units in multi-sided configurations, so the fire is visible from more than one direction. Configurations run from three-sided bays that terminate a wall to see-through models that pass through one, and none of them needs a flue or a gas line.

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Sustainable Hearth Linear Electric Fireplaces

Sustainable Hearth electric fireplaces are linear built-ins in multi-sided configurations, so the fire reads from more than one direction. Being electric, they need framing and power and nothing else.

Three-sided or see-through, and why it is not a style choice

These two configurations do different jobs and the difference decides the wall.

A three-sided unit is open on the front and both ends. It sits at the end of a wall or a peninsula and is seen from one room.

A see-through is open on two opposite faces and lives inside a wall, so one firebox finishes the rooms on either side.

If the fireplace has to serve two separate rooms, only the see-through will do it. No amount of clever placement makes a three-sided unit reach a second room.

What the wall has to give you

Depth first. Compare the unit's depth against your framing directly, because a 2x4 wall gives 3.5 inches and a 2x6 gives 5.5, and a fireplace deeper than the cavity cannot recess into it. A see-through usually means a wall built for the fireplace rather than an existing partition, so it belongs in the plan early.

No venting, and honest heat

There is no flue, no gas line and no combustion. The install is framing and power. Heat is supplemental, around 5,000 BTU where a figure is published, which takes the edge off the room rather than heating it. The heater runs independently of the flame, so the fireplace works as a visual feature all year.

See see-through fireplaces for every fuel in that shape, 3-sided electric fireplaces for the bay format, or linear electric fireplaces for the wider category.

Frequently Asked Questions about Sustainable Hearth Electric Fireplaces

What is the difference between the three-sided and see-through models?

Which faces are open, and where each one belongs. A three-sided unit is open on the front and both ends, so it sits at the end of a wall or a peninsula and is seen from one room. A see-through is open on two opposite faces and lives inside a wall, serving the rooms on either side.

Which one do I need for two rooms?

The see-through. A three-sided unit cannot serve two separate rooms no matter where it is placed, because its open faces all point into the same space. If the job is to finish a living room and a dining room with one fireplace, it has to be see-through.

What does the wall need to be?

Deep enough for the unit, and framed to the manufacturer's opening dimensions. Compare the model's depth against your framing before choosing: a 2x4 wall gives 3.5 inches and a 2x6 gives 5.5. A see-through in particular usually means a wall built for it rather than an existing partition.

Is there any venting or gas work?

None. These are electric, so there is no flue, no gas line and no combustion. The install is framing plus power to the cavity.

How much heat do they give?

Supplemental, around 5,000 BTU on the models that publish a figure. Enough to take the edge off the room it faces, not enough to be a primary heat source.

Can the flame run without the heat?

Yes. The heater is independent of the flame, so these run as a year-round visual feature and the heat is switched on only when wanted.

Not sure if Sustainable Hearth Electric Fireplaces are for you?

View more options below.

Need help choosing the right setup?

Our experts can help with sizing, installation, and choosing the right model for your space.

Call or text: (866) 713-2399
Email:
support@modernblaze.com

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