Electric fireplaces make it possible to introduce the visual appeal of a fireplace without managing wood, ash, or a traditional chimney. Their flexibility also opens installation possibilities in houses, apartments, hotels, restaurants, and other spaces where a conventional fireplace may prove impractical. However, an easy-to-use finished product can create the false impression that every installation decision requires little planning. Avoiding common mistakes helps the fireplace look intentional while supporting proper operation.
The right installation starts before anyone places the unit into a wall, mantel, or existing opening. Fireplace dimensions, electrical requirements, ventilation guidance, clearances, and finishing choices all influence the final result. Manufacturer instructions should guide the project because different models have different installation requirements. Careful preparation also reduces the chance of discovering an expensive design conflict after finishing work has already begun. Legend Flame explores a few common electric fireplace installation mistakes you should avoid and why.
Choosing a Fireplace Before Measuring the Space
Shopping by appearance alone creates one of the easiest installation mistakes to avoid. A fireplace that looks perfectly proportioned in a product photograph may overwhelm a small wall or disappear visually inside a large feature wall. Width matters, but installers also need to consider height and depth. Surrounding furniture and architectural elements influence how the finished fireplace fits the room.
Measure the intended location carefully before selecting a unit. Account for the complete installation area rather than measuring only the visible firebox opening. If the fireplace will sit inside cabinetry or a framed wall, include those construction details in the plan. Accurate measurements narrow the product search and make the final installation look more deliberate.
Ignoring Manufacturer Clearance Requirements
Electric fireplaces eliminate many combustion-related concerns associated with wood-burning fireplaces, but they still require proper installation. Each manufacturer specifies how its unit should sit within or near surrounding materials. These directions may address clearances, air circulation, mounting methods, or restrictions involving nearby objects. Ignoring those requirements can interfere with performance and create avoidable safety concerns.
Don’t assume that instructions for one electric fireplace apply to another model. Built-in, recessed, wall-mounted, and freestanding designs can use different installation approaches. Review the manual before framing a wall or modifying cabinetry. If the installation instructions conflict with your original design, change the design rather than improvising around the manufacturer’s requirements.

Treating Electrical Planning as an Afterthought
An electric fireplace needs a suitable power source, which makes electrical planning part of the design process. Waiting until the wall or surround reaches completion can leave visible cords, awkward outlet locations, or additional construction work. The fireplace’s electrical specifications should determine what the project requires. Some installations may also call for professional electrical work.
Plan the power location alongside the fireplace dimensions. A clean installation keeps electrical components accessible where required without making them the visual focus of the wall. Never use an extension cord or improvised electrical setup unless the manufacturer explicitly permits it. When electrical work exceeds your experience, hiring a qualified electrician protects the project and the property.
Forgetting About Heat Around Televisions
Mounting a television above an electric fireplace creates a popular focal-wall arrangement. The combination can work well when the fireplace design, television placement, and manufacturer requirements support it. Problems arise when homeowners focus on symmetry and ignore how the unit directs heat. A television shouldn’t sit in a location that exposes it to conditions outside its operating requirements.
It’s important to review manufacturers’ guidance before finalizing the layout. Mantels, shelves, or other architectural details may influence heat movement, but installers should never invent a clearance based on appearance alone. Comfortable viewing height also matters because placing a television too high can create an awkward setup. Treat the fireplace and television as two pieces of equipment with separate installation needs.
Rushing the Framing Process
Recessed fireplaces can create a streamlined architectural look, but the surrounding framing needs accurate dimensions. An opening that runs too small creates an obvious problem, while an oversized opening can complicate finishing and alignment. Installers should confirm rough-opening dimensions from the fireplace documentation before cutting or building. They should also check the finished wall thickness and mounting method.
Use the actual product specifications instead of estimating from the advertised fireplace size. Model names may refer to a general width rather than every physical dimension that matters during installation. Verify the location of vents, controls, power connections, and mounting points. A few minutes of careful checking can prevent hours of corrective construction.
Overlooking the Finished Edges
The transition between the fireplace and the surrounding wall has a major effect on the final appearance. Uneven drywall, visible gaps, rough cuts, or poorly planned borders can make an otherwise attractive fireplace look unfinished. Our electric fireplace trim can create a cleaner visual transition when the selected model and installation support that finishing approach. The goal should involve integrating the unit into the room rather than simply fitting it into an opening.
Think about finishing details before construction reaches its final stages. Wall material, mantel design, trim profile, and fireplace dimensions should work together visually. A traditional room may benefit from a more architectural surround, while a contemporary interior may call for a restrained edge treatment. Legend Flame offers fireplace options for varied spaces and styles, giving shoppers room to coordinate the unit with the overall design.
Picking Style Without Considering Scale
A fireplace naturally draws attention, which means its proportions affect the entire wall. A narrow unit beneath a very wide television can create an unbalanced composition. An oversized fireplace may crowd built-ins or leave too little room for other architectural features. Scale should support the room rather than compete with it.
Before purchasing, consider several visual relationships:
- Fireplace width compared with the wall
- Television width when mounting one above the unit
- Mantel length and depth
- Nearby cabinetry or shelving
- Furniture placement and viewing angles
- The amount of open wall surrounding the feature

Create a Fireplace Feature That Looks Intentional
Legend Flame offers electric fireplaces for residential and commercial installations, giving shoppers options for living rooms, apartments, hotel spaces, restaurants, and other interiors. Buyers can compare available styles and dimensions online before deciding which model best fits their planned installation. Reviewing product specifications before beginning construction makes the entire project easier to coordinate. With careful planning, an electric fireplace can become a polished focal point instead of a feature that reveals installation shortcuts.