indoor electric fireplace insert for existing fireplace

Indoor Electric Fireplace Insert for Existing Fireplace

By Rachel Lewis
AD

Looking to upgrade your traditional fireplace to a modern, hassle-free electric alternative? An indoor electric fireplace insert is an excellent solution, transforming your existing fireplace into an energy-efficient, safe, and low-maintenance heating option. With no real flames or fumes, these inserts are not only clean but also incredibly safe, making them perfect for homes with children or pets.

By replacing your old fireplace with an electric insert, you're not only enhancing safety but also boosting energy efficiency. Electric fireplaces consume less energy than their wood or gas counterparts, saving you money on fuel costs in the long run. Plus, they provide consistent heat without the drafts or maintenance requirements associated with traditional fireplaces.

benefits of an indoor electric fireplace insert

Before we dive into the types of inserts and installation processes, let's explore some of the top benefits that come with switching to an indoor electric fireplace.

AD
Revamp Your Space with the Best Electric Fireplace Inserts.
Revamp Your Space with the Best Electric Fireplace Inserts.
Modern Flames Redstone Electric Fireplace – 36” | Woodland Direct
Modern Flames Redstone Electric Fireplace – 36” | Woodland Direct
GreatCo 34-In Electric Fireplace Insert w/ Arch Rectangular Front
GreatCo 34-In Electric Fireplace Insert w/ Arch Rectangular Front

One of the standout advantages is the instant heat and ambiance they provide. Electric fireplaces heat up almost instantly, and many models feature realistic flame effects for that cozy, warm glow. Whether you need a quick boost of heat or want to set the mood for a relaxing evening, these inserts have you covered.

Easy Installation and Cleanliness

Many indoor electric fireplace inserts can be installed in under an hour, using only simple tools. Since they require no ventilation or gas line, they can be placed virtually anywhere in your home with access to a standard electrical outlet. This ease of installation allows you to enjoy your new fireplace in time for your next cozy movie night.

How to Measure for Electric Fireplace Insert
How to Measure for Electric Fireplace Insert
25.3 in. W Recessed Electric Fireplace Insert with Multicolor Flame & Cracking Sound
25.3 in. W Recessed Electric Fireplace Insert with Multicolor Flame & Cracking Sound
an electric fireplace insert is shown with the words how to install an electric fireplace insert
an electric fireplace insert is shown with the words how to install an electric fireplace insert

The cleanliness factor is another significant advantage. Electric fireplaces produce no smoke, soot, or ash, keeping your home cleaner than ever before. No more mess or cleanup required – just turn it on and enjoy the warmth and ambiance.

Safety and Efficient Heating

Safety is a crucial aspect when it comes to fireplaces, and electric inserts excel in this area. With no real flames, they pose no risk of combustion. This makes them an ideal choice for homes with young children or pets who might inadvertently start a fire with a traditional fireplace.

AD

Moreover, electric fireplaces provide zoned heating, allowing you to heat only the specific room you're in instead of heating your entire house. This targeted heating saves energy and reduces costs, especially during colder months.

LED Fireplace Insert
LED Fireplace Insert
🔥 24 Gorgeous Electric Fireplaces 🔥
🔥 24 Gorgeous Electric Fireplaces 🔥
Uptown 36 in. Smart Electric Fireplace Insert Heater with Multi-Color Flames, Wi-Fi and Remote Controlled, 5118 BTU
Uptown 36 in. Smart Electric Fireplace Insert Heater with Multi-Color Flames, Wi-Fi and Remote Controlled, 5118 BTU
Convert a Wood Fireplace to Electric with an Amantii Fireplace Insert
Convert a Wood Fireplace to Electric with an Amantii Fireplace Insert
Dimplex Multi-Fire XHD Plug-In Electric Insert - Logs
Dimplex Multi-Fire XHD Plug-In Electric Insert - Logs
13 Fireplace Insert Ideas You'll Love | Fireplace Insert Designs for Cozy and Modern Homes
13 Fireplace Insert Ideas You'll Love | Fireplace Insert Designs for Cozy and Modern Homes

types of indoor electric fireplace inserts

Now that you're familiar with the benefits, let's explore the different types of indoor electric fireplace inserts to help you find the perfect fit for your home.

Electric fireplace inserts typically fall into one of two categories: built-in and cassette-style. Each offers unique advantages, so understanding their differences will help you make an informed decision.

AD

Built-in Electric Fireplace Inserts

Built-in inserts are designed to be installed directly into an existing fireplace opening. They come in various shapes and sizes, ensuring a proper fit for most fireplaces. These inserts often have a more traditional feel, featuring classic firebox designs and realistic flame effects.

Dynasty Presto Series 2 40" Electric Fireplace Insert
Dynasty Presto Series 2 40" Electric Fireplace Insert
a woman is standing in front of an electric fireplace with mantel install on it
a woman is standing in front of an electric fireplace with mantel install on it
a living room filled with furniture and a fire place in the middle of a fireplace
a living room filled with furniture and a fire place in the middle of a fireplace
Wall Mount Electric Fireplace Ideas Before Buying Or Installing One
Wall Mount Electric Fireplace Ideas Before Buying Or Installing One
27 Modern Electric Fireplace Ideas for a Cozy Home
27 Modern Electric Fireplace Ideas for a Cozy Home
Modern Ember 44-in Highmark Traditional Built-In Electric Fireplace
Modern Ember 44-in Highmark Traditional Built-In Electric Fireplace
36” Recessed/Wall-Mount Traditional Electric Fireplace Insert with Remote - Black Metal
36” Recessed/Wall-Mount Traditional Electric Fireplace Insert with Remote - Black Metal
Electric Fireplace Insert by Symple Stuff - 35" W, Black, 27" H, Realistic Flame
Electric Fireplace Insert by Symple Stuff - 35" W, Black, 27" H, Realistic Flame
Dynasty Fireplaces Presto Series 2 .LED Electric Fireplace Insert 32.0 H x 40.0 W x 9.5 D in brownMetal in Black | 32" H x 40" W x 9.5" D | Wayfair
Dynasty Fireplaces Presto Series 2 .LED Electric Fireplace Insert 32.0 H x 40.0 W x 9.5 D in brownMetal in Black | 32" H x 40" W x 9.5" D | Wayfair
18 Best Electric Fireplace Inserts Review in 2025: A Buyer's Guide
18 Best Electric Fireplace Inserts Review in 2025: A Buyer's Guide

Built-in inserts are typically easy to install, requiring only basic tools and some wiring knowledge. They also tend to be more affordable than cassette-style inserts. However, they may not be as customizable or adjustable as some other options.

Cassette-Style Electric Fireplace Inserts

Cassette-style inserts are designed to sit in front of an existing brick or concrete fireplace, rather than being built in. They consist of a frame that holds the electric fireplace components, allowing for more flexibility in placement and design.

AD

Cassette-style inserts are usually more customizable, with options for different frame materials, sizes, and fireplace effects. However, they can be more expensive than built-in inserts and may require professional installation if the insert is heavy or complex wiring is involved.

Installing an indoor electric fireplace insert

Before installing your electric fireplace insert, it's crucial to ensure it's compatible with your existing fireplace and that you follow all safety guidelines. Here's a general overview of the installation process.

Before proceeding with any electrical work, turn off the power to your fireplace at the main electrical panel. Double-check that the power is off using a non-contact voltage tester to ensure your safety during installation.

Measuring and Prepping Your Fireplace

Measure the opening of your existing fireplace to ensure the insert you've chosen will fit properly. Allow for some wiggle room, as inserts often come in sizes slightly smaller than the opening to accommodate any variations in wall thickness.

Once you've confirmed the insert's compatibility, prepare your fireplace by removing any old materials, such as bricks or loose mortar. Ensure the opening is clean and free of debris to facilitate a smooth installation.

Wiring and Installation

With the power still off, connect the insert's electrical cord to the provided junction box or wiring harness. Follow the manufacturer's instructions for proper wiring techniques, ensuring that all connections are secure and that the appropriate gauge wire is used.

Once the electrical work is complete, position the insert in the fireplace opening and secure it using the provided hardware. Some inserts may require additional support or framing to ensure they're level and secure.

Now that you've transformed your traditional fireplace into an energy-efficient, low-maintenance electric insert, the only thing left to do is sit back, relax, and enjoy the warm ambiance of your new indoor electric fireplace. With no smoke, mess, or safety concerns, you can bask in the glow of your new fireplace knowing that you've made a smart, eco-friendly choice for your home.

AD