Built-in fireplaces blend heat and ambiance into a seamless wall feature. Modern electric models deliver drama with flame realism, adjustable heat, and flexible installation — from flush recessed inserts to wall-mounted units. This guide highlights five top-built-in electric fireplaces that suit contemporary American homes, spanning compact 36-inch models to expansive 84-inch configurations. Each option supports dimmable flames, multicolor displays, and smart controls, helping you choose the right balance of aesthetics, warmth, and ease of installation. Below, you’ll find quick product summaries and a buying guide to compare performance, installation, and features.
| Product | Brand | Key Feature |
|---|---|---|
| Westinghouse 50-Inch Electric Fireplace | Westinghouse | Up to 144 flame color combos; thermostat 62–82F; wall-mount or in-wall recessed |
| Dimplex Slim 50-Inch Built-In Electric Fireplace | DIMPLEX | Only 4″ depth; flush/ framing; Multi-Fire SL; 4 color options |
| Modern Flames Redstone 36-Inch Built-In Fireplace | Modern Flames | Hybrid-FX with 10 flame colors; up-lighting & down-lighting; heats up to 5,000 BTU |
| Dimplex Revillusion 42-Inch Built-In Firebox | DIMPLEX | Revillusion flames; 42″ firebox; 120V plug kit; heats up to 1,000 sq ft |
| Touchstone Sideline Infinity Pro 84-Inch Built-In Fireplace | Touchstone | 3-sided view; 6 flame colors; 13-color down lighting; 1,500W heater; four install options |
Westinghouse 50-Inch Built-In Electric Fireplace
Westinghouse’s 50-inch electric fireplace offers a built-in, decorative heater with flexible mounting options, including wall-mount or in-wall recessed installation. The flame display is highly configurable: up to 144 color combinations, five brightness levels, and five flame speeds. Interchangeable faux logs and ember beds add realism, letting you tailor the look to your room. With a 750W/1500W heater, it provides adjustable warmth without a vent. The unit fits openings about 49″ x 15″ and measures 50″ x 15.75″ front facing, making it a practical, dramatic upgrade for modern living spaces.
Equipped for everyday comfort, the unit includes thermostat control and adjustable heat output to maintain the ideal temperature. It supports voice control compatibility with popular smart assistants, allowing hands-free flame and warmth adjustments, while its compact form helps it blend into most room designs. While focused on aesthetics, this Westinghouse model does not compromise on safety features and provides straightforward installation options for mid-range home projects.
Dimplex Slim 50-Inch Built-In Electric Fireplace
DIMPLEX Slim 50-Inch Built-In Electric Fireplace combines a shallow 4-inch depth with a flush-mount design, ideal for tight spaces. It can sit flush in standard 2×4 framing or be installed with the included wall-mount bracket for a seamless built-in look. The Slim’s Multi-Fire SL Technology creates a sense of depth with layered flames, and you can change the flame color to Yellow, Orange, Blue, or a mix to suit your mood. The unit ships with an acrylic crystal ember bed that enhances the glow.
Remote control and an included acrylic crystal ember bed provide easy customization, while its shallow depth minimizes renovation requirements. The 4-inch depth helps it fit into tighter walls, and the depth-friendly design reduces the risk of concealment issues during installation. For homeowners seeking a minimal footprint with vivid flame options, this Dimplex model delivers a balance of aesthetics and practicality, even in rooms with limited wall space.
Modern Flames Redstone 36-Inch Built-In Fireplace
Modern Flames Redstone 36-Inch Built-in Electric Fireplace uses Hybrid-FX flame technology to create a bold, multi-dimensional flame display. The unit adds high-definition illumination with both up-lighting and down-lighting, plus 10 flame color options to suit any decor—from cool blues to warm ambers. With a 36-inch footprint, this model fits compact built-ins while delivering a strong visual centerpiece. The heater delivers up to 5,000 BTU/hour, offering substantial warmth for medium-sized rooms, though you can deactivate the heater if you want only a flame show.
Designed for built-in installations, the Redstone supports flush or recessed mounting and emphasizes a high-tech ambiance with its RGB lighting and customizable colors. The unit also emphasizes safety and ease of use, with a straightforward installation process and remote or app control options. For buyers who want a bold, adjustable fire feature in a compact footprint, the Redstone provides a compelling blend of realism and performance.
Dimplex Revillusion 42-Inch Built-In Firebox
Revillusion 42-Inch Built-in Firebox uses a dedicated flame technology to mimic a natural fire with depth and realism. The 42-inch firebox features a front glass panel and a warm, textured interior meant to resemble concrete, enhancing the authentic look of the firebox. The heater can be turned on for on-demand warmth to heat spaces up to 1,000 square feet, while the flame display remains active even when the heater is off.
Interior design cues are complemented by the included 120V plug kit, which provides flexible installation options: plug-in for quick setup or hardwire for a cleaner, built-in appearance. The overall effect is a convincing, cinematic flame that blends with modern decor while offering practical heat when needed.
Touchstone Sideline Infinity Pro 3-Sided 84-Inch Built-In Fireplace
Touchstone Sideline Infinity Pro 3-Sided Smart 84-Inch Fireplace delivers a wide, three-faced flame view across large rooms. The 1,500-watt heater provides ample warmth, while six flame colors and 13-color down lighting create customizable ambience. The built-in unit includes a premium crackle sound feature for added realism. Control options include a touchscreen panel, remote, or a smartphone app, enabling quick flame color, brightness, speed, and heat adjustments. The Sideline Infinity Pro supports flexible installation with four configurations: 3-sided, left-visible, right-visible, or front-only, and can be plug-in or hardwired.
With a wide footprint and a polished finish, the 84-inch Sideline Infinity Pro makes a bold statement about modern interiors. The combination of heat, flame variety, and lighting creates a dynamic focal point that can shift from cozy evening glow to cinematic display. When selecting this model, consider room dimensions, wall space, and wiring options to ensure a clean installation that aligns with the intended viewing angle.
Buying Guide
Choosing a built-in electric fireplace involves balancing room size, installation fit, flame realism, and control options. Start by assessing where the unit will live and how it will be mounted—flush in-wall recess, or wall-mounted for easy access. Next, match heating capability to your space: larger rooms benefit from higher BTU output, while smaller spaces may prioritize flame realism over heat. Consider flame color range and lighting effects to harmonize with furniture and decor. If smart home integration matters, verify compatibility with voice assistants and mobile apps. Finally, factor in installation complexity, durability, and maintenance needs to select a model that offers long-term value.
Quick Comparisons By Need
- Best flush, space-saving install: Slim 50-Inch models with shallow depth.
- Best for large, panoramic viewing: 84-Inch three-sided designs.
- Best value for color variety: Models offering many flame colors and lighting options.
- Best for realistic flame effects: Fireboxes with advanced flame technology and concrete or log bed details.
- Best for flexible placement: Units with multiple mounting options and plug-in or hardwire setups.