Modern Flames 30" Redstone Built-in Electric Insert Fireplace (RS-3021)

Save $420.00
Modern FlamesSKU: RS-3021
No reviews

Sale price$979.99 Regular price$1,399.99
In stock


Modern Flames 30" Redstone Built-in Electric Insert Fireplace (RS-3021) Overview

The Redstone feature our new Hybrid-FXTM flame technology maximizing the flame height in an enlarged vertical viewing area. Easily installs in a rough frame wall or a finished opening.

The Redstone feature our new Hybrid-FX™ flame technology maximizing the flame height in an enlarged vertical viewing area. Some of the eye-catching features include high intensity RGB independently controlled up lighting, down lighting & flame color. Other standard features include 10 different unique colors to choose from, variable and thermostatically controlled heat, variable motor controls, timer, push button and remote controls. This conventional design can slide into an existing Zero Clearance wood burning fireplace or will need 10” to 12” of depth in a wall for the built-in/slide-in flush mount look. The Redstone plugs into a standard outlet and includes a 5000 BTU heater. Acrylic crystal media and driftwood logs are both standard media.


  • Built-In Finish
  • Single-Sided
  • Simple Installation

Insert Mount Conventional Electric Fireplace

Convert your worn wood burning fireplace into a lively, stunning statement piece the simple way with this easily insert installed electric fireplace.

Update your old fireplace with this premium electric fireplace insert. With efficient heat and beautiful, life-like flames, designed as an alternative to a wood-burning fireplace and provides a beautiful and affordable substitute. The insert can provide supplemental zone heating up to 500 square feet and can be used with or without heat for year-round enjoyment. These inserts don’t require building a fire, and are even easier to start and maintain. Insert surround kits are available in 4”, 5”, 6” & 8” pieces to customize your existing fireplace with a Redstone model with a classic clean-look, Insert surround sets are for 26”, 30” & 36” models only. Designed to fit into most existing wood burning fireplaces.


  • Insert Finish
  • Single-Sided
  • Simple Installation
  • Designed To Fit Into Most Existing Wood Burning Fireplaces


Flame Display

  • Active Ember Bed Design
  • Variable Speed Flame Control
  • New Hybrid-FXTM Flame Technology
  • 10 Different Flame & Ember Bed Colors
  • High Intensity Multi-Color Flame & Ember Bed
  • Independently Controlled Flame & Ember Bed
  • Orange Lit Log Set


  • Acrylic Crystal Ember Bed
  • LED Lighted Driftwood Log Set
  • Glowing log sets vary in size, 3, 5 or 7 logs, depending on fireplace unit size


  • 5,000 BTU Heater
  • Variable Heat with Thermostat


  • Built-In Touch Controls
  • Special Bronze and Black Stoll Faces, 30” Only
  • Multiple Trim Kits for Custom Sizing
  • Handheld Remote


Standard Features

  • Hybrid-FXTM Flame Technology
  • Premium Glowing Log Set
  • 10 Unique Flame Colors with Down Lighting and Ember Bed Lighting
  • Acrylic Crystal Ember Bed
  • Low Energy LED Flame Technology
  • Touch Button Controls
  • New Sleek Remote
  • Can be Installed Beneath a TV
  • Variable Heat with Thermostat
  • Variable Flame Controls
  • 120 Volt Plug
  • Do it Yourself Installation Instructions
  • Finish Trim Kit Included;  Additional optional Extra Wide Trim Kits also available.


Fireplace Dimensions

29 1/4" W x 18 1/2" H  x 9 7/8" D

Viewing Area

28" W x 15 7/8" H

Fireplace w/ 1 5/8" Trim

31 1/4" W x 20 7/8" H x 9 1/4" D




Built-In / Insert



Media Bed

Crystals / Logs

Heating Area

Heats 400 sq. ft. with 5000 BTUs


Dedicated 15 Amps (or higher) breaker required


Hard Wire or Plug into 120 V Outlet

Bulb Type


Sleep Timer

30 mins. to 8 hours

Two Heat Settings

1465 W on High / 750 W on Low setting


2 Years

What's Included

Electric Fireplace, Remote Control, Glass Media, Log Set, Trim Kit, and User's Manual 



1. Grand Canyon Cannon Balls Decorative Media


  • Grand Canyon Cannon Balls Decorative Media can help you create a unique and eye-catching fire feature, indoors or outdoors. Enjoy the flames and beautiful display with additional decorative media!
  • This decorative media can be used anywhere you want and are available in sizes - 2"and 4" diameter in Black, Dark Gray, and Silver.
  • 12-pc 2" Cannon Ball Set 
  • 8-pc 4" Cannon Ball Set  


2. Modern Flames Trim Kits (Extra Wide Trim Kits)

Give your Modern Flames Redstone Electric Fireplace a finished, picture frame appearance with the addition of this easy-to-install trim kit. This thin trim is designed for use with in-wall installations.


*Note:  Standard Trim Kit (32"W x 21"H) already included within this unit. If you need extra wide trim kits then you can choose from these optional Trims. 


      • Small: 5" SURROUND  (COVERS 38"W x 24"H)
      • Large: 8" SURROUND  (COVERS 44"W x 27"H)


About Modern Flames

Modern Flames is known as an innovative leader in contemporary electric fireplace design and technology for residential and commercial environments. Pioneering the introduction of the modern linear electric fireplace throughout North America in 2008, the style has since set the standard for architects, designers, builders, and homeowners due to the ultra-realistic flame appearance paired with the ease of installation and affordability.

Payment & Security

American Express Diners Club Discover Mastercard Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

You may also like