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Every row above is published in our Shopify product data for the selected variant. Dimensions, cut-out sizes and electrical or gas requirements vary by model; confirm them against the manufacturer documents below before framing, wiring or plumbing.
Product detail
Add the warmth, character, and convenience of a modern electric fireplace to your home with the Modern Flames Redstone 26 Inch Built In Electric Fireplace Insert. Designed for built in applications and existing fireplace openings, the Redstone RS 2621 gives smaller rooms and fireplace renovations a clean, realistic, and easy to use electric fireplace solution.
With its traditional firebox look, glowing driftwood log set, acrylic crystal ember bed, customizable flame display, and supplemental heat, this 26 inch electric fireplace insert is ideal for bedrooms, offices, condos, apartments, smaller living rooms, and older fireplace openings that need a cleaner upgrade.
The Redstone 26 inch fireplace insert is designed to bring new life to compact fireplace spaces. It can be installed into an existing fireplace opening or used in a properly framed built in wall application, giving homeowners the look of a traditional fireplace without the smoke, ash, gas lines, venting, or wood burning maintenance.
Its smaller size makes it a strong fit for tighter spaces where a full size fireplace insert may not be practical, while still delivering the visual warmth and comfort expected from the Redstone Series.
The Redstone RS 2621 uses Modern Flames Hybrid FX Flame Technology to create a vivid and customizable fireplace experience. The flame display, ember bed lighting, and down lighting help create a more layered fire presentation that feels warm, dimensional, and inviting.
The included LED lighted driftwood log set and acrylic crystal ember bed allow the fireplace to deliver both traditional warmth and modern visual detail, making it easy to match different interior styles.
This built in electric fireplace insert includes a 5,000 BTU heater designed to provide supplemental warmth for spaces up to approximately 400 square feet. The flame effect can also operate without heat, allowing you to enjoy the visual ambiance of the fireplace throughout every season.
Use the heater during cooler months, or turn on the flame display by itself when you simply want the relaxing presence of a fire.
The Redstone 26 inch electric fireplace is designed for built in, recessed, or insert style installation. It can be used to update an existing fireplace opening or installed into a properly framed wall cavity with the required depth.
The unit can plug into a 120V outlet and may also support hardwired installation depending on the project setup and local electrical requirements. Professional installation is recommended for built in and hardwired applications.
The Modern Flames Redstone 26 Inch Built In Electric Fireplace Insert is a strong choice for homeowners who want a compact electric fireplace with realistic flame visuals, supplemental heat, and a clean built in appearance. It delivers the charm of a traditional fireplace while removing the maintenance and limitations of wood or gas burning options.
For anyone upgrading a smaller fireplace opening or adding a refined electric fireplace to a compact room, the Redstone RS 2621 offers a balanced combination of comfort, convenience, and timeless fireplace style.
Before you buy
Resideterra supplies the fireplace; installation is arranged by you or your contractor. Electrical, gas or plumbing work should be completed by a licensed trade in line with the manufacturer installation manual and your local code. We do not provide installation labor.
Orders are processed in 1–3 business days. After shipment, standard transit is typically 2–7 business days. Shipping is free on U.S. orders of $100 or more; orders from $0.01–$99.99 have a $14.99 shipping charge. Tracking is emailed as soon as the order ships. Large items may arrive by freight: the carrier will contact you to schedule delivery, and an adult signature is required. Inspect all packaging before signing and note any visible damage on the delivery receipt.
Warranty coverage is provided by the manufacturer and is stated in the product documentation. For claims or questions, contact us at sales@resideterra.com or +1-888-989-1337 (Mon-Sat, 9:00 AM - 6:00 PM EST).
Eligible standard items may be returned within 30 days when unused, unassembled and in their original packaging. Return authorization is required before sending anything back. Customer-requested returns may be subject to return shipping and restocking fees. Freight, custom, made-to-order and brand-restricted products may have different or final-sale terms, so confirm eligibility with our team before ordering if you are uncertain.
Technical library
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