Modern Flames Electric Fireplace Comparison Guide
A side-by-side analysis of six Modern Flames electric fireplace families — installation, heating, controls, sizing and specs from official manuals.
Introduction
What this guide covers and how to use it
This comparison guide analyzes six Modern Flames electric fireplace model families based on manufacturer documentation. The guide is for buyers evaluating installation options, heating requirements, size constraints, and control preferences across Modern Flames product lines.
The information presented is extracted exclusively from official installation manuals and owner's guides. Where manufacturer documentation does not specify certain attributes, this guide states “Not specified by manufacturer” rather than making assumptions.
This guide helps with these decisions:
- Which model families offer your required installation type (built-in, insert, wall-mount, or recessed)
- Which models meet your heating output needs (ranging from 5,000 to 10,000 BTUs)
- Which families include specific control methods (remote, touch panel, or app connectivity)
- Which model is approved for outdoor installation versus indoor-only use
- What electrical requirements each family demands (15 Amp versus 20 Amp breakers)
The guide presents factual distinctions between model families without ranking or recommendations. Selection guidance is framed as use-case matching rather than superiority claims. All specifications are presented in comparative tables where multiple models share attributes.
Understanding Modern Flames Model Families
Six families, each with multiple size options
Modern Flames organizes its electric fireplace products into model families. Each family includes multiple size options identified by specific model numbers. The following descriptions are from Modern Flames product documentation.
Landscape Pro Multi Linear
Orion Multi
Orion Slim
Spectrum Slimline
Installation Type Comparison
Based on installation types stated in each family’s manual
| Installation Type | Redstone Traditional | Landscape Pro Multi | Orion Multi | Orion Slim | Orion Traditional | Spectrum Slimline |
|---|---|---|---|---|---|---|
| Built-In | ✓ | ✓ | ✓ | — | ✓ | — |
| Insert | ✓ | — | — | — | ✓ | — |
| Wall-Mount | — | ✓ | ✓ | ✓ | — | ✓ |
| Recessed | — | ✓ | Partial | ✓ | — | ✓ |
Landscape Pro Multi Offers the Most Built-In Configurations
The Landscape Pro Multi Linear supports multiple built-in configurations: 3 Sided Installation (Bay), Fully Recessed Left/Right Corner, Fully Recessed Single Sided, Half Recessed, and Suite Wall Mount & Recessed Cabinet Installation.
Built-In Installation Details
Four model families specify built-in installation: Redstone Traditional, Landscape Pro Multi Linear (with multiple configurations including 3 Sided/Bay, Fully Recessed Left/Right Corner, Fully Recessed Single Sided, and Half Recessed), Orion Multi, and Orion Traditional.
Orion Slim and Spectrum Slimline do not specify built-in installation in manufacturer documentation.
Insert Installation Details
Two model families specify insert installation: Redstone Traditional and Orion Traditional. All other families do not include insert installation in manufacturer documentation.
Wall-Mount Installation Details
Four model families specify wall-mount installation: Landscape Pro Multi Linear (Suite Wall Mount & Recessed Cabinet Installation), Orion Multi, Orion Slim, and Spectrum Slimline.
Redstone Traditional and Orion Traditional do not include wall-mount installation in manufacturer documentation.
Recessed Installation Details
Four model families specify recessed installation: Landscape Pro Multi Linear (multiple recessed configurations), Orion Multi (partial recess), Orion Slim, and Spectrum Slimline.
Redstone Traditional and Orion Traditional do not include recessed installation in manufacturer documentation.
Size Range Breakdown
Model numbers and size configurations from manufacturer documentation
Traditional Style Models
Linear / Slim Profile Models
How to Read Model Numbers
Model numbers indicate width measurements in inches. For example, OR52-MULTI indicates a 52-inch configuration, while LPM-12016V2 indicates a 120-inch configuration. Specific dimensional specifications including height and depth vary by model family and are detailed in manufacturer installation manuals.
Heating Capabilities
From specifications stated in manufacturer manuals
Standard 120V Heating — All Models
All Six Families: AC 120V • 1,465W • 5,000 BTUs
Every model family in this guide provides AC 120V 60Hz 1465W (5,000 BTUs) as the standard heating specification.
Higher Output / Dual Voltage Options
Three model families include specifications for higher heating output:
Redstone Traditional, Orion Slim, and Spectrum Slimline do not include higher output specifications in manufacturer documentation.
Supplemental Heat Notice
All Models — Supplemental Heat Only
All six model families include the same restriction: “This product is not intended to be a primary heat source. It is for supplemental heat only.” No model family is designated as a primary heat source.
Control Methods
From specifications stated in manufacturer manuals
| Control Method | Redstone Trad. | Landscape Pro | Orion Multi | Orion Slim | Orion Trad. | Spectrum Slim. |
|---|---|---|---|---|---|---|
| Remote Control | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Touch Control Panel | — | — | ✓ | ✓ | ✓ | — |
| App / Smart Device | — | — | ✓ | ✓ | ✓ | — |
Remote Control: All six families include a remote control. Landscape Pro Multi Linear additionally includes CR2032 Battery and Battery Tool.
Touch Control Panel: Available on Orion Multi (upper right corner of fireplace), Orion Slim, and Orion Traditional (upper right corner of fireplace). Not specified for Redstone Traditional, Landscape Pro Multi Linear, and Spectrum Slimline.
App Control: Orion Multi and Orion Traditional include “Modern Flames APP (smart phone or tablet).” Orion Slim includes “Modern Flames App (smart phone).” Not specified for the remaining three families.
Indoor vs. Outdoor Use
Use restrictions from manufacturer manuals
Landscape Pro Multi Linear — Approved for Indoor and Outdoor Use
“The LPM Series electric fireplaces from Modern Flames LLC have been tested and approved for installation outdoors under a patio cover and away from direct water contact or direct sun light.”
Outdoor installation requirements:
- • Patio roof overhang must be 50% (or more) of the height of the patio roof from bottom of fireplace
- • Side distance (SD) must be 50% (or more) of the height (H)
- • Base of fireplace must be 2” (minimum) above floor
“Modern Flames LLC standard warranty applies if installed per instructions. Outdoor installations other as defined in the manual void warranty.”
All Other Models — Indoor Use Only
Redstone Traditional, Orion Multi, Orion Slim, Orion Traditional, and Spectrum Slimline all state: “INDOOR use only! NEVER use this heater outdoors! Doing so may result in electric shock!”
Power & Electrical Requirements
From specifications stated in manufacturer manuals
Breaker Requirements
| Requirement | Redstone Trad. | Landscape Pro | Orion Multi | Orion Slim | Orion Trad. | Spectrum Slim. |
|---|---|---|---|---|---|---|
| Breaker | 15A | 20A | 20A 2-pole | 20A | 20A | 15A |
| Standard Voltage | 120V | 120V | 120V | 120V | 120V | 120V |
| Higher Voltage Option | — | 240V | ✓ | — | 220~240V | — |
15 Amp Breaker: Redstone Traditional and Spectrum Slimline require “a dedicated 15 Amp (or higher) breaker.”
20 Amp Breaker: Landscape Pro Multi Linear, Orion Slim, and Orion Traditional require “a dedicated 20 Amp (or higher) breaker.” Orion Multi requires “a dedicated 20 Amp (or higher), 2-pole (for 10,000 BTU’s), circuit breaker.”
Voltage Options: Landscape Pro Multi Linear includes “Optional AC 240V 2930W” rated “10,000 BTUs capable.” Orion Multi specifies 2,930W / 10,000 BTU capability. Orion Traditional includes 220~240V for models OR36-TRAD, OR42-TRAD, and OR54-TRAD only.
Included Components
From manufacturer manuals
Media and Decorative Elements
| Model Family | Included Media |
|---|---|
| Redstone Traditional | Driftwood Logs, Small glacier crystals |
| Landscape Pro Multi | Canyon Driftwood Logs Set, Smoke Acrylic Crystals Pkg, Clear Acrylic Stones Pkg |
| Orion Multi | Crushed Glass, Driftwood Logs |
| Orion Slim | Crushed Glass, Driftwood Logs |
| Orion Traditional | Log Set, Crushed Glass Media |
| Spectrum Slimline | Small glacier crystals, Log set |
Installation Hardware
| Model Family | Included Hardware |
|---|---|
| Redstone Traditional | Screw cover, Trim kit (x4), Hardware Kit (x4), Screws C (x8), Screws H 1 5/8” (x4) |
| Landscape Pro Multi | Screws (6), Metal Side Panels (2), L-Metal Mounting Brackets (2-4), 1 Piece Trim Kit |
| Orion Multi | Screws (Long), Drywall Anchor, Screws (Short), Wall Mount Bracket, Drywall Stop, Decorative Side Cover Plate |
| Orion Slim | Screws (Long), Drywall Anchor, Screws (Short), Side Skirt, Wall Mount Bracket, Strain Relief, Cover Plate |
| Orion Traditional | Installation Screws, Screw Covers, Power Cover, Power Grommet |
| Spectrum Slimline | Screws (Long), Drywall anchors, Screws (short), Cable Connector, Side Skirt, Wall Bracket, Cover Plate, Metal bracket for wall recessed, “L” shape bracket |
Electrical and Control Components
All six model families include a remote control. Landscape Pro Multi Linear additionally includes CR2032 Battery and Battery Tool.
Safety Requirements and Restrictions
From statements in manufacturer manuals
Universal Safety Restrictions (All Six Families)
Extension Cord Prohibition
“NEVER use with an extension cord or relocatable power tap (outlet/power strip).”
Wall Mount Bracket Restriction
“NEVER use a wall mount bracket from another manufacturer.”
Glass Panel Warning
“This product includes a GLASS panel. Always use extreme caution when handling glass. Failure to do so could result in personal injury or property damage.”
Disconnection Requirement
“ALWAYS disconnect this unit from the power supply before performing any assembly, cleaning, or before relocating the electric fireplace.”
Storage Requirement
“ALWAYS store this heater in a dry location.” Five model families add: “NEVER use the fireplace if it has become wet.”
Clearance Requirements
| Clearance | Redstone Trad. | Orion Trad. | Spectrum Slim. |
|---|---|---|---|
| Bottom | 0” | 0” | 0” |
| Sides | 0” | 0” | 0” |
| Back | 0” | 0” | 0” |
| Top to Mantel | — | 11.8” (300mm) | 11.8” (300mm) |
| Top to Ceiling | — | 11.8” (300mm) | 11.8” (300mm) |
| Top to TV | — | 11.8” (300mm) | — |
Clearance requirements are not specified by manufacturer for Landscape Pro Multi Linear, Orion Multi, and Orion Slim.
Model Selection Guide
Match your requirements to the right model family
Complete Specifications Table
All attributes compared side by side
| Attribute | Redstone Traditional | Landscape Pro Multi | Orion Multi | Orion Slim | Orion Traditional | Spectrum Slimline |
|---|---|---|---|---|---|---|
| Installation & Design | ||||||
| Installation Types | Built-in, Insert | Built-in (3 Sided/Bay, Fully Recessed L/R Corner, Fully Recessed Single, Half Recessed), Suite Wall Mount & Recessed Cabinet | Built-in, Wall-mount, Partial recess | Wall-mount, Recessed | Built-in, Insert | Wall mount, Recessed |
| Design Style | Traditional | Not specified | Not specified | Not specified | Traditional | Not specified |
| Indoor / Outdoor | Indoor only | Indoor & Outdoor | Indoor only | Indoor only | Indoor only | Indoor only |
| Size Configurations | ||||||
| Available Sizes | RS-2621, RS-3021, RS-3626, RS-4229, RS-5435 | LPM-4416V2, LPM-5616V2, LPM-6816V2, LPM-8016V2, LPM-9616V2, LPM-12016V2 | OR52-MULTI, OR60-MULTI, OR76-MULTI, OR100-MULTI, OR120-MULTI | OR52-SLIM, OR60-SLIM, OR76-SLIM, OR100-SLIM | OR26-TRAD, OR30-TRAD, OR36-TRAD, OR42-TRAD, OR54-TRAD | SPS-50B, SPS-60B, SPS-74B, SPS-100B |
| Heating & Power | ||||||
| Standard Output | 120V 1465W (5,000 BTU) | 120V 1465W (5,000 BTU) | 120V 1,465W (5,000 BTU) | 120V 1465W (5,000 BTU) | 120V 1,465W (5,000 BTU) | 120V 1465W (5,000 BTU) |
| Higher Output | — | 240V 2930W (10,000 BTU) | 2,930W (10,000 BTU) | — | 2,500W (8,300 BTU) on OR36/42/54 only | — |
| Breaker | 15A dedicated | 20A dedicated | 20A 2-pole dedicated | 20A dedicated | 20A dedicated | 15A dedicated |
| Primary Heat Source | No — supplemental only | No — supplemental only | No — supplemental only | No — supplemental only | No — supplemental only | No — supplemental only |
| Controls | ||||||
| Remote Control | Included | Included | Included | Included | Included | Included |
| Touch Panel | — | — | Yes (upper right) | Yes | Yes (upper right) | — |
| App Control | — | — | Phone & Tablet | Phone | Phone & Tablet | — |
| Safety | ||||||
| Extension Cord | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| 3rd Party Bracket | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| Glass Panel | Yes | Yes | Yes | Yes | Yes | Yes |
Frequently Asked Questions
Common questions about Modern Flames electric fireplaces
Can any of these fireplaces be used as a primary heat source?
No. All six model families state in manufacturer documentation: “This product is not intended to be a primary heat source. It is for supplemental heat only.”
Which models are approved for outdoor installation?
Only Landscape Pro Multi Linear states “Approved for Indoor and Outdoor Use.” The manual specifies: “The LPM Series electric fireplaces from Modern Flames LLC have been tested and approved for installation outdoors under a patio cover and away from direct water contact or direct sun light.” All other model families state “INDOOR use only! NEVER use this heater outdoors!”
Do all models include remote controls?
Yes. All six model families include remote controls: Redstone Traditional, Landscape Pro Multi Linear, Orion Multi, Orion Slim, Orion Traditional, and Spectrum Slimline.
Which models support app-based control?
Three model families include app control: Orion Multi includes “Modern Flames APP (smart phone or tablet),” Orion Slim includes “Modern Flames App (smart phone),” and Orion Traditional includes “Modern Flames APP (smart phone or tablet).” App control is not specified by manufacturer for Redstone Traditional, Landscape Pro Multi Linear, and Spectrum Slimline.
What electrical breaker is required?
Breaker requirements vary by model family. Redstone Traditional and Spectrum Slimline require a dedicated 15 Amp (or higher) breaker. Landscape Pro Multi Linear, Orion Slim, and Orion Traditional require a dedicated 20 Amp (or higher) breaker. Orion Multi requires a dedicated 20 Amp (or higher), 2-pole (for 10,000 BTU’s), circuit breaker.
Can any model be installed as an insert?
Two model families specify insert installation: Redstone Traditional and Orion Traditional. Insert installation is not specified by manufacturer for Landscape Pro Multi Linear, Orion Multi, Orion Slim, and Spectrum Slimline.
Are extension cords allowed?
No. All six model families prohibit extension cord use. The stated restriction is “NEVER use with an extension cord or relocatable power tap (outlet/power strip).”
Which models offer higher heating output above 5,000 BTUs?
Three model families specify higher output capability. Landscape Pro Multi Linear includes Optional AC 240V 2930W (10,000 BTUs Capable). Orion Multi includes 2,930W 10,000 BTU’s capability. Orion Traditional includes 2,500W 8,300 BTU’s capability for models OR36-TRAD, OR42-TRAD, and OR54-TRAD only, with 220~240V option available for these three models.
Can I use a wall mount bracket from another manufacturer?
No. All six model families state “NEVER use a wall mount bracket from another manufacturer.”
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