Modern Flames Electric Fireplaces: Which Series Is Right for You? (2026)

By the Outdoor Heat Direct fire feature team · Authorized Modern Flames dealer · Reviewed September 2026

Which Modern Flames electric fireplace series are still in production in 2026?

Modern Flames currently publishes six fireplace lines on its own site: Nova Clear, Orion (Traditional, Multi and Slim, all now in V2), Redstone, Landscape Pro (Multi and Slim), Spectrum Slimline, and Sedona Pro Multi. Two names you will still see quoted by dealers need clearing up.

Landscape Pro MultiView is not a separate series. It is the older marketing name for what is now called Landscape Pro Multi — same LPM-4416, LPM-5616, LPM-8016 part numbers. Same firebox.

Challenger is a different story. Modern Flames has removed the Challenger product page from its site and the series no longer appears in the current lineup. The CEF-50B and CEF-60B are still sellable inventory — we have both — but treat them as run-out stock. Check our manuals and guides page before you spec one into a build.

Which Modern Flames fireplaces are actually approved for outdoor use?

This is the question that matters most on a covered patio, and the answer is narrower than most product pages suggest.

Modern Flames publishes an outdoor-rated assertion letter naming exactly 16 model numbers that "have passed outdoor testing as described in UL 2021 and are considered Outdoor Rated by Intertek." The standard is UL 2021:2015 Ed.4+R:14Dec2016, Fixed And Location-Dedicated Electric Room Heaters, from an Intertek report dated December 12, 2022:

• Landscape Pro Slim: LPS-4414V2, LPS-5614V2, LPS-6814V2, LPS-8014V2, LPS-9614V2
• Landscape Pro Multi: LPM-4416V2, LPM-5616V2, LPM-6816V2, LPM8016V2, LPM-9616V2, LPM-12016V2
• Sedona Pro Multi: SPM-2426V2, SPM-3026V2, SPM-3626V2, SPM-4226V2, SPM-5426V2

Everything else is indoor only, and the manufacturer says so in blunt language. The Orion Multi and Orion Traditional V2 manuals both read: "INDOOR use only! NEVER use this heater outdoors! Doing so may result in electric shock!" The Redstone manual says do not use outdoors. The Spectrum Slimline manual says the same. Challenger is listed indoor only by every dealer spec sheet we checked.

What does Modern Flames require for an outdoor patio installation?

Being outdoor-rated does not mean weatherproof. The LP Series outdoor installation requirements document is specific, and it is short enough that installers skim it and miss things.

• Installation must be "outdoors under a patio cover and away from direct water contact or direct sun light." No open-sky installs. No west-facing wall in full afternoon sun.
• Overhang: "Patio roof overhang must be 50% (or more) of the height of the patio roof from bottom of fireplace." A 10 ft roof above the firebox needs at least 5 ft of overhang in front of it.
• Side protection: "Side distance (SD) must be 50% (or more) of the height (H)." The same half-the-height rule applies laterally.
• Base clearance: minimum 2 in. above the finished floor, so splash and standing water stay out of the firebox.
• Wiring: "All electrical wiring shall be to local building codes," and Modern Flames tells you to "consult professional installers before installation."

Get those right and the letter is explicit that "Modern Flames LLC standard warranty applies if installed per instructions." Get the overhang wrong and you are outside the instructions, which is the same place the dampness exclusion lives.

Modern Flames does not publish an ambient operating temperature range for the Landscape Pro series in the manuals we reviewed. If you are installing in a climate that swings below freezing for long stretches, ask us and we will get it from the factory rather than guess.

How much heat does a Modern Flames electric fireplace really put out?

Here is the number nobody in this category likes to lead with. A standard Modern Flames heater is 1,465 watts on AC 120 V / 60 Hz, which the manuals rate at 5,000 BTU/hr. That is the same heater in the Landscape Pro Slim, the Landscape Pro Multi, the Redstone, the Spectrum Slimline and the base configuration of every Orion.

Some models can go higher. The Landscape Pro Multi and Orion Multi are "2,930 W, 10,000 BTU's capable" — but only on a dedicated 220–240 V circuit. The Orion Traditional V2 tops out at 2,500 W / 8,300 BTU, and the 220–240 V option is available on the OR36, OR42 and OR54 only.

Now the comparison that actually settles patio decisions. A real gas fire feature in our catalog, The Outdoor Plus Sedona Copper Fire & Water Bowl, is rated 65,000 BTU/hr. Its sibling fire bowl is 40,000 BTU/hr.

Multiples are our own arithmetic from the rated BTU figures in each manufacturer's published specs.

Thirteen times. That is the honest gap. A 5,000 BTU electric fireplace is not patio heating — it is ambiance with a courtesy warm-up, roughly the output of a small space heater. On an open deck in 45°F air, you will see the flame and feel almost nothing beyond three or four feet.

So use each one for what it is. If the goal is the room feels finished and the wall looks like a fireplace, on a sheltered outdoor kitchen or a three-season room, Landscape Pro is the right tool and it needs no gas line, no venting and no flue. If the goal is people stay outside in October, you want combustion or serious electric infrared: browse outdoor fire pits for radiant heat you can actually feel, or our outdoor heater listings for overhead infrared that pushes heat down onto a seating area. Plenty of our customers buy both — a Landscape Pro on the wall for the look, a fire table in the middle for the warmth.

What is the difference between Heliovision and a standard LED flame?

Every Modern Flames fireplace outside the Orion line uses 12 V LED lamps plus a 12 VDC stepper motor driving a physical flame element, with adjustable colors, speed and brightness. That is what you get in the Landscape Pro, Sedona Pro, Redstone, Spectrum Slimline and Challenger.

Orion is different. Modern Flames calls it Heliovision and markets the Orion as a "virtual electric fireplace." Rather than a lit ribbon, it projects a recorded flame image into the firebox; the brand's stated advantage is that Heliovision "ensures consistent image quality from any viewing angle," which is the classic weakness of projected flame. It wants a deeper cavity to do it.

That depth is the trade. An Orion Slim is 6 in. deep with a 15 in. viewing height; an Orion Multi is 9 in. deep with 18 in. of viewing. A Spectrum Slimline is 4 in. deep. If you have a 2x4 wall and no room to bump out, the projection lines are not on the table.

Landscape Pro Slim or Landscape Pro Multi — which one fits your wall?

Both are outdoor-rated, both slide in or wall mount, both run the same 1,465 W heater. The difference is depth, viewing height and sidedness.

Sizes and depths from Modern Flames spec sheets and Outdoor Heat Direct product listings. Viewing heights are nominal; confirm the exact rough opening from the model-specific sheet before framing.

Practical rule: framing a 2x6 wall and want the cleanest face, take the Slim. Outdoor kitchen island or peninsula seen from two or three sides, take the Multi. Want maximum flame height in a short run, the Sedona Pro Multi gives 26 in. of viewing in a 30–42 in. width, which no linear model does.

What electrical circuit does each Modern Flames series need?

Get this wrong and the unit trips breakers or the electrician has to come back. The manuals are specific.

Clearances are generous on the linear models: Redstone and Spectrum Slimline both list 0 in. at the bottom, sides and back, with 11.8 in. (300 mm) to a mantel or ceiling above. Every manual also carries the standing rule to keep furniture, bedding, papers and curtains at least 3 ft (0.9 m) from the front of the heater. If you are planning a TV above the unit, pull the exact model sheet from our manuals library — mantel depth changes the answer.

What does a Modern Flames electric fireplace cost at Outdoor Heat Direct?

These are live prices from our catalog, not manufacturer list. We carry 169 Modern Flames SKUs including trim kits, log sets, mantels and screens.

Prices current as of September 2026 and subject to change. Accessories run separately: 5-piece Landscape Pro Multi trim kits from $111.60, TruWood timber log sets from $250, Studio Suite floating mantel sets from $1,250, invisible non-glare mesh screens from $170.

If you are comparing linear fireboxes across brands, our linear fire feature collection puts the electric and gas options side by side. Larger builds can be spread over payments through our financing options.

What does the Modern Flames warranty actually cover?

The published Modern Flames limited warranty covers products "free from defects in materials and workmanship," and the term depends on one action you have to remember to take:

• 2 years if the product is not registered.
• 5 years from date of purchase when the owner registers the product.
• 1 year on integrated screens.
• One (1) year of coverage from time of purchase for the labor credit.

Register the unit. The difference between 2 and 5 years is a form.

Coverage is void for damage from improper installation or non-compliance with the instructions, for power surge or damaged breaker or outlet, for unauthorized modification or repair, for products "subjected to prolonged periods of dampness or condensation," and for "any product not listed for outdoor use that is installed outdoors." Consumable service parts and normal wear are excluded.

One honest gap: outside the Intertek outdoor-rated assertion, the Modern Flames manuals we reviewed do not print a UL, ETL or CSA listing mark in the specification tables — they reference FCC Part 15 Class B compliance for the wireless module. If your permit office needs a listing number on paper for a specific model, ask us and we will request it from the factory rather than quote something we cannot see.

Which Modern Flames series is right for you?

Covered outdoor kitchen or three-season room: Landscape Pro Slim if the wall is shallow, Landscape Pro Multi if it is seen from more than one side, Sedona Pro Multi if you want tall flame in a narrow width. These are the only three series you should be considering outdoors.

Indoor great room where the flame has to sell it: Orion Multi or Orion Slim. The Heliovision projection is the most convincing effect Modern Flames makes, and the price reflects that.

Replacing a masonry firebox: Redstone as an insert, or Orion Traditional V2 if the budget allows. Both slide into an existing opening; Redstone plugs in, which saves an electrician visit.

Tight budget, shallow wall, indoor: Spectrum Slimline at 4 in. deep, or Challenger while stock lasts.

Who Modern Flames is not for: anyone expecting an electric fireplace to heat an open patio. It will not. Buy gas for that.

Worth adding to any order: a wall control or remote, and if the install is on a patio that gets seasonal shutdown, a protective cover for the surrounding cabinetry.

Modern Flames electric fireplace FAQs