Forge & Flame Accentra52i-TC 20" Pellet Fireplace pellet fireplace

Forge & Flame Accentra52i-TC 20" Pellet Fireplace Pellet Fireplace

Pellet Fireplace · Powered by Harman Technology

Forge & Flame Accentra52i-TC 20" Pellet Fireplace

Heritage: Harman

Two blowers and smart controls, built into a wall with no fireplace.

Heating Capacity1,250–2,500 sq ft
Efficiency76% (weighted average, higher heating value)
Hopper Size47.5 lb
FuelPellet
ControlsEasy Touch control panel with a wireless room sensor
FanIncluded

Figures per the manufacturer. Real-world results depend on your home, fuel, and install.

Not every dealer carries every model. We'll show you what's available near you, the local dealers who can help, and a free Project Guide you can take to any dealer.

See the Accentra52i-TC 20" Pellet Fireplace on the manufacturer's site: forgenflame.com/products/harman-accentra-52i-tc-pellet-fireplace-insert ↗

On This Page

  1. Who It's For
  2. What Makes It Special
  3. Possible Downsides
  4. Manuals and Documents
  5. Frequently Asked Questions

Who It's For

A pellet insert is a great heater, but it needs an existing fireplace to slide into, and plenty of homes don’t have one. You need pellet heat that builds into a wall. The Forge & Flame Accentra52i-TC 20-inch, powered by Harman technology, comes with its zero-clearance box, so it installs in a framed wall with no masonry fireplace behind it. It is for the larger room or open floor plan where one blower would leave the far side cool. Choose a freestanding stove and you give up floor space; choose this and the heat comes from the wall.

What Makes It Special

Two distribution blowers do the work here. Twin blowers push warm air farther into the room, so the far corner feels the fire and not just the couch in front of it. PelletPro technology lets it burn any grade of pellet.

Harman rates it to heat 900 to 2,600 square feet; in most homes, expect 1,250–2,500 sq ft, depending on climate and layout.

It is also built for low upkeep. Harman says the Accentra52i-TC needs up to 50% less maintenance than other pellet inserts, the Easy Touch control shows cleaning prompts and a fuel gauge, and the tinted hopper lid shows the fuel level at a glance. Flame-reactive mirrored glass looks like a dark mirror when the fire is off.

The zero-clearance box comes in the package, so it builds into a framed wall and finishes with tile or stone. Pick matte black or porcelain Majolica Brown.

Possible Downsides

If you need built-in pellet heat that reaches across a big room, the Forge & Flame Accentra52i-TC 20-inch is the right decision. The whole room warms evenly, and nobody fights over the seat by the fire.

Choose matte black or Majolica Brown, then add a ceramic log, a surround extension, a flue rough-in support kit, a service rail kit, or a damper block-off plate.

Manuals and Documents

Documents open on the manufacturer's website. Your installer follows the manual for your exact install.

Frequently Asked Questions

Can I get the Forge & Flame Accentra52i-TC 20-inch Pellet Fireplace if I don't have a fireplace?

Yes, that's what this version is for. The Forge & Flame Accentra52i-TC 20-inch Pellet Fireplace, powered by Harman technology, comes packaged with its zero-clearance box, so it builds into a framed wall with no masonry fireplace behind it and finishes with tile or stone.

How much area will the Accentra52i-TC Pellet Fireplace heat?

In most homes, expect it to heat 1,250–2,500 square feet, depending on climate and layout. It's rated 76% efficient as a weighted average on the higher heating value and is certified to the 2020 EPA particulate standard at 1.1 grams per hour.

How is the Accentra52i-TC vented when it's built into a wall?

Once the zero-clearance cabinet is in, it vents with 4-inch type PL pellet pipe, wall pass-throughs, and terminations, either out an exterior wall or up through the roof. Flex pipe isn't approved for this installation, and outside air uses kit #1-00-574350.

Why does the Accentra52i-TC have two blowers?

Twin distribution blowers push warm air farther into the room, so the far corner feels the fire and not just the seat in front of it. That makes it a good fit for a larger room or open floor plan where one blower would leave the far side cool.

How hard is the Accentra52i-TC to maintain?

Harman says it needs up to 50% less maintenance than other pellet inserts, and PelletPro technology lets it burn any grade of pellet. The Easy Touch control shows cleaning prompts and a fuel gauge, and a wireless room sensor that works from up to 30 feet away holds your set temperature.

Will the Accentra52i-TC Pellet Fireplace run during a power outage?

No, its blowers and controls run on household electricity. A tested TrippLite INTERNET750U UPS handles a safe shutdown only, while an approved inverter/charger with a 12-volt deep-cycle battery can run it for up to eight hours.

How many pellets does the 20-inch Accentra52i-TC hold?

The 20-inch hopper holds 47.5 pounds, and a tinted hopper lid shows the fuel level at a glance. If you want fewer refills, the 24-inch version holds 64.5 pounds.

What finishes and add-ons are available for the Accentra52i-TC Pellet Fireplace?

Pick matte black or porcelain Majolica Brown, both with flame-reactive mirrored glass that looks like a dark mirror when the fire is off. You can add a ceramic log, sold separately, plus a surround extension, a flue rough-in support kit, a service rail kit, or a damper block-off plate.

The Harman Story

Harman was founded by Dane Harman, a welder, who built his first stove in 1978 and started Harman Stove and Welding beside his home in Halifax, Pennsylvania, in 1979. Its pellet stoves grew out of a patented coal stoker, with a bottom-feed burn pot that pushes ash out and a probe that feeds by temperature. Hearth & Home Technologies bought Harman in 2007, and since 2023 its stoves have been sold under the Forge & Flame name, “Powered by Harman Technology.”

Read the full Harman story →

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Not every dealer carries every model. We'll show you what's available near you, the local dealers who can help, and a free Project Guide you can take to any dealer.

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Forge & Flame and Harman are trademarks of Hearth & Home Technologies. Find My Fireplace is independent and not affiliated with or endorsed by Forge & Flame or Hearth & Home Technologies. Product details are drawn from the manufacturer's published brochures and manuals; our evaluations are our own.

Product images may be computer renderings; confirm finishes and options before purchase.