Clean lines, gentle curves, and modern technology meet with the AP5780E. This slim line pellet stove is designed to fit into tighter spaces yet produces the same amount of heat as a full size pellet stove, heating up to 2,200 sq. ft. with up to 48,000 BTUs. The all digital control system comes with a temperature readout and a remote control for simple adjustments, and a 46 lb. hopper provides up to 32 hours of burn time between fillings. The advanced AURORA diverse airflow burner system provides a beautiful flame and an unmatched increase in airflow and heat output. This stove is a show piece with its curved black sides and flat black accents. Pellet heaters work by using a software driven control board to precisely deliver a pre-determined amount of fuel from the hopper into a burn chamber, with an electric heating element used only at startup to ignite the pellets. The combustion blower forces air through the burn chamber for active combustion resulting in very little ash, while a variable speed room blower gathers the heat and distributes it through the room. The AP5780E exceeds 75% efficiency and qualifies for the 30% IRS Sec. (25C) Residential Energy Tax Credit, and it's backed by a limited lifetime firebox warranty with 1 year coverage on other parts and electrical components.

How The Ashley AP5780E Compares To The Ashley AP5660 Bayfront Pellet Stove

Homeowners evaluating how to add pellet stove heat to their home usually face this question: should I choose the AP5660 for a wide bay front, panoramic flame view, or select this AP5780E for a slim, space-saving design that fits into tighter rooms while matching the same heat output.

Here's the honest comparison:

Feature Ashley AP5660 Bayfront Pellet Stove Ashley AP5780E Slim Pellet Stove
Footprint Standard footprint, wide bay front design Slim line design built to fit into tighter spaces
Heat Output Up to 48,000 BTUs, up to 2,200 sq. ft. Up to 48,000 BTUs, up to 2,200 sq. ft.
Hopper Capacity 45 lb. hopper 46 lb. hopper, up to 32 hours of burn time between fillings
Viewing Design Wide bay front glass for a panoramic flame view Standard front glass with curved black sides and flat black accents
Controls Electronic controls, auto ignition All digital control system with temperature readout and remote control
Aesthetic Extras Faux log set and brick fireplace backer for a traditional fireplace look Clean lines and gentle curves for a modern, showpiece appearance
Tax Incentive Efficiency varies by model Exceeds 75% efficiency and qualifies for the 30% IRS Sec. (25C) Residential Energy Tax Credit
Best Suited For Rooms with space for a wide bay front, traditional fireplace look Tighter spaces wanting the same heat output in a slimmer, more modern footprint

Why The Ashley AP5780E Is Worth The Investment

This isn't just another pellet stove, it's a genuinely space-saving design, giving homeowners in tighter rooms the same 48,000 BTU heat output as a full-size pellet stove without needing the extra footprint a bay front model requires.

The AP5780E specifically addresses the needs of homeowners with limited installation space who still want full heating capacity up to 2,200 sq. ft., along with remote control convenience and a modern, showpiece design.

Turns A Tight Footprint Into Full-Size Heating Power. This slim line pellet stove is designed to fit into tighter spaces yet produces the same amount of heat as a full size pellet stove, so homeowners don't have to sacrifice heating capacity to fit the stove into a smaller room.

Built For Efficient, Clean-Burning Heat

  • Provides up to 48,000 BTUs of heat for spaces up to 2,200 sq. ft.
  • The AURORA diverse airflow burner system delivers a beautiful flame with improved airflow and heat output
  • Exceeds 75% efficiency and qualifies for the 30% IRS Sec. (25C) Residential Energy Tax Credit

Engineered For Everyday Convenience

  • An all digital control system with a temperature readout and remote control makes adjustments simple
  • A 46 lb. hopper provides up to 32 hours of burn time between fillings
  • A variable speed room blower distributes heat evenly throughout the room

Real Savings

  • Qualifying for the 30% IRS Sec. (25C) Residential Energy Tax Credit can meaningfully offset the purchase cost
  • A larger 46 lb. hopper reduces the frequency of refueling compared to smaller-hopper pellet stoves
  • A limited lifetime firebox warranty reduces the risk of costly replacement on the stove's core component
  • Free shipping and no sales tax through Summit Forge Supply keeps the total cost down compared to buying elsewhere and paying tax and freight separately

The Bottom Line Homeowners with tighter installation spaces who still want full-size pellet stove heating output can't get the same combination from a wider bay front model like the AP5660. The Ashley AP5780E is built with a slim, space-saving design, a 46 lb. hopper, and up to 48,000 BTUs of clean heat, so it delivers full heating capacity without the larger footprint. For anyone fitting a pellet stove into a tighter room without giving up heat output, this is the stove built to make it work.

Features


  • Up to 2,200 sq ft
  • Up to 46 lbs hopper capacity
  • Up to 32 hrs on lowest setting
  • Remote
  • 75% efficient with the new Aurora engine
  • Infrared remote control allows you to make adjustments from your recliner
  • Top mounted, digital controls with temperature readout for easy access and adjustment
  • Removable side panels for easy maintenance access
  • 46 lb hopper provides up to 32 hours (lowest setting) of use between fillings

Additional information

Weight 205 lbs
Dimensions 30.7 × 24.4 × 40.9 in

 

Do you have videos on Pellet Stove Repairs?

Yes, please use this link to see the full list of repair videos Pellet Stove Repair Videos

Can I install a wall thermostat?

Yes, however, it must be a wired thermostat.  The control boards do not accept wireless or smart thermostats.

Is there another model that ends in “W”? What the difference?

The models ending in W has Wi-Fi capabilities. This allows you to control the stove using the USSC App. The model without the W comes with a remote control that works with an IR sensor on the stove.

Can it exhaust through the ceiling?

Yes, it can be exhausted through the ceiling. Refer to the owners manual with installation recommendations.

Do you offer installation?

We recommend using an NFI Certified Installer.

Will my stove shut off when the desired temperature is met in T-Stat mode?

No.  These control boards are designed to be a High/Low thermostat mode rather than an ON/OFF.  This means that the control board will operate between heat range 1 and the setting that the control board is set to.  For example, if you have the control board set on heat range 3 and are running the stove in T-Stat mode the heater will run on heat range one any time that the temperature is sufficed, and it will run up to setting 3 anytime the thermostat is calling for heat.  If the Thermostat isn’t calling for heat, the stove will still run on the lowest setting, so this means that it is possible that it can exceed the setpoint temperature.

Why is my Wi-Fi control board flashing all the time?

This is likely due to the hopper fuel sensor. This is intended to indicate that the hopper fuel is getting low, however, this can also mean that the sensor just needs to be recalibrated.  This is a simple task.  You will just need a small flat head screwdriver to turn the small brass screw on the fuel sensor located on the back of the hopper.  Turn it clockwise slowly until the control board stops flashing when there are pellets in the hopper.

How often should I shut the stove down and clean the burn pot out?

This depends on how often you are running the stove.  It is recommended that the burn pot be emptied and cleaned before each ignition.  The burn pot should be inspected daily if you are continually using it to see if it needs to be cleaned.

What type of pellets should I be using?

We recommend only using PFI certified premium hardwood pellets.

Can I burn corn, coffee pellets, or other fuels in my pellet stove?

No. These stoves are designed and tested to specifically burn only wood pellets.

Do I need a fresh air kit?

If you have a mobile home certified pellet stove installed in a mobile home, then a fresh air kit is required.  If you are in a newer build home it is also recommended. If you are in a home with a small area for makeup air or you are getting a poor burn, then it is also recommended that you use a fresh air kit.

What type of power backup can I get to use during a power outage?

We recommend a minimum of 1000w pure sine wave invertor battery backup for a short period of time. If you are using a generator, we recommend that it is 1000w inverter generator.

Why is my auger not turning?

• First check that the auger pin is connected and not broken. If it is broken, then there is likely an auger jam.
• Auger jam is a potential cause.  This typically occurs due to a buildup of pellets in the auger tube. If this is the cause, you can usually clean out the hopper and remove the jam and the heater will then work as it should.
• The hopper switch is another likely culprit, this can move over time to where it is not fully engaging and may just need to be slightly adjusted.
• An issue with vacuum can also cause this to occur.  Vacuum issues are typically a result of a dirty stove/flue pipe, leaking gasket, or improperly installed exhaust pipe.
– Start by making sure that all clean outs are clean and free of debris.
– Make sure that the venting is installed per the owner’s manual and is not clogged with debris or ashes.

Do these heaters get hot to the touch?

Yes.  Though some parts such as the hopper and the back of the stove should remain relatively cool, the front and sides of the stove will get extremely hot and will cause burns if touched.

US Stove | King | Ashley Wood & Pellet Stoves – Warranty
AP5780 Series Owner’s Manual

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