Huo-Long Heater

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The burning you feel? It is shame.
The Heavy to a burning Spy

The Huo-Long Heater is a community-created promotional primary weapon for the Heavy. It is an antique-looking, partially team-colored machine gun made of wood and metal, which features a traditional Chinese dragon's head mounted on the muzzle of the gun and a hexagonal, chest-resembling ammo drum. The name comes from the Chinese word for "fire dragon" (火龍, huǒlóng).

The Huo-Long Heater emits constant rings of fire around the player while the weapon is spun-up, with either the primary or secondary fire buttons. Its base damage and afterburn from the rings of fire are also increased by 25% against burning players. However, this comes at the cost of 4 ammo lost per second while spun-up, and 10% less base damage compared to the default Minigun.

The Huo-Long Heater was awarded in Genuine quality to players who pre-ordered Sleeping Dogs on Steam before August 14, 2012, or August 17, 2012 in Europe.

The Huo-Long Heater was later contributed to the Steam Workshop, at Valve's request.

Damage and function times

See also: Damage
Damage and function times
Shot type Hitscan
Damage type Bullet
Ranged or Melee damage? Ranged
Maximum ramp-up 150% 12 / per bullet
Base damage 100% 8 / per bullet
Maximum fall-off 50% 4 / per bullet
Point blank 41-48 / per 1 ammo
410-480 / per second
Medium range 7-21 / per 1 ammo
70-210 / per second
Long range 4-9 / per 1 ammo
40-90 / per second
Critical 24 / per bullet
Mini-crit 11-16 / per bullet
Function times
Attack interval 0.1 s
Ammo consumption interval 4 / s
14 / s
Windup time 0.87 s
Values are approximate and determined by community testing.

Fire Ring

See also: Damage
Damage and function times
Shot type Area of effect
Damage type Fire
Ranged or Melee damage? Ranged
Base damage 100% 12
Point blank 12
Mini-crit 16
Afterburn 4 / tick
60 total
Afterburn (mini-crit) 5 / tick
75 total
Function times
Attack interval 0.5 s
Afterburn duration 7.5 s
Values are approximate and determined by community testing.


Strange variant


See also: Crafting


Family Business Reclaimed Metal Huo-Long Heater
Item icon Family Business.pngx3 + Item icon Reclaimed Metal.png = Item icon Huo-Long Heater.png
Class Token - Heavy Slot Token - Primary Scrap Metal Possible Results
Item icon Class Token - Heavy.png + Item icon Slot Token - Primary.png + Item icon Scrap Metal.png =
Item icon Natascha.png Item icon Brass Beast.png Item icon Tomislav.png Item icon Huo-Long Heater.png

Related achievements

Leaderboard class heavy.png Heavy

Heavy Industry
Heavy Industry
Fire $200,000 worth of minigun rounds in a single life.

Kill 10 enemies in mid-air with the minigun.
Permanent Revolution
Permanent Revolution
Kill 5 enemies without spinning down your gun.

Update history

August 2, 2012 Patch (Triad Pack)
  • The Huo Long Heatmaker was added to the game.

August 3, 2012 Patch

  • Fixed the Huo Long Heatmaker not consuming additional ammo while firing.

August 10, 2012 Patch

  • Renamed from "The Huo Long Heatmaker" to "The Huo-Long Heater".

August 15, 2012 Patch

  • [Undocumented] Added Huo-Long Heater to the drop system.

September 13, 2012 [Item schema update]

June 19, 2013 Patch

  • [Undocumented] Added Strange quality.

November 12, 2013 Patch

January 9, 2014 Patch

  • Fixed not being able to apply Killstreak Kits to the Sleeping Dogs promo items.

June 18, 2014 Patch

  • All mini-guns now have damage and accuracy ramp up after they start firing. Full accuracy and damage is reached 1 second after firing.

July 8, 2014 Patch

  • Minigun: Winding up via secondary attack now counts toward reducing the one-second accuracy penalty.

February 11, 2015 Patch #1

  • Fixed not being able to switch away from the Minigun while spinning down.

July 2, 2015 Patch (Gun Mettle Update)

  • Minigun damage penalty on Level 2 and Level 3 Sentry Guns slightly decreased. Level 2 Sentry resistance changed from 20% to 15% and Level 3 changed from 33% to 20%.
  • Updated description to better detail the weapon's features.

August 18, 2015 Patch #1

  • The Huo-Long Heater can now accept Posthumous Kills strange parts.

July 7, 2016 Patch (Meet Your Match Update)

  • Changed attributes:
    • Added -10% damage.
    • Added +25% increased damage vs. burning players.
    • Reduced ammo drain to -4/sec (from -6).
    • Reduced pulse damage from Ring of Fire to 12 (from 15) due to increased damage vs. burning targets.

May 4, 2017 Patch

  • [Undocumented] Updated the description of the Huo-Long Heater.

October 20, 2017 Patch (Jungle Inferno Update)

  • The 1-second damage and accuracy penalty now applies to the first second of spun-up time, whether or not the Heavy is firing. Previously, the 1-second damage penalty would only be removed after 1 second of firing.
  • Accuracy and damage penalties now reset when the Heavy spins down, rather than when the Heavy stops firing. This means if you stay spun-up beyond one second, and fire in bursts, damage and accuracy will remain at 100%.

October 24, 2017 Patch

  • Fixed the afterburn duration for the Huo-Long Heater.


  • The Genuine variant viewmodel is not affected by the "Use minimized viewmodels" option.
  • The fire ring can damage enemies while underwater.
  • The ring still can have an Afterburn effect on a Pyro, if the Pyro has been injured by another Huo-Long Heater.


  • The weapon was originally designed to be a firework cannon, but was changed into more of a gun shape at Valve’s request. [1]
  • If the contributors were unable to make the proper changes to the weapon in time, then Wrath of Wan Hu, a Pyro flamethrower with a similar theme submitted before the promotion, would have taken the Huo-Long Heater’s place. However, Huo-Long Heater was finished in time.[2]
  • The weapon's name and appearance are based on the Chinese God called Huang Long. He is a large gold (or yellow) dragon, according to Chinese mythology.
  • The Huo-Long Heater is called Sheila by Heavy, which can be seen in The Showdown comic. [3]


See also


  1. Facepunch forums
  2. Facepunch forums
  3. The Showdown comic page