Changelog

Version: 1.4.0
  Features:
    - Added overdrive research after the area heating tower.
    - Added maximum heating area and heating consumption to tower tooltips and Factoriopedia.
  Changes:
    - Heating area size is now a startup setting and requires a restart to change. Select any previous custom size again before loading an existing save.

Version: 1.3.2
  Bugfixes:
    - Preserved quality towers when updating from 1.3.0 and 1.3.1, including fuel, heated area and overdrive state.
    - Fixed heating regulation after replacing a hot tower.
  Changes:
    - Quality uses vanila-like bonuses to temperature growth
    - Added more info to Factoriopedia

Version: 1.3.1
Date: 2026-10-31
  Bugfixes:
    - Fixed quality crash

Version: 1.3.0
Date: 2026-10-30
  Features:
    - Added quality scaling for the maximum heating area (e.g. 55x55 -> 59x59 -> 67x67 -> 79x79 -> 97x97 from normal to legendary)
  Compatibility:
    - Fixed heating and overdrive for tower variants added by More Quality Scaling and other mods that preserve the original tower names

Version: 1.2.2
Date: 2026-10-29
  Changes:
    - Made it easier to maintain a steady temperature in overdrive.

Version: 1.2.1
Date: 2026-10-26
  Features:
    - Added an in-game setting for maximum heating area size (27–97 tiles, default 55). Overdrive coverage and temperature thresholds adjust automatically.

Version: 1.2.0
Date: 2026-10-23
  Features:
    - Added overheating effects, sounds and status indicators for the tower.
    - The tower now collapses with a shockwave when destroyed.

Version: 1.1.3
Date: 2026-10-22
  Changes:
    - Overdrive now damages the tower when it heats faster than in normal mode
    - Added a nuclear explosion effect when the tower is destroyed

Version: 1.1.2
Date: 2026-10-21
  Changes:
    - Reduced fuel consumption in overdrive mode from x4 to x3

Version: 0.1.5
Date: 2026-10-21
  Changes:
    - Reduced fuel consumption in overdrive mode from x4 to x3

Version: 1.1.1
Date: 2026-10-19
  Features:
    - The overdrive panel shows recovery time, activation requirements and the reason for automatic shutdown.
    - Overdrive requires fuel, a temperature below 1000 degrees and a 60-second recovery after shutdown.
    - Overdrive switches off after sustained cooling or when its heated area shrinks.
    - Added overdrive sounds, chimney smoke and embers.
  Graphics:
    - Fixed tower shadows and added cracks that cool with the tower.
  Bugfixes:
    - Clearing a surface removes its tower effects without affecting other surfaces.

Version: 0.1.4
Date: 2026-10-19
  Bugfixes:
    - Fixed the upper tower disappearing near the edge of the screen
  Features:
    - The overdrive panel shows recovery time, all unmet activation requirements and the reason for automatic shutdown
    - Overdrive can only be enabled below 1000 degrees and has a 60-second cooldown after shutdown
    - Overdrive requires fuel to enable
    - Added overdrive sounds
  Graphics:
    - Fixed tower shadows
    - Cracks beneath the tower cool with temperature

Version: 1.1.0
Date: 2026-10-17
  Features:
    - Added overdrive mode that expands coverage to 137x137

Version: 0.1.3
Date: 2026-10-17
  Features:
    - Added overdrive mode that expands coverage to 137x137

Version: 1.0.2
Date: 2026-10-15
  Compatibility:
    - Added support for other mods to react when the heated area expands or shrinks.
  Changes:
    - Reduced the first heating square from 9x9 to 7x7 tiles, with heating strips starting at radius 4.

Version: 0.1.2
Date: 2026-10-13
  Changes:
    - Initial release for Factorio 2.0 with Space Age

Version: 1.0.1
Date: 2026-10-12
  Features:
    - Initial release for Factorio 2.1 with Space Age