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A Generator in Frostpunk 2, a giant steel entity with smoke coming out of the top against a white sky
Screenshot by Dot Esports

Frostpunk 2 tech tree – All Heating Ideas, listed

Every hidden Heating tech revealed and detailed.

The Frostpunk 2 tech tree (or officially, the Idea Tree) features a total of 142 Ideas spread across six tabs. At the start of each campaign, the Ideas on the outer branches of the tree are hidden. This guide lists every idea on the Heating tab, including the hidden ones.

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Ideas relating to Heating are among the most important in Frostpunk 2, as you’d expect from a game that takes place during an ice age. This tab is where you’ll find technologies that allow you to upgrade your generator, to use Heat more efficiently, and to extract fuel deposits at higher rates.

To make it easier to plan your path through the Heating tab of the Idea tree, I’ve taken a screenshot of the Heating tab with all of the hidden branches revealed, and listed all of the Ideas within each Heating category, along with a brief description of what effects that Idea has and what it unlocks.

A screenshot from the Frostpunk 2 Idea tree, showing readers all of the hidden options
For details of the Ideas under each category, check the table below. Screenshot by Dot Esports

All Heat tab tech tree Ideas in Frostpunk 2

CategoryIdeaEffects
Generator Upgrade IGenerator: Adaptive PumpsYour Generator can use any fuel
Generator Upgrade IIGenerator: Adaptive InjectorsIntake Optimisation bonus boosts Heat yield of selected fuel
Generator Upgrade IIIGenerator: Symbiotic RegulatorAll fuels yield more Heat

Symbiotic Support bonus boosts Housing, Industry, or Food Districts
Coal LiquefactorsCoal LiquefactorCoal Liquefactor converts Coal into Oil
Carrion Coal LiquefactorCarrion Coal Liquefactor converts Coal into Oil

Increases Disease slightly

Requires fewer materials and offers better conversion rate than Coal Liquefactor
Pressurised Coal LiquefactorPressurised Coal Liquefactor converts Coal into Oil

Increases Squalor slightly

Requires less Workforce than Coal Liquefactor
Settlement HeatingSettlement FurnaceCan upgrade outposts to settlements
Melting Deep DepositsDeep Melting DrillDeep Melting Drill can access Deep Deposits
Housing InsulationAsbestos LiningReduces Heat demand in all Housing Districts
Heat DispatcherHeat DispatcherHeat Dispatcher reduces the Heat demand of its district
Actuated Heat DispatcherActuated Heat Dispatcher greatly reduces the Heat demand of its district, but increases Squalor
Food Energy EfficiencyCrop SelectionReduces Heat demand in all Food Districts
Coal MinesShaft Coal MineSafest but lowest output coal mine
Dust Coal MineModerate output coal mine that increases Disease
Blasting Coal MineHigh output coal mine that increases Squalor, and can cause injury and death to workers
Advanced Coal MinesAdvanced Shaft Coal MineHigh output, safe coal mine
Advanced Blasting Coal MineHighest output coal mine that greatly increases Squalor
PumpjacksPumpjackIncreases Oil output and Squalor
Hydraulic PumpjackBetter Oil output and lower Materials demand than a regular Pumpjack, but increases Disease
Fracturing PumpjackBetter Oil output and lower Workforce demand than a regular Pumpjack; increases Squalor
Geothermal PlantsGeothermal PlantGenerates Steam with no negative effects
Unfiltered Geothermal PlantHigher Steam output than a regular Geothermal Plant, but increases Disease
Advanced Geothermal PlantsPumping Geothermal PlantHigh output, safe Geothermal Planet
Deep Geothermal PlantHighest output Geothermal Plant that increases Disease
Advanced PumpjacksAdvanced PumpjackHigh output Pumpjack that increases Squalor
Advanced Fracturing PumpjackHighest output Pumpjack that greatly increases Squalor

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Gavin Mackenzie
Gavin Mackenzie has been playing video games since the early 80s, and writing about them professionally since the late 90s. Having been a writer and editor on various British magazines including PLAY, GamesTM, and X360, he's now a freelance guides specialist at Dot Esports.