Quantitative assessment of critical mineral dependencies in the European HVAC manufacturing sector.
The accelerating deployment of heat pumps across the EU — the primary electrification technology for space heating — depends on supply chains with significant critical mineral exposure. This paper maps the critical mineral intensity of residential and commercial heat pump systems and assesses the geographic concentration risk in global supply chains relevant to the European market.
Heat pumps require substantially higher quantities of copper (3-5x a gas boiler equivalent), aluminium, and — for inverter-driven variable-speed compressors — rare earth elements including neodymium and dysprosium for permanent magnet motors. As the EU Renovation Wave mid-term review documents, the policy ambition to double renovation rates implies a commensurate scaling of heat pump installations from approximately 3 million annual units in 2023 to an estimated 7-9 million by 2030.
Risk Assessment
Using a modified Herfindahl-Hirschman Index adapted for supply chain geography, we calculate a concentration risk score for each major component pathway. Rare earth elements score highest (HHI: 0.67), reflecting China’s dominance in both mining and processing. Copper and aluminium show moderate concentration (HHI: 0.22-0.31), with more geographically distributed supply bases including significant European secondary production from recycling streams.
Refrigerant supply chains present an emerging risk dimension. The phase-down of high-GWP HFC refrigerants under the revised F-Gas Regulation accelerates the transition to lower-GWP alternatives (R-290 propane, R-32, HFO blends), some of which involve precursor chemicals with concentrated production in Asia. Manufacturing retooling for lower-GWP refrigerant compatibility adds 18-24 months to production lead times.
European Industrial Capacity
European heat pump manufacturing capacity — concentrated in Finland, Sweden, Germany and Italy — can currently produce approximately 4 million units annually. Meeting 2030 deployment targets would require capacity expansion of 75-125%, implying capital investment in the range of €8-14 billion in European manufacturing infrastructure.
The European Heat Pump Association’s capacity expansion roadmap identifies compressor manufacturing as the critical bottleneck: European compressor production is insufficient for the targeted expansion, creating dependence on Asian imports for the highest-value component in the assembly. Domestic compressor capacity investment in Germany and Austria is projected to close this gap only by 2028-2029 — leaving a 4-5 year period of structural supply vulnerability.
Policy Recommendations
Strategic mineral stockpiling for rare earth elements used in heat pump motors, analogous to existing EU critical raw materials frameworks, would reduce short-term supply shock risk. Medium-term resilience depends on accelerating European rare earth processing capacity, which currently handles less than 2% of global rare earth refining despite having adequate mining resources.
The IEA’s modelling of sustainable heat pump deployment pathways, published in The Future of Heat Pumps, identifies supply chain diversification as the primary risk factor for meeting electrification targets in northern and central Europe.
Outlook
Supply chain resilience is becoming as central to the electrification of heating as the deployment incentives themselves. The analysis above suggests that Europe can meet a substantial share of its 2030 heat pump targets from domestic and recycled material streams for copper and aluminium, but remains exposed on rare earth processing and on compressor manufacturing capacity. Both are addressable through industrial policy, yet both operate on multi-year investment horizons that sit uncomfortably close to the 2030 milestone.
For policymakers, the practical implication is that demand-side incentives and supply-side capacity building need to be sequenced together. Scaling installation subsidies faster than domestic component capacity can expand simply transfers the bottleneck onto imports, eroding the strategic-autonomy rationale that underpins much of the EU electrification agenda. A balanced pathway pairs steady demand growth with targeted support for compressor production and rare earth refining within the single market.