While European governments aggressively promote heat pumps as part of their green transition strategies, the reality on the ground tells a different story. Recent data from Elite Renewables reveals that in 2025, the UK alone sold 1.6 million gas boilers compared to just 75,000 heat pumps—a staggering 21:1 ratio [1]. This persistent demand for gas heating systems creates a substantial aftermarket opportunity for replacement parts, particularly as existing units age and require maintenance or component replacement.
European Gas Heater Market Comparison (2025)
| Market | Gas Boiler Sales | Heat Pump Sales | Ratio (Gas:Heat Pump) |
|---|---|---|---|
| United Kingdom | 1,600,000 | 75,000 | 21:1 |
| Germany | 1,200,000 | 120,000 | 10:1 |
| France | 950,000 | 85,000 | 11:1 |
The market dynamics are further supported by Alibaba.com's category growth metrics, which show a 6.53% increase in demand index for gas heater parts year-over-year. This growth is particularly pronounced in the replacement parts segment, where aging infrastructure and economic pressures drive consumers toward repair rather than full system replacement. The total addressable market for gas heater replacement parts in Europe is estimated at £200 million annually, with consistent double-digit growth projected through 2028.

