Heat pumps in new homes
Share of new residential buildings heated mainly by a heat pump, 2025
The energy transition in new homes ignores the old border: 73.9% of homes completed in 2025 in the East and 74.2% in the West are heated mainly by a heat pump. Saarland leads with 88.2%; Berlin, with its apartment blocks and district heating, is far behind at 44.8%. In 2016 the shares were 32.7% East and 32.1% West.
Inner-German border 1949–1990 ·16 states · 2025
Former West
74.2%
excl. Berlin
Former East
73.9%
excl. Berlin
Berlin
44.8%
The East stands at 100% of the West's level (2025).
By state
- Saarland88.2%
- Sachsen-Anhalt84.8%
- Niedersachsen79.8%
- Nordrhein-Westfalen78.5%
- Baden-Württemberg78.5%
- Rheinland-Pfalz78.0%
- Sachsen75.6%
- Thüringen74.2%
- Mecklenburg-Vorpommern72.7%
- Schleswig-Holstein70.0%
- Brandenburg69.7%
- Bayern69.6%
- Hessen67.7%
- Hamburg50.1%
- Bremen46.9%
- Berlin44.8%
2025
Then and now
Drag across the map to compare 2016 with 2025. Both maps share one colour key.
Former West
32.1%
excl. Berlin
Former East
32.7%
excl. Berlin
Berlin
16.8%
The East stands at 102% of the West's level (2016).
Notes & caveats
- Gas remains more common in new eastern homes: 14.3% of 2025 completions in the East are heated mainly with gas, 9.7% in the West and 20.2% in Berlin.
- Based on 58,885 residential buildings completed in Germany in 2025. Heat pumps = primary heating energy "Umweltthermie" (air and water heat pumps) or "Geothermie" (ground-source). Shares are our calculation.
Show the table
| State | Side | 2025 | 2016 |
|---|---|---|---|
| Saarland | west | 88.2% | 45.4% |
| Berlin | berlin | 44.8% | 16.8% |
| Brandenburg | east | 69.7% | 26.5% |
| Mecklenburg-Vorpommern | east | 72.7% | 21.6% |
| Sachsen | east | 75.6% | 41.7% |
| Sachsen-Anhalt | east | 84.8% | 39.8% |
| Thüringen | east | 74.2% | 37.9% |
| Schleswig-Holstein | west | 70.0% | 18.9% |
| Hamburg | west | 50.1% | 15.9% |
| Niedersachsen | west | 79.8% | 14.2% |
| Bremen | west | 46.9% | 3.8% |
| Nordrhein-Westfalen | west | 78.5% | 31.5% |
| Hessen | west | 67.7% | 37.5% |
| Rheinland-Pfalz | west | 78.0% | 42.1% |
| Baden-Württemberg | west | 78.5% | 46.8% |
| Bayern | west | 69.6% | 36.3% |