Heat pumps in Erfurt
Heat pumps in Erfurt at a glance
Erfurt completed and published its heat plan on time by 30 June 2026 (public consultation 4 May to 3 June 2026). A city council resolution was not needed because municipal heat planning in Thuringia is a delegated function and is completed by the administration. SWE Stadtwerke supplies electricity, gas and district heating. TAB EigenheimPlus provides support through a low-interest loan.
See also: Nationwide basis. KfW 458, GEG and technical minimum requirements apply in Erfurt without restriction.
RECOMMENDED PROVIDERS
Funding in Erfurt
| Item | Value |
|---|---|
| KfW 458 (federal funding) | active |
| TAB EigenheimPlus | low-interest pass-through loan (max. 150.000 EUR) to finance the owner's contribution, new builds excluded, can be combined with KfW/BAFA |
| SWE tariffs | special heat pump electricity tariffs |
Details on KfW 458 are available in the Nationwide basis. TAB EigenheimPlus additionally supports the owner's contribution. ThEGA offers free advice.
Application process and responsible bodies
Lower water authority of the City of Erfurt
Based in the Umweltamt. Geothermal probes must generally be notified, usually 6 Wochen before drilling begins; a formal water-law permit is needed only in special cases, for example in water protection areas or for installations over 30 kW.
SWE Stadtwerke Erfurt
Provider of electricity, gas and district heating. Offers advice on replacing heating systems.
ThEGA (Thüringer Energie- und GreenTech-Agentur)
Provides free advice on the energy transition and funding.
Status of municipal heat planning
| Step | Date |
|---|---|
| Public consultation | 4 May to 3 June 2026 |
| Completion and publication | completed on time by 30 June 2026 |
| City council resolution | not required (delegated function) |
As the state capital, Erfurt completed and published its heat plan on time.
Local features
Erfurt has a district heating network and is working on expanding it. The heat plan defines areas for heat pumps. Since ThürBO 2024, in force since 19 July 2024, outdoor heat pump units up to 2 m high and 3 m long may be placed directly on the property boundary without their own clearance area. ThEGA is based in Erfurt and offers free advice.
Frequently asked questions
Which funding applies to my heat pump in Erfurt?
Above all, the federal KfW 458 funding and the TAB EigenheimPlus loan, maximum 150.000 EUR, to finance the owner's contribution.
Who approves a geothermal probe in Erfurt?
The lower water authority through the notification procedure, usually with a 6 W-week deadline; formal permission is required only in special cases, such as in water protection areas or for installations exceeding 30 kW.
Does Erfurt have a heating plan?
Yes. Public consultation took place from 4 May to 3 June 2026, and the heating plan was completed and published by the deadline of 30 June 2026. A city council resolution was not required.