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Carinthia public grant · checked on 27 September 2026

Heat pump public grant Carinthia 2026

Carinthia subsidises the switch to a heat pump with up to 4.700 € from federal state funds. The federal public grant has been exhausted since 10.07.2026, new funds are budgeted for 2027. Here you can find out what the federal state pays, when you submit the application and where.

Isometric illustration: detached house with a heat pump in front of a landmark of Carinthia

The most important facts in brief

Federal state subsidy
up to 4.700 €
Application
after implementation
Federal subsidy
currently exhausted
Checked
27 September 2026

No quote, no application for a public subsidy. Get quotes from up to three checked installers, free of charge and without obligation.

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Carinthia subsidises the heating replacement with 3.000 €, plus 1.500 € for a simultaneous solar system and 200 € for hydraulic balancing — up to 4.700 € from the federal state. Since the federal stop, the federal state public grant has continued independently (Richtlinie 6, Abschnitt B); applications are made after implementation.

Inner-Alpine climate with cold winters. Heat pumps are sized at 6–10 kW in most locations; in higher locations, 10 kW or a cascade is worthwhile.

Federal government: The federal funds for the Sanierungsoffensive 2026 (renovation offensive, including Kesseltausch and „Sauber Heizen für Alle") are exhausted. Since 10.07.2026, no new registrations or applications are possible; applications already submitted will continue to be processed. What this means

Public grant programmes in Carinthia

Heating replacement according to Richtlinie 6 (guideline 6), section B (BW-L128)

up to 3.000 €
Application
after implementation
Office
Federal state of Carinthia, Abteilung 1 – Gemeinwohl, Wohnen und Sport (Department 1 – Public Welfare, Housing and Sports)
Method
Direct grant

Bonuses

  • Solar system — 1.500 € (simultaneous solar thermal system)
  • Hydraulic balancing — 200 €

Conditions

  • Heat pump according to EHPA criteria, refrigerant GWP ≤ 750, flow temperature max. 55 °C, under 100 kW
  • Building permit at least 20 years old (for energy-efficient building services 5 years from completion of construction)
  • Only measures started after 31.12.2025
  • Application after completion, online only; an online appointment is mandatory
  • Subject to available funds, in order of receipt

Richtlinie 6 (BW505), section E: If the federal grant is discontinued, the federal state grant is "still possible" — according to section B. Fossil fuel replacements with an invoice dated before 10.07.2026 will not be processed under section B.

Official programme page →

Boiler replacement with federal registration (BW-L129)

up to 3.000 €
Application
after implementation
Office
Federal state of Carinthia, Abteilung 1 – Gemeinwohl, Wohnen und Sport (Department 1 – Public Welfare, Housing and Sports)
Method
Direct grant

Bonuses

  • Solar bonus — 1.500 € (simultaneous solar thermal system ≥ 6 m² gross collector area)

Conditions

  • Only for cases with federal registration by 10.07.2026
  • KPC-Auszahlungsschreiben (KPC payout letter, federal government) + invoices required

Only applies to cases that were registered with the federal government by 10.07.2026. All new cases are handled via section B (above).

Official programme page →

Calculation example

Detached house, replacement of oil boiler with an air-source heat pump (with solar thermal energy and hydraulic balancing)

Federal state public grant Carinthia4.700 €
Federal subsidy0 € (exhausted)
Available today4.700 €

With the federal public grant, it would be 12.200 €. This share will only be possible again when new federal funds are released (budgeted for 2027).

In this order

  1. Get quotes. With heating load calculation and all items — no quote, no application.
  2. Submit application: after implementation. Before or after installation?
  3. Have it installed and keep all invoices, data sheets and proofs.
  4. Settle with Land Kärnten, Abteilung 1 – Gemeinwohl, Wohnen und Sport (Federal State of Carinthia, Department 1 – Common Good, Housing and Sport).

Also check: energy suppliers and municipality

In Carinthia, suppliers and municipalities also sometimes provide public grants — small amounts that are often overlooked:

Frequently asked questions

How high is the heat pump public grant in Carinthia in 2026?

Carinthia subsidises heat pumps with up to 4.700 € from federal state funds (status as of 27 September 2026). Carinthia subsidises the heating replacement with 3.000 €, plus 1.500 € for a simultaneous solar system and 200 € for hydraulic balancing — up to 4.700 € from the federal state. Since the federal stop, the federal state public grant has continued independently (Richtlinie 6, Abschnitt B); applications are made after implementation.

Is there still a federal public subsidy for heating replacement in 2026?

No. The federal funds for the Sanierungsoffensive 2026 (renovation offensive, including Kesseltausch and „Sauber Heizen für Alle") are exhausted. Since 10.07.2026, no new registrations or applications are possible; applications already submitted will continue to be processed. The budget has been allocated again for 2027.

Do I have to submit the application before or after installation?

In Carinthia: after implementation. Heating replacement according to Richtlinie 6, Abschnitt B (BW-L128): after implementation. Boiler replacement with federal registration (BW-L129): after implementation.

Where do I submit the application in Carinthia?

Land Kärnten, Abteilung 1 – Gemeinwohl, Wohnen und Sport (Federal State of Carinthia, Department 1 – Common Good, Housing and Sport).

What are the conditions for the public grant in Carinthia?

Heating replacement according to Richtlinie 6, Abschnitt B (BW-L128): heat pump according to EHPA criteria, refrigerant GWP ≤ 750, flow max. 55 °C, under 100 kW; building permit at least 20 years old (for energy-efficient building services 5 years from completion of construction); only measures started after 31.12.2025; application after completion, online only; an online appointment is mandatory; subject to available funds, in order of receipt. Boiler replacement with federal registration (BW-L129): only for cases with federal registration until 10.07.2026; KPC-Auszahlungsschreiben (KPC payout letter from the federal government) + invoices required.

Are there additional public grants from the municipality or energy supplier in Carinthia?

Sometimes yes, mostly smaller amounts. It is worth checking with: KELAG.

Latest news on Carinthia

Source: www.ktn.gv.at, content checked on 27 September 2026. All information without guarantee — the funding authority is binding.

Quotes from installers in Carinthia

A maximum of three checked installers, free of charge and without obligation. The installers know the federal state public grant and will help with the application.

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