The Gebäudeprogramm is the joint funding scheme of the Confederation and the cantons for energy-efficient building renovation – financed from the CO₂ levy. It mainly supports insulating the building envelope and replacing fossil heating with renewable systems such as the heat pump. Photovoltaics itself does not run through the Gebäudeprogramm but through Pronovo's one-off feed-in incentive – an important distinction that often gets mixed up during planning. (As of: July 2026)
Key points in brief
- The Gebäudeprogramm funds the building envelope (insulation) and heating replacement – not the solar system.
- It is funded jointly by the Confederation and the cantons; the specific rates and conditions are set by the respective canton.
- PV funding comes from elsewhere: the one-off feed-in incentive via Pronovo.
- For many contributions, a GEAK or GEAK Plus is the entry ticket.
- Anyone who renovates the roof, replaces the heating and builds a solar system combines several funding pots – each with its own rules.
- From 2028, a new joint funding model of the Confederation and the cantons is to apply (GFM 2028, still in consultation); 2027 is a transition year under the existing law.
What does the Gebäudeprogramm fund – and what not?
The Gebäudeprogramm targets two major areas: insulating the building envelope and replacing fossil heating with renewable systems. Insulated façades, new windows, an insulated roof on one side; switching from oil or gas to a heat pump or a district heating connection on the other. It is financed from the CO₂ levy on fuels, part of which flows back for exactly these renovations.
What the Gebäudeprogramm does not fund is photovoltaics. That surprises many people, since a solar system sounds like the core of an energy renovation. The reason lies in the division of tasks: PV has its own nationally uniform funding route with the one-off feed-in incentive via Pronovo. The Gebäudeprogramm handles heat – insulation and heating – while the one-off feed-in incentive handles the electricity from the roof.
Keeping this separation clear in your head saves a lot of confusion during planning: anyone building a solar system applies to Pronovo; anyone insulating the façade or replacing an oil heating system applies to the cantonal Gebäudeprogramm.
Who pays: the Confederation, the canton or the municipality?
For the Gebäudeprogramm, the Confederation and the cantons pay jointly – but the specific design lies with the canton. The Confederation contributes a base amount (the so-called global contributions), and each canton builds its own programme on top with its own rates, conditions and application routes. That's why funding looks different in Zurich than in Aargau or Zug, even though all of them operate under the same "Gebäudeprogramm" umbrella.
For heat pumps, there is additionally a cantonal layer with its own top-up contributions – in the Canton of Zurich, for example, the heat pump funding, which goes beyond the plain Gebäudeprogramm. And some municipalities add a further municipal contribution on top.
| Measure | Funding source | Runs via |
|---|---|---|
| Building envelope insulation | Gebäudeprogramm | Canton |
| Replacing fossil heating with a heat pump | Gebäudeprogramm + cantonal supplements | Canton / municipality |
| Photovoltaics | One-off feed-in incentive | Pronovo (Confederation) |
| Battery storage | partly municipal programmes | Municipality (varies) |
Simplified overview, as of: July 2026. The current provisions of the respective canton or of Pronovo are decisive. Rates and conditions change – check the current programme page before applying.
We deliberately don't state flat amounts here: they differ by canton and are adjusted regularly. What applies to your building is on the current programme page of your canton.
What is the GEAK – and why does the funding require it?
The GEAK, the cantons' building energy certificate, is the entry ticket for many contributions. It assesses how energy-efficient a building is today, and the GEAK Plus additionally provides an advisory report with concrete renovation options. For more extensive funding applications – especially for comprehensive renovations – it is often a condition, because it gives the canton a traceable basis.
How the GEAK works, when the simple version and when the more detailed GEAK Plus pays off, and what it costs, is covered in the separate article GEAK and solar system. For the funding logic, this rule of thumb is enough: for larger renovation contributions, the route often runs via the GEAK – and it belongs at the start of planning, not the end.
And the tax side? Energy renovations are in many cases additionally deductible from taxable income – a second, independent lever alongside funding. The connections, and the important question of timing the deductions in stages, are explained in the tax deduction guide.
The most common disappointment in consultations arises at the same point: "And does the Gebäudeprogramm also fund the solar system?" – No, and that causes frowns at first. But once it's clear that PV has its own pot (the one-off feed-in incentive) and the Gebäudeprogramm is responsible for insulation and heating replacement, the disappointment turns into good news: there are two pots, not one. Anyone who staggers a comprehensive renovation cleverly – insulating the roof, replacing the heating, building a solar system – draws on multiple sources. What we advise everyone: submit the applications in the right order, because a contribution that must be applied for before construction starts is lost once construction has begun.
Incentives 2027 and 2028: what is changing in the Buildings Programme
Building funding is being reorganised: the Buildings Programme and the Impulse Programme are being merged. Under the parliamentary decision of 20 March 2026, it is financed exclusively from the earmarked share of the CO₂ levy; until 31 December 2034, the Confederation makes available no more than CHF 410 million per year.
| Period | What applies | Status |
|---|---|---|
| 2027 | Transition year: the distribution of funds and the funding measures continue to follow the existing law. The application goes through the cantonal programme. | Transitional arrangement for 2027 |
| from 1 January 2028 | New “Joint Funding Model of the Confederation and the Cantons (GFM 2028)”. The cantons decide freely which measures they implement; for global contributions they must comply with minimum funding rates. Focus areas: replacing fossil heating systems, building envelope, comprehensive renovations, Minergie new builds. | Proposal: on 28 October 2026, the Federal Council opened the consultation (until 11 February 2027). Not yet decided. |
As of: 12 November 2026. Sources: ee-news, 29.10.2026; EnDK, Relief Package 27. The decisions of the Federal Council, Parliament and the cantons are authoritative.
What this means for your project
- 2027: The existing route applies – funding comes through your canton’s programme, and the application must be submitted before construction starts.
- From 2028: Whether a measure is funded, and under what conditions, depends on the canton. Contribution amounts for 2028 have not been set – so we do not quote any figures.
- Still open: The model is in consultation, changes are possible. If you are planning a renovation, clarify funding and timeline with the canton early.
Frequently asked questions
Does the Gebäudeprogramm fund my solar system?
No. The Gebäudeprogramm supports thermal insulation and the replacement of fossil heating. Photovoltaics is instead funded via Pronovo's one-off feed-in incentive – its own, nationally uniform route. Both can be combined in a comprehensive renovation, but they are separate pots with separate applications.
Who is responsible for the Gebäudeprogramm?
The Confederation and the cantons jointly, with the canton setting the specific rates and conditions and processing the applications. That's why funding differs from canton to canton. The relevant point of contact is always the programme page of your canton of residence.
Do I need a GEAK for the funding?
For many larger contributions, yes – especially for comprehensive renovations, the GEAK or GEAK Plus is often a condition. For individual measures it can also work without one. Since this differs by canton and programme, it's best clarified before the first tradesperson's appointment.
Do I have to submit the application before construction starts?
As a rule, yes. Funding applications typically have to be submitted and approved before construction starts – a retroactive application usually has no chance. What counts as "start of construction" is interpreted strictly. That's why the funding application belongs at the start of the renovation, not the end.
What changes in 2028 for the Buildings Programme?
From 1 January 2028, a joint funding model of the Confederation and the cantons (GFM 2028) is to apply. The Federal Council opened the consultation on it on 28 October 2026; it runs until 11 February 2027. The cantons decide which measures they implement. For 2027, a transitional arrangement under the existing law applies. Contribution amounts for 2028 have not yet been set.
Free initial consultation
Renovating with a solar system – we know the pots.
Gebäudeprogramm, one-off feed-in incentive, cantonal supplements: for a comprehensive renovation with a solar system, we help you keep the funding routes cleanly separated and tackle them in the right order.
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Further guides
Incentives for solar systems
Heat pump incentives in the Canton of Zurich
GEAK and solar systems
Replacing a heating system with a heat pump
Deducting your solar system from taxSources: The Buildings Programme (Confederation/cantons), CO₂ legislation, cantonal energy funding programmes, GEAK (cantons), ee-news (29.10.2026) and EnDK on the reorganisation of building funding, practical experience from renovation projects by ecoEn GmbH, Zurich region.
Last updated: 12 November 2026 · Author: ecoEn Redaktion
