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Heating system

Comparison and replacement of residential heating systems.

2 min read
448 words
last updated
6 Frequently asked questions

Choosing your heating system in Switzerland in 2026 means balancing performance, investment cost, operating costs, environmental impact and cantonal regulations (MoPEC). Several cantons now prohibit replacement with fossil fuel heating.

The 6 main systems in Switzerland

1. Heat pump (HP)

Investment: CHF 25-80,000 (villa). Annual cost: CHF 800-1,500. Heavily subsidised. See the heat pump guide.

2. Pellet boiler

Investment: CHF 30-50,000. Annual cost: CHF 1,500-2,500. Local renewable resource. Storage (silo) required.

3. Thermal solar

Investment: CHF 15-25,000 for hot water + heating backup. Covers 50-80% of hot water needs. Combine with another system for heating.

4. District heating (CAD)

Investment: CHF 8-15,000 for connection. Annual cost depends on local tariff. Available in certain cities (Lausanne, Geneva, Neuchâtel).

5. Gas boiler

Investment: CHF 15-25,000. Annual cost: CHF 2,000-3,500. Replacement prohibited in several cantons (VD, GE, NE) with exceptions.

6. Oil boiler

Investment: CHF 15-25,000. Annual cost: CHF 2,500-4,500. Replacement prohibited or severely restricted in most French-speaking cantons since 2024-2025.

Quick comparison

System Investment Annual cost CO₂ Subsidies
Air-to-water HP CHF 25-40k CHF 800-1,200 Very low High
Geothermal HP CHF 50-80k CHF 600-900 Very low High
Pellets CHF 30-50k CHF 1,500-2,500 Low Medium
Thermal solar CHF 15-25k CHF 300-500 Very low Medium
District heating CHF 8-15k Local tariff Depends on source Low
Gas CHF 15-25k CHF 2,000-3,500 High None
Oil CHF 15-25k CHF 2,500-4,500 Very high None

Which system for which property?

Well-insulated single villa: air-to-water heat pump (best price/performance compromise)

Villa to renovate: HP after insulation, or pellets if you want to keep autonomy

PPE apartment building: district heating if available, otherwise centralised HP or pellets

Mountain chalet: pellets (cold-resistant, local resource) or thermal solar as backup

Commercial building: water-to-water or geothermal HP (cost-effective on large surface)

Decarbonisation timeline

Most Swiss cantons have adopted phase-out schedules for fossil fuels:

  • Vaud (LVE): replacing gas/oil with renewable mandatory from 2024 if CECB < D
  • Geneva: oil replacement prohibited since 2020 in most cases
  • Neuchâtel: progressive ban 2024-2030
  • Fribourg: renewable required if CECB ≤ D since 2022
  • Valais / Jura: restrictions being tightened

Always check with your cantonal energy service BEFORE choosing.

How to size correctly?

For proper sizing, require from your installer:

  • A thermal needs calculation per SIA 380/1
  • A current CECB or energy audit
  • A full-year simulation (winter + summer)
  • An annual maintenance contract

An oversized heating system costs 20-30% more to install and wears out prematurely due to short cycling.

Sources

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Frequently asked questions

For a well-insulated home, the air-to-water heat pump is almost always the best choice (CHF 25,000 to 40,000, annual cost CHF 800 to 1,200). If you want full autonomy or live in the mountains, pellets are an excellent renewable alternative.

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Heating systems in Switzerland - 2026 comparison · Edirex