A wood-burning or pellet stove brings warmth and comfort into your home and can cut your heating bills – but since 2024, strict new rules apply: the German BImSchV II ordinance and the EU ECODESIGN regulation set minimum efficiencies and maximum emission limits, and not every older stove may still be sold. 2026 is the right time to upgrade – with modern technology that meets every standard. This guide covers: wood or pellets? What output do you need? What does installation cost? And how do you find a certified stove that is fully compliant in 2026?
Wood Stoves vs. Pellet Stoves: Which One Suits You?
The choice between a classic wood-burning stove and a modern pellet stove depends on your building, your budget and your lifestyle.
Wood-Burning Stoves (Log Stoves)
How they work: Logs are loaded into the combustion chamber; the burn is controlled by manual (or automatic) air supply. Heat radiates into the room through the steel body.
Costs:
- Purchase: €2,500–6,000 (depending on size, material, brand)
- Installation (setup, flue pipe, chimney sweep approval): €500–2,000
- Total budget for a standard wood stove: €3,000–8,000
Efficiency:
- Efficiency rating: 70–85% (depends on wood moisture and operating skill)
- With a heat-retaining stove (natural stone cladding): up to 90% possible, but more expensive
Advantages:
- Low running costs (firewood, if sourced yourself – approx. €150–250/m³)
- Authentic fire and cosy atmosphere
- No electricity required (in air-circulation operation)
- Massive stoves (soapstone, fireclay) store heat and release it slowly
Disadvantages:
- Requires operating know-how (wood moisture <20%, correct loading, ash disposal)
- Ash must be emptied regularly (1–2× per week)
- No automatic control (no night setback possible)
- Higher emission risk if operated incorrectly
- Space needed for wood storage (approx. 5–15 m³ per season)
Best for:
- Country homes with space for a wood store
- Anyone who loves real fire and has time to tend it
- Room heating rather than whole-house heating
Pellet Stoves (and Pellet Boilers for Central Heating)
How they work: Wood pellets (compressed sawdust) are fed automatically from a hopper; combustion is fully automatic. Heat is distributed via water or air.
Costs:
- Purchase: €3,500–8,000 (depending on heat output and storage equipment)
- Installation (pipework, chimney adaptation, electrician): €1,500–3,500
- Pellet storage preparation (room conversion if needed): €500–2,000
- Total budget for a pellet stove: €5,500–13,500
Efficiency:
- Efficiency rating: 85–92% (consistent thanks to automatic control)
- Combined with a buffer tank: up to 95%
Advantages:
- Maximum reliability and efficiency
- Fully automatic, works with room thermostats and smart home systems
- Fewer operating errors (the system controls the combustion process)
- Low running costs (pellets approx. €300–500/tonne)
- As a central pellet boiler also suitable for multi-family homes
Disadvantages:
- Requires electricity (ignition, fan, feed auger)
- Higher purchase price
- Space needed for pellet storage (min. 2–3 tonnes = 6–8 m³)
- Regular maintenance (monthly ash removal, 1–2 inspections per year)
- Feed auger can clog (rare fault)
Best for:
- Anyone who values reliability and convenient operation
- Multi-family homes (central pellet boiler system)
- Whole-house heating or as a supplementary stove
Comparison Table: Wood vs. Pellets
| Criterion | Wood stove | Pellet stove |
|---|---|---|
| Purchase | €2,500–6,000 | €3,500–8,000 |
| Installation | €500–2,000 | €1,500–3,500 |
| Total budget | €3,000–8,000 | €5,500–13,500 |
| Efficiency | 70–85% | 85–92% |
| Operation | Manual | Automatic |
| Annual fuel costs | €300–600 | €400–800 |
| Maintenance effort | Medium | Low to medium |
| Needs electricity | No (usually) | Yes |
| Heat storage | With storage stove (+) | With buffer tank (+) |
| Whole-house heating | Unsuitable | Suitable |
| Emissions | Higher (if operated incorrectly) | Consistently low |
| BImSchV II compliant | Yes (if certified) | Yes (if certified) |
BImSchV II and ECODESIGN: What Do They Mean?
BImSchV Stage II (German ordinance limiting particulate and NOx emissions), in force since 2024:
- All new appliances must meet strict particulate limits
- Old stoves (pre-2015) had to be replaced or retrofitted by 2024
ECODESIGN (EU energy-efficiency regulation):
- Minimum 80% efficiency required
- Strict particulate and NOx limits
- Applies to all boilers and stoves manufactured since 2020
In practice: every stove sold at jacobwarm.com meets these standards. You can buy with confidence – they are fully legal and satisfy the strictest German and European requirements.
Important for installation: the chimney sweep must see and sign off the test certificate. Without a BImSchV II certificate the stove may not be connected.
Correct Sizing: Heat Output in kW
An oversized stove runs inefficiently (constant throttling); an undersized one cannot cover the heat demand. How to calculate:
Rule of thumb: roughly 1 kW of heat output per 10 m² of floor area – e.g. 100 m² of living space → a 10 kW stove.
Simplified guide for residential buildings:
| Building type | Heat load per m² | 100 m² | 150 m² |
|---|---|---|---|
| Well insulated (efficiency house) | 40–50 W/m² | 4–5 kW | 6–7.5 kW |
| Average insulation (renovated) | 60–80 W/m² | 6–8 kW | 9–12 kW |
| Poorly insulated (old building) | 100–150 W/m² | 10–15 kW | 15–22.5 kW |
Practical examples:
- Detached house, 120 m², well insulated, supplementary heating only: 8–10 kW stove
- Detached house, 150 m², average insulation, whole-house heating: 12–15 kW pellet stove
- Semi-detached house, 80 m², living-room use: 6–8 kW wood stove
Tip: have a heating professional calculate the exact heat load – even a 20% sizing error will cost you efficiency for years.
Brands and Popular Models
Prity
- Wood stoves: typically €300–500 less than premium German brands, with solid build quality
- Pellet stoves: €3,500–5,500 (with hot-water storage up to €8,000) – fully automatic and popular with private customers
Bosch (German, premium)
- Wood stoves: €4,000–7,000 – premium build quality with strong service support
- Pellet stoves: €5,500–9,000 – top efficiency and design for quality-focused buyers
Other brands: Koppe (Germany), Lorenz (Germany), Edilkamin (Italy) – all certified to BImSchV II and ECODESIGN.
Setup and Chimney Requirements
Components of a stove installation:
- The stove itself: on a non-combustible base (tiles, natural stone, concrete)
- Chimney: masonry or steel-pipe chimney
- Flue pipe connection: stove → chimney (typically Ø 150–200 mm)
Chimney requirements:
- Inner diameter at least 150 mm for wood (80 mm possible for pellets, but 150 mm is better)
- Sufficient flue-gas temperature for proper draught
- Chimney sweep approval is mandatory before first use!
Common mistakes:
- Chimney too narrow → insufficient draught, smoke in the room
- Blocking a neighbour's flue → illegal and expensive
- No cleaning access at the base → risk of soot fire
Seasonal Planning: When to Buy and Install
Peak season (October–November): everyone is planning heating for the coming winter; installer appointments book up fast. Recommendation: buy in August–October for installation in October–November.
Off season (June–July): lower demand and easier installer scheduling, though delivery times can vary.
Best approach: plan in spring (March–April) for an autumn installation.
Cost Calculation: 10 Years of Operation
Scenario: 6 kW wood stove as supplementary heating (approx. 120 operating days/year)
Fuel: 5–7 stacked cubic metres of wood per year at approx. €150 = €750–1,050/year · Maintenance (chimney sweep): €80/year · Repairs: €100–200 every 5 years → annual running costs approx. €850–950; 10-year total approx. €9,000 (plus €3,500 purchase = €12,500 overall)
Scenario: 10 kW pellet stove as main heating (6-month heating season, approx. 8 hours/day)
Fuel: approx. 6–8 tonnes of pellets/year at €400/tonne = €2,400–3,200/year · Maintenance: €200–300/year · Repairs (electrical components): €300–500 every 5 years · Electricity (fan, igniter): approx. €100/year → annual running costs approx. €2,800–3,700; 10-year total approx. €31,000–37,000 (plus €6,500 purchase = €37,500–43,500 overall)
→ The pellet stove costs more to run but is more reliable and lower-maintenance – and pays off against gas heating as gas prices rise.
Common Buying Mistakes
- Cheap stove, no professional installation: saves €1,000 up front, costs far more through poor operation
- Wrong sizing: too big = throttled operation, too small = not enough heat
- Not checking the BImSchV II certificate: the stove is non-compliant and the chimney sweep will refuse approval!
- Poor chimney quality: draught problems, soot build-up, expensive to fix
- Skipping maintenance: clogged ash and filters make efficiency drop rapidly
Next Steps
- Check your building's heat demand: what stove size do you need?
- Have your chimney inspected: the chimney sweep will do this anyway
- Decide between wood and pellets: based on your lifestyle and budget
- Get installer quotes: at least three
- Buy your stove at jacobwarm.com: wide selection of Prity, Bosch and more with EU-wide delivery – or contact us at office@jacobwarm.com or +49 (0) 2274 90398 40
Browse all BImSchV II-compliant stoves and fireplaces: Fireplaces & Stoves at jacobwarm.com
