Werstahl · Pellet stoves
Werstahl ZEUS ZS12Warm-air pellet stoves
Price on request
- Heat output12 kWrange 3.5–12 kW
Nominal heat output The output the appliance is tested at for normal use. Choose for your room by this figure, not by the maximum.
- Heats~120 m²manufacturer's figure
Heated area The manufacturer's figure where given; otherwise our estimate from the output, for a 2.7 m ceiling and average insulation. Insulation and layout change it.
- Efficiency84%
Efficiency How much of the fuel's energy reaches your room as heat. Higher means less fuel for the same warmth.
- Energy classA+
Energy class The EU energy label for room heaters, from A++ to G. It compares appliances of the same kind.
- Full hopper lasts11–28 hhopper 22 kg
Hopper capacity How many kilograms of pellet the stove holds, which decides how long it runs between refills.
The heated area is the manufacturer's figure — insulation and layout change it. The final recommendation is made after a home survey.
Why this model
Features
- 12 kW warm-air pellet stove, energy class A+, for spaces up to about 120 m²
- 22 kg hopper: up to about 28 hours' running on one fill
- Digital control panel for temperature, burn power and daily/weekly programming
- Built-in room thermostat: keeps the temperature steady and cuts consumption
- Automatic feed, automatic ignition/shut-down and Eco mode
- Safety pressure switch and quiet operation
- Comes with a remote control and user instructions in Greek
Specifications
Technical specifications
Nominal heat outputNominal heat output The output the appliance is tested at for normal use. Choose for your room by this figure, not by the maximum. | 12 kW |
|---|---|
Output rangeOutput range From the lowest to the highest output. A wide range lets it run gently on mild days. | 3.5–12 kW |
EfficiencyEfficiency How much of the fuel's energy reaches your room as heat. Higher means less fuel for the same warmth. | 84% |
Energy classEnergy class The EU energy label for room heaters, from A++ to G. It compares appliances of the same kind. | A+ |
Heated areaHeated area The manufacturer's figure where given; otherwise our estimate from the output, for a 2.7 m ceiling and average insulation. Insulation and layout change it. | 120 m² |
Pellet consumptionPellet consumption Kilograms of pellet burned per hour, from the lowest to the highest setting. | 0.8–2 kg/h |
| Dimensions (H × W × D) | 955 × 555 × 493 mm |
|---|---|
WeightWeight Matters for the floor it stands on and for installation. | 118 kg |
Flue diameterFlue diameter The size of the chimney pipe connection. The chimney has to match it for a safe, steady draught. | Ø80 mm |
|---|---|
Flue outletFlue outlet Where the pipe leaves the appliance (top or rear). It decides how it connects to your chimney. | Rear |
Pellet hopper capacityHopper capacity How many kilograms of pellet the stove holds, which decides how long it runs between refills. | 22 kg |
|---|---|
| Fuel | Wood pellets (ENplus A1 certification recommended) |
CertificationsCertifications European test standards the model has passed (e.g. EN 13240 for stoves, EN 13229 for inserts, EN 14785 for pellet) and Ecodesign, the EU efficiency and emission rules in force since 2022. | ISO 9001 (manufacturing quality system) · EU energy label (Regulation 2015/1186) |
|---|
Technical data from the manufacturer.
Pellet running cost
What does pellet heating cost?
Setting
a day
a month (30 days)
Enter the bag price to see the cost in €.
- 8.4 kg of pellet a day
- ~17 bags a month
- A bag lasts ~11 hours
- You refill the hopper every ~16 hours
Indicative, based on the manufacturer's consumption (0.8–2 kg/h). Real consumption depends on the room and the setting.
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