The SIERRA.16 A from La Nordica Extraflame represents a complete solution for biomass home heating. Designed to power radiators, designer radiators, or underfloor heating, this hydronic stove harnesses the heat of wood to efficiently heat the entire home, reducing energy consumption and leveraging a renewable energy source.
Thanks to its compatibility with open and closed circuit systems , SIERRA.16 A adapts easily to both new and existing installations, offering great design flexibility.
With a nominal power of 15.4 kW , of which 10.2 kW are transferred to the system water , it is capable of heating rooms of up to 442 m³ , ensuring uniform comfort throughout the home.
The sturdy steel and cast iron construction, large 51-liter oven, and optimized firebox ensure high performance, long life, and efficient combustion. The 86% efficiency rating and DM 186 5-Star Environmental Certification demonstrate the product's high efficiency and low environmental impact.
In addition to heating your home, SIERRA.16 A offers the pleasure of traditional cooking thanks to its integrated oven, ideal for preparing bread, pizza, roasts and numerous other recipes using the natural heat of wood.
It is the ideal choice for those who want a complete, economical, ecological and classic-design heating system, with all the reliability of the La Nordica Extraflame brand.
Advantages
✔ Heats the entire home through the plumbing system.
✔ Ideal for radiators and underfloor heating.
✔ Use wood as a renewable fuel.
✔ Low consumption ( 4.1 kg/h ).
✔ Large built-in oven for cooking.
✔ High energy efficiency.
✔ 5 Star environmental certification.
✔ Sturdy and durable structure.
✔ Reduction in heating costs.
✔ Perfect for detached homes and country houses.
Technical data sheet
| Characteristic | Specification |
|---|
| Brand | The Nordica Extraflame |
| Model | SIERRA.16 A |
| Typology | Wood-burning hydro stove with oven |
| Fuel | Wood |
| Installation | Open vessel and closed circuit |
| Rated power | 15.4 kW |
| Power output to water | 10.2 kW-H₂O |
| Performance | 86% |
| Seasonal yield | 76% |
| Heatable volume | 442 m³ (*) |
| Hourly consumption | 4.1 kg/h |
| Dimensions (W × H × D) | 1252 × 858 × 665 mm |
| Fire mouth size | 267 × 179 mm |
| Firebox dimensions | 297 × 626 × 454 mm |
| Oven dimensions | 333 × 363 × 430 mm |
| Oven capacity | 51 liters |
| Maximum wood length | 33 cm |
| Net weight | 310 kg |
| Smoke exhaust | Ø 150 mm (top/rear) |
| Environmental Class DM 186 | ⭐⭐⭐⭐⭐ (5 Stars) |
| Energy class | A+ |
| Regulations | Certified EN 16510-2-1 |
(*) The heatable volume is indicative and refers to a requirement of 30 kcal/h per m³.
FAQ
Can SIERRA.16 A be installed on both open and closed-circuit systems?
Yes. It is designed to be connected to both types of systems, offering maximum versatility.
How much surface area can it heat?
Thanks to the power of 15.4 kW , It can heat rooms up to approximately 442 m³ , depending on the building's insulation.
What is the power transferred to the water?
The thermo stove transfers 10.2 kW directly to the heating system.
Is there an oven?
Yes. SIERRA.16 A is equipped with a large 51-litre oven , ideal for cooking with the heat of wood.
What is the wood consumption?
The average consumption is approximately 4.1 kg/h , variable according to the power used and the quality of the fuel.
Is it compliant with environmental regulations?
Yes. The product is 5 Star DM 186 certified, compliant with the EN 16510-2-1 standard and respects the Ecodesign requirements.
