Commercial — Pellet boiler

Kalorina LE-PA Classe 5 (Pellet)A++Class 5
135–500 kW

Range of medium-output Class 5 EN 303-5:2021 boilers with Low-NOx combustion technology. Energy class A++ and 5 environmental stars (DM 186). Guarantees high energy efficiency with extremely low emission coefficients, granting access to thermal incentives and energy efficiency certificates.

Low-NOx combustion technology with combustion chamber designed by computational fluid dynamics

HomeProductsKalorina LE-PA Classe 5 (Pellet)

Kalorina LE Classe 5 — Présentation vidéo

Available models(6 variants)

Certifications :EN 303-5:2021 Class 5ErP A++5 etoiles DM 186EN 17225-2
Technical schema

Dimensions and architecture

Front view, side view with silo, top view — from the manufacturer's technical sheet.

Schéma technique du Kalorina LE-PA Classe 5 (Pellet) — dimensions et architecture

Schema extracted from the official manufacturer's technical sheet. All dimensions (R, S, K, H, N, C, P, B, L, A, O, Q) are detailed in the full PDF.

Certified fuels

Manufacturer-certified fuels

Compliant with European EN ISO 17225 standards — performance guaranteed by the original technical sheet.

EN ISO 17225-2

Wood pellets

Cylindrical compressed wood pellets, Ø6 to 8 mm, moisture < 10%. Standard high energy density fuel.

EN ISO 17225-4

Wood chips

Shredded wood chips, granulometry P16S to P31S. Cost-effective solution for large surfaces and automated silos.

EN ISO 17225-5

Log wood

Dry log wood, length 33 to 50 cm, moisture < 25%. Manual loading, autonomy depending on the firebox.

Specifications according to the manufacturer's technical sheet. Using non-compliant fuels voids the warranty and may shorten the boiler's lifespan.