Masonry heater
Sofia, masonry heater kit with built-in firewall
Sofia is a Tiileri masonry heater of 1,950 to 1,980 kg, delivered as a kit, in a render or brick finish. The kit is available from €5,294.88 incl. VAT.
1,950 to 1,980 kg
catalogue weight
88%
efficiency (DoP)
about 4 days
installation time (indicative)
Genuine Finnish masonry heaters since 1952
Tiileri, tradition and quality, exclusively from Cœur de Foyer.
Complete kit, with its assembly plans
From 450 to 2,240 kg of heat-storing mass
Gentle, lasting warmth: up to 53.7 h of heat release
Efficiency up to 91% (declaration of performance)
Made in Finland
Heat-storing stoves, standard EN 15250
Tiileri bricks and stoves since 1952
Specifications
Catalogue weight
1,950 to 1,980 kg
Product reference sheet, 09/09/2026
Dimensions
1,070 × 775 × 1,900 mm
Product reference sheet, 09/09/2026
Nominal output
[OUTPUT: TO BE CONFIRMED]
Sources disagree
Stored energy
[TO BE CONFIRMED]
Declaration of performance and catalogue disagree
Heat release time (until output falls to 25% of peak output)
53.7 h
Product reference sheet, 09/09/2026 — DoP
Efficiency
88%
Product reference sheet, 09/09/2026 — DoP
Seasonal energy efficiency (ηs)
78%
Product reference sheet, 09/09/2026 — DoP
CO emissions
0.10% (1,250 mg/Nm³)
Product reference sheet, 09/09/2026 — DoP
Particulate matter / organic gaseous compounds / nitrogen oxides
29 / 67 / 106 mg/Nm³ at 13% O₂
Product reference sheet, 09/09/2026 — DoP
Flue gas temperature (mean / maximum)
127 °C / [TO BE CONFIRMED]
Product reference sheet, 09/09/2026 — DoP; sources disagree on the maximum
Maximum wood load
12.7 kg (5 kg, then 3.85 kg, then 3.85 kg)
Product reference sheet, 09/09/2026
Log length
33 cm
Product reference sheet, 09/09/2026
Required flue class
T600
Product reference sheet, 09/09/2026
Firewall
Built-in
Product reference sheet
Rear safety distance
50 mm according to the declaration of performance; 0 mm according to the Finnish catalogue for the version with built-in firewall. To be confirmed for each project
Product reference sheet, 09/09/2026 — DoP; factory catalogue
Safety distances at the sides and above
50 mm at the sides, 150 mm above
Product reference sheet, 09/09/2026 — DoP
Standard
EN 15250:2007
Product reference sheet
Indicative installation time
about 4 days
Factory workbook (October 2025) and records of 15/09/2026: range, indicative, not a guarantee
Warranty
5 years on Tiileri parts (materials, workmanship, operation); 2 years on doors, glass and metal parts
Manufacturer, warranty text of June 2026 — Warranty and after-sales
Standard EN 15250:2007 covers domestic heating appliances fired by solid fuel with slow heat release, that is heat-storing stoves. The declaration of performance (DoP) is the document in which the manufacturer declares the performance of the appliance measured under this standard; the Sofia’s is numbered RRF-50 21 5713. Flue class T600 means a flue designed for operating temperatures up to 600 °C.
Built-in firewall. The declaration of performance gives a rear safety distance of 50 mm. The Finnish catalogue gives 0 mm for the version with built-in firewall. These distances are not yet in the French documentation: have them approved by your installer, or ask us to confirm them for each project, before positioning the heater.
How many firings for your home?
Find your heated floor area and your home’s insulation: the chart gives the number of firings per day in severe cold.
Indicative figures for severe cold. The thermal study of your project takes precedence.
Versions
Brick · Top
€5,759.52 incl. VAT
[LINK TO BE FIXED: shop address containing ‘53-kw’]
Prices as listed on coeurdefoyer.fr on 16/09/2026.
Before you order
The supporting floor
Nearly two tonnes rest on a small footprint. The load-bearing capacity of the floor or slab is checked for each project; we do not publish a general specification.
The flue
The choice between a top and a bottom outlet depends on your flue. Have the connection approved before choosing the version.
Installation
Allow about 4 days of installation as a guide. You can have the Sofia installed by a lead installer or build it yourself.
Key points
- Masonry heater of 1,950 to 1,980 kg, 1,070 × 775 × 1,900 mm, built-in firewall.
- 88% efficiency and 53.7 h of heat release according to the declaration of performance; T600 flue.
- Four versions: render or brick, top or bottom outlet.
- Nominal output and stored energy will be published once confirmed by the manufacturer.
Sources and verification
- Weight, standard, firewall: Tiileri France product reference sheet (09/09/2026), as used in the brief of 15/09/2026.
- Dimensions, wood load, log length, flue class: Tiileri France product reference sheet (09/09/2026), factory price list cross-checked with the Finnish catalogue of 01/01/2024.
- Efficiency, ηs, heat release, emissions, mean flue gas temperature, safety distances: declaration of performance RRF-50 21 5713, as used in the product reference sheet of 09/09/2026.
- Rear distance of 0 mm: Finnish catalogue of 01/01/2024, cited by the product reference sheet of 09/09/2026.
- Prices and versions: coeurdefoyer.fr, recorded on 15/09/2026, category re-checked on 16/09/2026.
- Installation times: ranges from the factory workbook ‘Données catalogue France’ (October 2025) and the scoping records of 15/09/2026, upper value included; aligned across all pages on 25/09/2026 (Guiom’s decision).
- Page checked on 16/09/2026; translated on 25/09/2026.