Requirements for boiler rooms

Boiler room equipment in accordance with the regulations

The height of the boiler room should be at least 2.2 m, and in existing buildings, 1.9 m is allowed, but then proper supply and exhaust ventilation should be provided.

The supply ventilation must take place through a non-closed opening with a cross-section of at least 200 cm ² located at a height of not more than 1 m above the floor level.

On the other hand, exhaust ventilation should take place through an exhaust duct made of non-combustible material with a minimum cross-section of 14 x 14 cm, with an inlet opening under the boiler room ceiling. The exhaust air duct should lead out above the roof and located near the chimney.

A small boiler, up to 25 kW, should be located in a separate room, preferably centrally in relation to the heated rooms. When the boiler has a capacity of more than 25 kW, the boiler room must meet additional requirements.

The entrance door to the boiler room should be non-flammable (fire resistance class 0.5), open to the outside and at least 80 cm wide. The area of ​​the windows must not be less than 1/15 of the floor area of ​​the boiler room and at least half of the windows should be open.

Information on the requirements to be met by a solid fuel boiler room can be found in the PN-87 / B-02411 standard "Built-in solid fuel boiler rooms".

source and photo: METAL-FACH Technika Grzewcza