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the throat of the thin-walled insert ensures a perfect connection
suitable for small spaces, measuring 32 x 32 cm
resistant to temperature shocks
high resistance to direct flame
chimney liners can be shortened as required
easy cleaning of the liners
possibility of drawing combustion air through the chimney body
suitable for basic dry operation, but also for wet operation

The HELUZ SMART chimney system combines a 32 cm × 32 cm square floor plan with the most desirable circular isostatic liner diameters of 160 mm and 180 mm. Ceramic chimneys usually have larger dimensions (40 × 40 cm), so this is really a very subtle construction in terms of what is incorporated in the chimney. This is the smallest ceramic block chimney on the market. One of the advantages of the HELUZ SMART chimney system is therefore space saving.

HELUZ chimney systems were the first in the Czech Republic (and so far the only ones) to be certified according to the new European standard. They allow to reduce the gap between the chimney and combustible materials up to 30 mm, while maintaining 100% fire safety. This, of course, also applies to the HELUZ SMART chimney. High-quality materials ensure that the HELUZ SMART chimney is resistant to soot burn-out and temperature shocks. The novelty also resists aggressive flue gases and condensates. It safely and reliably discharges flue gases into the open air, but the design does not allow air to be drawn in to the appliance, a feature offered by other HELUZ systems.

The HELUZ SMART chimney set can be supplemented with accessories such as various types of chimney canopies or anchoring to the roof trusses, according to the customer's wishes. Vapour barriers are also available for the quality and safety of the construction details in the ceiling and roof area. All components are in stock and ready for assembly, which allows for a maximum reduction in delivery time.
The HELUZ SMART chimney stack consists of a one-piece ground ceramic block cladding into which an insulated isostatic liner is inserted on site. This is insulated from the factory, which reduces the number of steps in the installation itself, making it significantly faster, easier and safer

Universal chimney for solid, gaseous and liquid fuels
Does not increase the energy loss of the building
Suitable for low-energy houses

Another advantage of the new HELUZ SMART chimney is its versatility. It is suitable for the vast majority of common appliances, can handle solid, gaseous and liquid fuels, dry and wet operation. Certification not only for basic dry operation, but also for wet operation (for example, in modern automatic coal or pellet boilers, the moisture contained in the flue gases precipitates on the walls of the chimney liner and flows down) is another advantage of the new HELUZ SMART chimney.
The certification is proof of the quality and versatility of the chimney. The customer is not limited as to which appliance can be connected to the chimney, as it has a certified universal chimney for dry and wet operation, which can be used for almost any appliance.
In addition, the HELUZ SMART chimney is sufficiently tight in the interior part so that it does not increase the energy loss of the building or, for example, complicate the operation of the domestic air conditioning system. A chimney with an ordinary fireclay liner must have a ventilation grille that connects the interior to the exterior for drying and safety reasons. But because the HELUZ SMART chimney has a premium quality internal isostatic liner that does not need ventilation, the bottom grid is not needed. It is therefore suitable for low-energy houses.
"HELUZ has thus prepared a solution for all builders who want a high-quality, layout-efficient chimney for their smartly designed and economical house," explains Martin Coufalík, product specialist at