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"LAKAL" LTD. is an engineering company specializing in the design and construction of heating, ventilation, air-conditioning and solar installations for the household, public and industrial buildings.

The company's strength lies in the complete and technically satisfactory solutions offered - from the design to the start of exploitation stages.

This, together with the skills of the proficient company teams, gives every client security and comfort during exploitation and a guarantee for maximum energy efficiency.

Water-jacketed fireplaces DYNAMIC ENG



New products

Pellet burner NANI 10-35kW

New generation pellet burner NANI 10-35kW, suitable for installation on wide range of solid fuel boilers pellet boilers with reversed flame, wood gasifying, small warm air generators, small furnaces, dryers, paint shops etc.


Complete with: screw feeder with reducer L=1500мм., water temperature probe, power cable and mounting flange  for the boiler.


Integrated control panel with large display, detailed description of all parameters and integrated control regulation on the heating pump.

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Tubular heat exchangers

Shell & tube heat exchangers with straight corrugated tubes.


They offer the ideal solution when there is very high flow in comparison to heat transfer especially in swimming pools, solar systems and oil preheating.


Corrugated tubes intensify heat exchange and reduce fouling.



  • high flow at low pressure loses
  • compact sizes
  • resistance to aggressive substances in swimming pool water (e.g. fluorine, chlorine).


SECESPOL Sp. z o.o. is a manufacturer of tubular and plate (brazed and frame) heat exchangers with  application in the domestic, public and industrial sectors. 


LAKAL LTD is the official representative for SECESPOL Sp. z o.o. in Bulgaria.


If you would like to send us an inquiry for a quote, please send us the starting technical data in order for us to calculate the proper heat exchanger (heat exchangers) or contact us for consultation:   


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