Heat-resistant steel pipes https://ukrstarline.ua/ru/chernyj-metalloprokat/stalnaya-truba/truba-iz-korrozionno-stojkoj-zharoprochnoj-stali-kotelnaya can be integrated into an existing chimney to increase safety and optimize the combustion process. They are easy to install, easy to maintain, corrosion-resistant and have a long service life. Metal pipes retain heat well and provide high draft, which contributes to more intense combustion. A thermal pipe can be purchased for installation both indoors and outdoors. Due to their lightweight design, such chimneys can be installed in any buildings and on different floors.