Hart Chimney Systems are three layers chimneys which to be used with wood,coal,gas and fuel oil.
The ceramic pipes to be used inside of Hart Systems which is durable against acids and they insulated with rockwool. Therefore chimney gas temperature reduces very low and to be provided very good aspiration at chimney. Base and outside of chimney manufactured from Pumice (Bims) which has very good specifications. This chimney systems can be used in all kind of constructions.
Hart Chimney Systems 
