HISTORICAL OUTLINE OF VENTILATION DEVELOPMENT
Early medieval excavations confirm the use of fire–air heating as early as the 5th century.
When the room was heated through the channels under the floor through the same channels, fresh air flowed in.
Palladius in his first … read on

Smoky cottages (so-called. kurne chaty) could be found in Poland almost until the end of the last century. In these huts there was a fire on the so-called "baba". It was a pedestal made of clay, … 


CENTRAL HEATING
HEATING WITH STOVES