He has a hypocaust running under the main rooms to keep them cozy in winter.
In 1824 was found the hypocaust now in the grounds of the Girls ' High School, Greenhead.
It seems probable that this room contained a hypocaust and it may have related to a bath-house wing of the village.
In Britain the Romans found it so cold that they invented a sort of central heating called a hypocaust.
The gardens contain Roman artifacts from over the city and include a replica hypocaust (central heating system ).