Abstract
The paper presents the basic issues related to heating and ventilation of historic sacred buildings based on a review of available literature. It gives guidelines for designing and calculation method of useful heat demand as well as shows vulnerable issues which must be considered during designing process. The article focuses on pros and cons of warm air heating and low temperature radiant heating (“friendly heating”). The applicability of using these heating methods in the University Church in Wrocław (Poland) was considered.
Highlights
Heritage buildings constitute an important historical and cultural value of human’s activity
Fresh air is provided by the ducts to the heating and ventilation units (HV), which are situated underneath the grilles
Due to the specific construction of sacred buildings, designing heating and ventilation system requires an individual approach. It should be preceded by inspections of the air parameters in different seasons to determine the unique microclimate prevailing in the interior
Summary
Heritage buildings constitute an important historical and cultural value of human’s activity. They can be defined as objects at a certain age under legal preservation. There are a few basic constructional and architectural features that characterize most of the sacred historical buildings in Poland: wide, uninsulated walls with large heat capacity, lots of high, single glazed windows with high heat transfer coefficient, high monumental rooms with large cubature comparing to a very small zone occupied by people. Interior equipment preserved in churches is an important issue. It usually consists of valuable artefacts such as carvings, paintings, liturgical items and organs [1, 2]
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