Page 137 - doi_historicproperties2017

REHABILITATION

MECHANICAL SYSTEMS: HEATING, AIR CONDITIONING, ELECTRICAL, AND PLUMBING

RECOMMENDED NOT RECOMMENDED
Installing appropriately located, exposed ductwork in historically-
unfinished interior spaces in industrial or utilitarian buildings.
Installing a split system mechanical unit in a manner that will Installing a split system mechanical unit without considering its
have minimal impact on the historic character of the interior and impact on the historic character of the interior or the potential loss
result in minimal loss of historic building material. of historic building material.
Installing heating or air conditioning window units only when
the installation of any other system would result in significant
damage or loss of historic materials or features.

Installing mechanical equipment on the roof, when necessary, Installing mechanical equipment on the roof that is overly large or
so that it is minimally visible to preserve the building’s historic highly visible and negatively impacts the historic character of the
character and setting. building or setting.
Placing air conditioning compressors in a location on a secondary Placing air conditioning compressors where they are highly visible
elevation of the historic building that is not highly visible. and negatively impact the historic character of the building or
setting.

[34] The new ceiling
ducts installed during
the conversion of this
historic office building
into apartments are
minimal in design and
discretely placed above
the windows.

MECHANICAL SYSTEMS 127