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Holy Blossom Temple Renewal - Phase I


Designed by Diamond Schmitt Architects

An ambitious renewal project, that began schematic design in 2011, consisting of additions and alterations to the existing building and the introduction of an atrium space to improve connectivity between all areas of the building that were built in different phases over the years (original building in 1938 and the next major addition in 1960). The project was divided into three phases. Phase 0 is an enabling phase with the introduction of a new elevator. Phase 1 includes the new atrium and retrofit to areas east of the atrium, while Phase 2 will retrofit the areas west of the new atrium. The project is targeting LEED NC Silver certification.

S + A Services Included:


The aged mechanical infrastructure could not support the scope of the additions and alterations and so, for the most part, were demolished and replaced with new. Some re-use of existing distribution ductwork (e.g. In Sanctuary) helped to avoid unnecessary restoration.

A new central heating and cooling plant was created in the new addition that allowed for the phased demolition of the existing plant. High efficiency condensing boilers are utilized and the chilled water plant includes a free cooling mode to generate cooling water for internal spaces when outdoor air temperatures permit. A combination of constant volume air handling (atrium) and a four pipe fan coil system serves most areas of the building. All outdoor air is pre-conditioned using heat recovery. There is also a operable window ventilation mode for the atrium that will utilize the smoke control fans and operable windows to naturally condition the atrium when outdoor conditions permit (with the air handlers shutting down).


Toronto, Ontario

Gross Floor Area

  • 99,600 sq ft

Total Construction Cost

$ 16,000,000

Completion Year