Bowen Island · Project

Bowen Island Geothermal Retrofit

Explore this room in 3D

A geothermal retrofit of an existing mechanical room on Bowen Island, with radiant floor heating and cooling. Here is the room before and after.

Before and after

Mechanical room

Before: old concrete mechanical room with the original geothermal unit and older piping

After: GeoStar geothermal heat pump with the black buffer tank and expansion tank beside it

Radiant manifold

Before: old red PEX radiant manifold in a wood-framed wall

After: new insulated radiant manifold with blue zone controllers

Boiler and tanks

Before: Viessmann Vitodens boiler and tank beside the old piping

After: new IBC boiler on a plywood panel with controls, buffer tank and hot water tank

More of the finished system

After: new GeoStar geothermal heat pump with insulated piping to the wall manifold

After: white hot water tank, expansion tank and black buffer tank with insulated piping

After: white hot water tank, expansion tank and new IBC boiler on a plywood panel

After: black buffer tank with insulated piping and controls

Before

Before: older piping and fittings on the concrete wall

Before: the original heating equipment with its front cover off

Before: old copper piping and valves in the mechanical room

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