Philadelphia Mixed-Use Tower Leverages Geniox+ to Improve Efficiency, Save Space, and Ease Labor

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Riverwalk 2

The two gleaming towers that make up the Riverwalk mixed-use community along the Schuylkill River in Philadelphia’s Center City ooze luxury, with gleaming glass facades, rooftop terraces, a Pilates studio, infinity pool, outdoor field house, and many more amenities.

Designed by Gensler, the two buildings are cohesive but also are intentionally unique. The 28-story tower houses most of the amenities and 72,000 square feet of retail space, along with 331 apartment units. The adjacent 32-story tower includes 380 apartment units and a small retail area.

What residents and visitors don’t see within is an innovative new fresh air system that is more versatile and easier to install than traditional systems while saving space.

Rather than using a more cumbersome fresh-air system made up of separate field-installed VRF and ERV units connected by ductwork, engineer Rob Lowry, Executive Sales Leader of Pennergy Solutions, opted for what would become a more labor- and energy-efficient approach using Geniox+ air handlers. To supply fresh air for the first 12 floors, the first tower of Riverwalk features a fully integrated Geniox+ air handler with a VRF coil, energy recovery wheel, and EEV kit from Samsung. The Geniox+ unit connects to a separate compressor and condenser coil.

The resulting system consolidated two units into one, freeing up space and reducing maintenance needs. In fact, by integrating the components into single air handlers, the units fit into a confined area in the third-floor mechanical room.

Because Riverwalk is one of the first applications of this technology, Lowry worked closely with the design team of Mechanical Advantage (Matthew Nealon) and Advanced Engineering (Derek Fink),  contractor Falasca Mechanical Dan Falasca III), and manufacturer Systemair to design the system. They visited Systemair’s manufacturing facility in Canada to undergo in-depth training and product testing of the final product.

Along with its other benefits, having the ERV and VRF systems factory installed in one unit provides for nearly plug-and-play installation on the jobsite. In addition, each Geniox+ unit requires connecting just two sets of pipes to connect, easing the labor burdenf

Geniox+ is designed to accommodate a range of third-party components in one system, including controllers. Lowry specified a universal control kit from Samsung. Instead of a compressor with a single speed, it allows for multiple speeds for increased energy efficiency and for use of refrigerant with the heating and cooling coil, rather than water that would require a boiler and hot water pipes, while still meeting the design intent.

Geniox+ allowed us to take a complex system requiring complicated field setup and design a factory-built system in its place. The result is simpler, streamlined installation.

Rob Lowry
Executive Sales Leader, Pennergy Solutions

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