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Geothermal Case Study: Red Tail Ridge

Tuesday, June 15th, 2010
Red Tail Ridge

Red Tail Ridge

Customer: Geocorp

Location: Penn Yan, NY

Project: Red Tail Ridge Winery: HVAC and Wine Process Cooling with: Geothermal, Radiant, HRV, Energy Management

Web:

redtailridgewinery.com


Red Tail Ridge is a Finger Lakes winery using an Eagle Mountain geothermal system for HVAC and process cooling.

An industry leader in sustainability and innovation, the new facility at Red Tail Ridge will be LEED certified and delivers a 40.1% total energy savings.  The system components include geothermal, radiant heating, heat recovery ventilation, and Ecô energy management.

System Background

The system design calls for a 20-ton closed-loop geothermal heat pump system to heat and cool the building, and to provide chilled water for process cooling. The system consists of four (4) 5-ton Cascade water-to-water heat pumps, a horizontal closed-loop “GeoSlinky” ground loop heat exchanger, and a custom Hydronic Control Panel.

Geothermal Heat Pumps

Two geothermal heat pumps are dedicated to space heating and cooling. Radiant floor heating is installed in the process, case and barrel storage, and bottling areas. A fan coil unit provides for cooling and heating loads in the laboratory located on the mezzanine level.

The other two water-to-water heat pumps generate chilled propylene glycol to meet the process cooling requirements of winemaking.

Horizontal Slinky Loop

The horizontal slinky loop consists of eight trenches, each 130 feet long with 4 feet spacing between each trench. The slinky coil is 34- inches in diameter with 18-inches of pitch. A propylene glycol solution is circulated through the ground loop heat exchanger and the water-source heat pumps by a variable flow/variable speed loop pumping system.

Heat Recovery Ventilation

Ventilation air will be introduced into the building through a heat recovery ventilator (HRV). The HRV includes a flat plate heat exchanger that transfers energy between building exhaust and outdoor air streams.

Control System

The entire HVAC system including wine process cooling is controlled by Eagle Mountain’s Ecô energy management system.  This “virtual control device” replaces all hardware control devices and is accessible from any Internet connection in the world.

The Ecô energy management system has additional benefits for Winemakers.  This browser-based system allows the Winemaker to control and monitor the winemaking process remotely. Ecô provides Winemakers an innovative alternative to manual operation of the Winemaking process.

Click to learn more about The Ecô energy management system.

Design & Installation

Eagle Mountain specified the system design, integrated and supplied all components, and provided consulting services for the application of geothermal technologies for LEED certification.

Geocorp, an alternative energy installer located in Western New York, installed the system at Red Tail Ridge.