MONUMENTAL GEO GEOTHERMAL ENERGY IN THE PUBLIC SECTOR. Presented by: Mark Gilbert, PE, LEED AP MSA Professional Services

Transcription

1 MONUMENTAL GEO GEOTHERMAL ENERGY IN THE PUBLIC SECTOR Presented by: Mark Gilbert, PE, LEED AP MSA Professional Services

2 Geothermal Basics 1. Energy exchange with the Earth 2. Takes advantage of the stable temperatures underground 3. Rejects heat to the earth in cooling mode 4. Harvests heat from the earth in heating mode 5. Extremely efficient a. Heating CoP- up to 6.0 b. Cooling SEER up to 30

3 St. Anthony s Grade School Effingham, Illinois Geothermal heat pump units located in central service corridor.

4 ILLINOIS MUNICIPAL ELECTRIC AGENCY Springfield, Illinois Geothermal water-to-water units provide hydronic heating and cooling.

5 Nicholas Botanical Conservatory Rockford, Illinois

6 Nicholas Botanical Conservatory Rockford, Illinois

7 Nicholas Botanical Conservatory Rockford, Illinois Focus on Sustainability: Geothermal heating and cooling systems Water-to-water units for Greenhouse heat Reuse of geowater for irrigation and pools Photovoltaic systems for on-site power Targeted LEED Silver

8 Nicholas Botanical Conservatory Rockford, Illinois

9 Nicholas Botanical Conservatory Rockford, Illinois Water-to-water heat pumps provide efficient heating for the greenhouses.

10 Nicholas Botanical Conservatory Rockford, Illinois Heat exchanger transfers geothermal energy from well water to the heat pump system.

11 Nicholas Botanical Conservatory Rockford, Illinois 6000 gallon tank retains geowater for use in irrigation systems and water features.

12 Nicholas Botanical Conservatory Rockford, Illinois Deep in the jungles of Rockford, Illinois.

13 At MSA, we work with a wide variety of geothermal clients Architects Developers Municipalities Homeowners Industry

14 Presidents

15 Lincoln Tomb Springfield, Illinois

16 Lincoln Tomb Springfield, Illinois Existing systems from the 80 s were outdated and only partially functional.

17 Lincoln Tomb Springfield, Illinois Cooling tower installed in 1980 was unsightly and noisy. Following its failure in 1995, it became merely unsightly.

18 Lincoln Tomb Springfield, Illinois

19 Lincoln Tomb Springfield, Illinois Twenty four boreholes were located in a greenspace near the tomb.

20 Lincoln Tomb Springfield, Illinois Greenspace prior to commencement of drilling operations.

21 Lincoln Tomb Springfield, Illinois Drilling operations at the site were coordinated with funeral ceremonies.

22 Lincoln Tomb Springfield, Illinois To prevent damage to granite structure, a directional boring machine was used to tunnel under the foundation to access the interior mechanical room.

23 Lincoln Tomb Springfield, Illinois New piping manifold in the Tomb interior.

24 Lincoln Tomb Springfield, Illinois Energy recovery ventilators were installed to temper outdoor air with waste heat from the exhaust air stream.

25 Lincoln Tomb Springfield, Illinois New geothermal heat pump and piping. Due to the narrow mechanical spaces, all equipment had to be disassembled and brought in a piece at a time.

26 Lincoln Tomb Springfield, Illinois Visitors are now able to contemplate this memorial in a comfortable environment without distraction from noisy mechanical systems.

27 Summary Lincoln Tomb Springfield, Illinois Geothermal heat pumps provide efficient heating and cooling (50% energy savings over conventional) Dehumidification capability helps to preserve historic finishes and artifacts Decoupling from domestic water supply provided improved temperature control at lower cost Tomb visitors are greeted with a quiet, comfortable environment

28 Geothermal Summary Wide range of geothermal applications Creative solutions for difficult problems Secondary uses of geowater Energy savings offset system costs Increased comfort and efficiency for owners and users Photos courtesy Illinois Historic Preservation Agency, Abraham Lincoln Presidential Library and Museum, and Mellotte Morse Leonatti Parker, Ltd.