Historic Benton County Courthouse

Analysis: Energy audit (ASHRAE Level II), model, and life cycle cost (LCC) analysis for hydronic geothermal heating system for 28,000 square foot courthouse and offices.

• DOE2 eQuest model of building energy consumption using calibrated with interview and utility data

• Construction, Operation, and Maintenance cost estimating

• Life cycle cost analysis using Department of Energy BLCC5 (Federal Life Cycle Cost Methodology and Procedures)

• Evaluation of first and life time cost for multiple retrofit options:

• Retain steam heat

• Conversion to hydronics with condensing boilers

• Vertical ground loop heat pump hydronic system

• Horizontal ground loop heat pump hydronic system

• Sewage heat recovery heat pump hydronic system

• City water heat recovery heat pump hydronic system