760 Long Road Crossing Dr. • Chesterfield MO 63005 800-899-1989 • www.cambridge-eng.com Operating Costs Based on: 136,042 therms for 2007-08 heating season Normalized to 30 year averages $0.25ft² Total cost After - Cambridge Space Heaters RETROFIT CASE STUDY Cambridge Space Heaters vs. Unit Heaters Food Distribution Warehouse Copyright Ó 2006 Cambridge Engineering, Inc. All Rights Reserved Before – Unit Heaters Operat

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