What is a Johnson Air Rotation® System? Heating Specifications for Heating Heating Unit Features Heating Efficiency Comparison Cooling Specifications for Cooling Cooling Unit Features Cooling Efficiency Comparison Heating & Cooling Specifications Unit Features Efficiency Comparison Johnson Air Rotation®  Optional Features Industry-Specific Applications Heating Efficiency Comparison Installation of a Johnson Air Rotation® system helped a warehouse/distribution facility in Pittsburgh, Pa., reduce fuel use by 65%-for a savings of $115,000 in one heating season. Original Space 130,000 square foot warehouse facility heated by over 15 unit heaters Seasonal gas usage by unit heaters equaled 131,277 Therms This equals an average natural gas consumption of approximately 1.009 Therms/per square foot per season Expansion Project-Heat source changed throughout Facility expanded to 245,000 square feet, to a total of 375,000 square feet Removed all existing unit heaters Installed Johnson Air Rotation® Systems Seasonal natural gas usage for the expanded facility equaled 85,054 Therms This equals an average natural gas consumption of 0.347 Therms/per square foot per season Actual Seasonal Heating Cost Comparison Unit Heaters @ 1.009 Therms/square foot * $0.70/Therm * 245,000 square feet = $173,043.50 Air Rotation® @ 0.347 Therms/square foot * $0.70/Therm * 245,000 square feet = $59,510.50 TOTAL SAVINGS PER HEATING SEASON = $113,533.00 This savings reflects over 65% savings in fuel use per season.