The energy expenditures in office buildings account for 23% of energy expenditures in commercial buildings. Of all the commercial building types, office buildings have the highest total expenditures for energy, totaling $15.8 billion per year. Most of this is for electricity.

Office buildings use 2,039 trillion Btu of primary electricity. Lighting accounts for the most energy use, followed by space heating, and then by office equipment.

Ten panels of the Tri-Brid system would collect enough energy to match about one third to one half the energy requirements per floor. Depending upon the number of floors, a roof space of 2400 square feet will typically have 25% of its space used for air conditioning and ventilation units, leaving 1800 square feet to accommodate solar collectors.

A paramount advantage of the Solar Collector system is that its energy storing efficiency is at its peak mid-day, when energy demands are at their highest.

This allows the solar energy to be used to decrease peak power demands, thus securing a lower energy usage charge from the utility company.

Robert Matthews of Kalahari Greentech states, "One third of the energy load savings for ten floors is $1000/month or $100 per floor on average. This does not take into account that the building may be largely empty on the weekends, thereby allowing the solar equipment to collect and store thermal and electric energy for use during prime usage times. ROIs will only decrease in length with the rise in energy costs."

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