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Utilizing simple timed on/off control for all HVAC and
lighting zones, the building can be segregated into individual tenant
zones. Then the building automation system can shut down the tenant zones
when outside of normal lease times. If the tenant wishes to utilize the
space after hours, he must initiate an override (using a simple automated
telephone interface from his office) to signal the system to preserve his
working environment. Whenever an override is initiated, the system tracks
the energy consumption and/or run times of equipment, and the tenant is
automatically billed for his after hours usage.
Besides energy
savings, this system allows for recovery of tenant after hours costs,
realistic and equitable shared costs for the tenants and lower lease
rates. Tenants can be billed by Cost per Hour, Cost per kWh or Cost per
square foot per hour.
The
"TenantExec.NET"® has full featured sub metering capability. Rate
structures can be established to mimic local utility pricing schemes
including block kWh/kW, Time of Day kWh/kW or straight kWh. Access to
billing and data review functions are accessible to any standard web
browser via intranet or internet connectivity.
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A multi-faceted
Windows (GUI) with communication drivers for many common BMS networks. It
is applicable to any non-residential facility including office buildings,
manufacturing concerns, schools, and hospitals. This system is capable of
providing energy savings in the range of 5% to 40% and has proven this in
the field already.
Savings are
accomplished by automatic control of all energy consuming HVAC, lighting
and process equipment. Control strategies include time scheduling, holiday
programming, optimum start/stop, temperature control, demand shedding,
duty cycling and equipment optimization.
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