St. Mary's Academy

What

• Preventative Maintenance 
• Building Automation & Control 
• Energy Management

Who

Private School

Where

New Orleans, Louisiana

Energy Savings with Proper Energy Management

The school‘s HVAC system had at some point in time reverted to factory default settings, which resulted in the school’s utility bills to run more than double other schools of a similar size. Malfunctioning sensors and subroutines were causing heating coils to energize to full capacity while in cooling mode wasting enourmous amounts of energy.
The Challenge
The Building Automation System (BAS) had improperly programmed schedules and thresholds along with malfunctioning communication lines. This caused the school‘s HVAC system to revert to factory default settings, which resulted in the school’s utility bills to run more than double other schools of similar size. Malfunctioning sensors and subroutines caused heating coils to energize to full capacity while in cooling mode.
The Solution

Star Service, at no additional cost to St. Mary’s, installed control boards in each unit that were  programmed with customized schedules and override pushbuttons for temporary off-schedule cooling needs. We also repaired sensors and implemented new Energy Management subroutines, which would prohibit the system from  simultaneously heating and cooling.

The Results
In the first year of the implementation of our Energy Management Services, the school saved more than $63,000 and reduced their energy consumption by 40% compared to the previous year’s utility bills. The savings are being re-allocated to the scholarship funds for potential students.

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