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Customer Benefits
Fuel Savings of about 1 US gallon per hour, on the order of 2000-4000 gals. per year, per AAC bus.
Maintenance cost savings up to $1,500 per bus/yr.
Reliability up to 8 times greater than refrigerant a/c.
Life cycle costs over 70% lower than refrigerant a/c.
Five times faster temperature pull-down.
Higher air flows for enhanced passenger comfort and cleaner, fresher interior air.
No specialized training for mechanics.
No Toxic chemicals.
No ozone destroying chemicals.
No global warming chemicals.
Cooling Performance
Adiabatic Air Conditioning (AAC) performance has been extensively documented under research, development and testing programs funded by the US Department of Transportation and US Environmental Protection Agency. AAC systems are approved for US Federal and Military Specifications (MILSPECS).
Direct comparison tests between refrigerant and AAC equipped vehicles have been conducted in a wide variety of climate conditions in a variety of areas.
These comparison tests between adiabatic and refrigerant cooling systems have been based on industry-standard pull-down tests, which typically form the basis of cooling performance specifications. Three major conclusions are evident and documented:
AAC systems produce more cooling in the first 5 minutes, than refrigerant units produce in the 20-30 minute pull-down tests.
AAC systems produce significantly lower coach temperatures during the tests.
AAC systems and meet or exceed ASHRAE cooling standards.
VehiCool AAC systems are specifically designed and sized for local and regional climate conditions. In addition to measurable temperature reductions, AAC systems provide substantially higher air volume, which further enhances passenger comfort. Cooling performance test data is available on request.
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