Baltimore Aircoil Company (BAC) Cooling Towers
Baltimore Aircoil Company (BAC) is a global leader in cooling tower design, providing innovative, high-efficiency heat transfer solutions for HVAC and industrial applications.
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Common Issues & Solutions
Fill media fouling/scaling
Symptoms:
Reduced cooling efficiency, higher approach temperatures, increased water consumption, visible scale buildup
Solution:
Implement proper water treatment program, clean fill media with appropriate chemicals, replace severely damaged media, improve filtration, optimize blowdown rates.
Fan motor/drive failure
Symptoms:
Unusual noise, vibration, overheating, motor tripping, reduced airflow
Solution:
Check motor bearings, inspect belt tension and alignment, verify proper lubrication, check electrical connections, replace worn components, balance fan if necessary.
Water distribution system problems
Symptoms:
Dry areas on fill media, uneven water distribution, clogged nozzles, reduced cooling performance
Solution:
Clean spray nozzles, check distribution basin for level and debris, inspect and clean strainers, verify pump flow rate, replace damaged distribution components.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Fill media replacement | $15,000-$80,000 | Tower size, fill type, accessibility, disposal requirements, associated component replacements |
| Annual maintenance contract | $4,000-$12,000 | Tower size, service frequency, chemical treatment inclusion, mechanical component inspection scope |
| Fan assembly rebuild | $5,000-$15,000 | Fan size, drive type, bearing configuration, shaft condition, balancing requirements |
| New cooling tower installation | $100,000-$500,000+ | Capacity, efficiency features, material selection (galvanized/stainless/FRP), site preparation needs |
Frequently Asked Questions
What types of cooling towers does BAC manufacture?
BAC manufactures several types including open-circuit cooling towers (evaporative), closed-circuit cooling towers (fluid coolers), hybrid coolers, and evaporative condensers. These are available in crossflow or counterflow configurations with various fan systems and construction materials.
What water treatment is recommended for BAC cooling towers?
BAC recommends a comprehensive treatment program that includes scale and corrosion inhibitors, biocides for microbiological control, proper bleed/blowdown rates, filtration to remove solids, regular testing, and professional oversight. Specific treatments depend on water quality, tower materials, and operating conditions.
How often should BAC cooling towers be serviced?
BAC recommends monthly inspections during operation plus comprehensive seasonal service. Monthly checks include water quality, spray distribution, mechanical components, and drift eliminators. Seasonal service includes thorough cleaning, mechanical overhaul, fill media inspection, and structural evaluation.
What energy efficiency innovations are available in BAC cooling towers?
BAC offers several efficiency innovations including TrilliumSeries Adiabatic Products, EC motor technology, variable frequency drives, low-sound fan designs, XE enhanced heat transfer surface, and ENDURADRIVE Fan System which can reduce energy consumption by 25-45% compared to conventional designs.
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