The case

Controlling odors in the onion storage room at a food distribution center for a national grocery store chain.

The Problem

To prevent onion odors from contaminating fruits and vegetables stored in adjoining rooms, the onion storage room is kept at a negative pressure using a 3,000 cfm exhaust fans. The customer had two main objectives: 

1.To control the onion odors 

2.To reduce the amount of exhaust air to lower the associated cost of conditioning makeup air

Sanuvox Customized Solution

Sanuvox provided two IL30-X units that were installed upstream of the cooling coil in a 27,000 cfm air handler to photo-oxidize the onion odors.

Conclusion

Onion odors were dramatically reduced, and exhaust air lowered by 40% to 1,800 cfm. Energy savings from the reduction in exhaust air is equivalent to 3 tons of cooling.

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