Diamondbacks spend $6,000 per game to keep fans cool

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by Marie Saavedra

azfamily.com

Posted on August 31, 2011 at 9:40 PM

Updated Wednesday, Aug 31 at 10:00 PM

PHOENIX, Ariz. -- After your hot walk from the car to Chase Field, the first tastes of cooler temperatures come from a traditional fan and mister.

But once you walk through those glass doors you're in the belly of a cooling monster.

We asked engineer Jim White for a behind the scenes look. He says it all starts with the roof hours before the doors open to fans.

"We started the air conditioning around 2:30 p.m. with the roof opened slightly. We start closing the roof at 2:45 p.m. and it's closed by 3 p.m.," he said. "The idea there is to push out as much of the heat that we can."

For the next several hours the air is on full blast several hundred feet below your seats. A room full of pumps moves enough water to cool Chase Field, the equivalent to 2,500 Arizona homes. The air blows over the water, up and out. To see it, fans just need to look up.

"The air handler is on the mezzanine, just above us, and it's feeding the big white trunks of duct work, they basically spread out throughout the ballpark," White said.

The temperature is set for 75 degrees, but the temperatures can range between 75 and 90 degrees between the field and upper deck.

Canadian Cory Barclay and her family were sitting off the field, and she says she can feel it was the right choice.

"I'm glad we got tickets in this section because I can really tell the air conditioning is working well!" she said. 

And if you think your utility bill is bad, get this. On game day, the cost to cool it for one day is $6,000.

 

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