The trailer has a first aid station and NFL-quality misting fans that can reduce surrounding temperatures by 25 degrees.
Garth Patterson says he came up with the idea after watching grape harvesters toil in the vineyards on a summer day without shade.
“They get heat illness and if there’s no way to get their body corps temperatures down they can either die or be seriously injured. And they’re out in the middle of nowhere with little chance of surviving those kinds of things. So I created the cooling station."
The station seats a dozen people, holds up to 300 gallons of water and has an emergency shower. It costs just under $20,000.
Patterson is marketing his creation as California officials debate rules for protecting laborers from the heat.
Calls for reform came after a pregnant teenager died from heat stroke in May of 2008. She had been pruning grapevines for more than nine-hours in nearly triple-digit temperatures.