Ice rinks sweating over Freon deadline

  • Article by: ALLISON SHERRY , Star Tribune
  • Updated: April 6, 2014 - 11:15 AM

Freon is being phased out by the EPA, forcing expensive retrofits.


The Depot ice rink was packed with skaters including Alice Reed 5, who was skating with her father Dana Reed Sunday January 05, 2014 in Minneapolis ,MN.

Photo: JERRY HOLT •,

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– Minnesota’s indoor skating rinks have a big problem looming under their ice.

Roughly 120 arenas that dot the state and are as cherished as parks in the cities and towns that own them still rely on the chemical Freon to chill their frozen floors.

Once a ubiquitous, inexpensive refrigerant, Freon has for years been known to pose a danger to the Earth’s ozone layer. The Environmental Protection Agency has said that by 2020, the chemical, also known as refrigerant R-22, can no longer be produced or imported.

That’s keeping local rink operators like Zac Dockter in Cottage Grove up at night with two worries: What if my old rinks start seeping Freon? And how is my city going to front $2 million to retrofit the rink from Freon to something more environmentally sound, like ammonia?

U.S. Sen. Amy Klobuchar, D-Minn., has urged EPA officials to be more transparent over how they will shrink the Freon supply — and when exactly it will be taken off the market — so rink owners can ­prepare.

“Not every EPA employee may be thinking about ice rinks,” Klobuchar said. “I think they have to treat it with a sense of urgency. They may not realize how much it would mean for an ice rink in a local community to have to sink a million dollars in without much notice.”

Already the cost of Freon is spiking. Once a buck or two a pound, Freon now runs between $11 and $16 a pound. Beneath Dockter’s two 1970s-era rinks run more than 6,500 pounds of the stuff.

“You’re sweating every day,” said Dockter, director of the Cottage Grove’s Parks and Recreation department. “You think, ‘Oh my gosh, if I get a leak on a Friday night, I could lose hundreds of thousands of dollars. It’s a scary thought. … You’re in fear of keeping your liquid gold.”

If a catastrophic leak occurred and Docktor’s 6,500 pounds of Freon seeped out into the atmosphere, it could punch a hole in the ozone for more than a decade and prove a budget-buster for the city. The chlorofluorocarbon mix is colorless, odorless, nonflammable and noncorrosive, but still has been found to eat away at the protective ozone.

450,000 pounds of Freon

All of the 120 rinks in Minnesota that still use Freon — about 450,000 pounds total — will need to convert in the next five or six years. About a third will require a wholesale upgrade that could cost up to $2 million each.

Nearly all ice rinks in Minnesota are owned and operated by local governments, potentially burdening them with costly improvements.

“We want to keep arenas accessible to people all over the state,” said John Evans of Golden Valley, a hockey advocate and member of the Minnesota Amateur Sports Commission. “Because of the economics and because the towns are subsidizing access, there isn’t money for capital improvements. Then a federal mandate comes and they have to change the refrigerant. … We just want to make sure there is local access for Minnesotans.”

Politicians are trying to help.

Minnesota lawmakers are probing ways to give small communities matching funds using state bond money to upgrade ice arenas. Gov. Mark Dayton’s office said the governor — a former college hockey player — has not yet taken a position on using state money for that purpose.

“The communities can’t just cut this on their own, you know,” said Sen. Jim Metzen, DFL-South St. Paul, who is leading the effort this year. “It’s the right thing to do. They have to jackhammer the floors up and redo them. I think it’s a good use of money.”

The EPA says it supports “smooth transitions” and has a long-standing policy in ozone protection regulations that allows rinks to use old equipment until reaching the end of “usual” life.

“Servicing and repair with R-22 can continue, and the rules allow recovered, recycled or reclaimed R-22 to be used in existing equipment for as long as it is available,” a spokeswoman said.

  • Chilling effect

    • Freon is used to chill 120 indoor ice rinks in Minnesota

    • Use must be phased out by 2020 for ozone protection

    • Each rink conversion could cost as much as $2 million

    • Cities concerned about costs are looking for state funding help

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