Maybe look for a welding supply place or AirGas. I use AirGas and it's like $23 for an exchange of a 20lb tank.
Distance: 7 miles
Name: Airgas North Central
Phone: (630) 231-7760
Fax: (630) 231-7768
Address: 1250 W. Washington Street,
West Chicago, IL 60185
Facility Type(s): Regional Headquarters
Branch
Fill Plant
Medical Branch
Retail Store
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Distance: 11 miles
Name: Airgas North Central
Phone: (847) 434-5300
Fax: (847) 434-5961
Address: 1601 Nicholas Blvd.,
Elk Grove Village, IL 60007
Facility Type(s): Branch
Retail Store
Fill Plant
Specialty Gas Lab - Regional
ISO 9000
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Distance: 11 miles
Name: Airgas North Central
Phone: (708) 485-3112
Fax: (708) 485-3116
Address: 9100 West 47th Street,
Brookfield, IL 60513
Facility Type(s): Branch
Retail Store
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Distance: 16 miles
Name: Airgas North Central
Phone: (847) 741-3269
Fax: (847) 741-3952
Address: 923 Villa Street,
Elgin, IL 60120
Facility Type(s): Retail Store
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Distance: 17 miles
Name: Airgas North Central
Phone: (630) 896-8598
Fax: (630) 896-8560
Address: 1100 Jericho Road,
Aurora, IL 60506
Facility Type(s): Branch
Specialty Gas Lab - Regional
Retail Store
Fill Plant
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