Every CO2 supplier we could find in the Omaha area (Nebraska) was checked one by one, and 9 of them made the list. 2 will refill the cylinder you walk in with. 4 only swap it for a different tank, which matters if yours is new or an odd size. 3 would not confirm either way, so those are marked call to confirm rather than guessed at. 2 confirm food grade CO2 for anything you actually drink; the common sizes here are 5lb, 10lb; most cover soda, homebrew, welding.
9places listed
2confirmed refill
2confirmed food grade
Last checked September 2026
Sorted for you: places that refill your own tank come first, then the most complete, confirmed listings. Exchange-only and unconfirmed spots follow.
KeyRefillBothExchangeConfirm
Summit Fire Protection Omaha / General Fire & Safety
Refill
13002 I St · Omaha, NE 68137
ServiceRefill
Food gradeCall to confirm
Tank sizes5lb
Your cylinderYes, refills yours
fire protectionhomebrewsoda
Hours Mon-Fri 07:45-17:00; Sat-Sun Closed
Current official Summit Fire page verifies the Omaha branch after its March 2025 acquisition of General Fire & Safety. Recent Omaha community evidence from January 2026 reports 5 lb CO2 tank refills at this location for about $10. No reliable public branch email or food-grade designation was verified.
Hours Mon-Thu 11:00-22:00; Fri-Sat 10:30-23:00; Sun 12:00-20:00
Official current site explicitly states that the store can refill a customer's CO2 tank on site for keg and kegerator use. Current official contact page verifies address, hours, phone, and email. Exact supported cylinder sizes and food-grade designation were not published.
Official current CO2 exchange page explicitly states that Cornhusker exchanges 5 lb CO2 tanks, does not fill tanks on premises, and does not exchange other tank sizes. Current official pages verify address, hours, phone, and public email.
Hours Tue-Thu 11:00-18:30; Fri 11:00-20:00; Sat 10:00-16:00; Sun 10:00-13:00; Mon Closed
Official current contact page verifies the active Elkhorn homebrew store, address, hours, phone, and public email. Omaha community evidence identifies Patriot as a CO2 tank swap source and specifically discusses 5 lb tanks. No explicit current food-grade designation was found.
Official current branch page explicitly lists carbon dioxide and verifies the location, phone, hours, and company support email. Recent 2026 Nebraska community evidence states that Airgas handles CO2 through exchanges rather than same-cylinder refills. Branch-specific food-grade availability and cylinder sizes were not established.
Hours Tue-Fri 08:00-17:00; Sat-Sun Closed; Mon listed closed by current local source
Current local business evidence verifies the active Omaha MATHESON branch. January 2026 Omaha community evidence specifically describes MATHESON as a tank-swap source for kegerator CO2 and explains that the customer receives a full tank of the same capacity. Corporate general email is used because no branch-specific public email was found.
Current reputable business sources verify this active Omaha beverage dealer and state that its D&J Carbonics operation sells CO2. Beverage service supports food-grade use under the directory rules. Current sources verify the public service email, address, phone, and hours. Portable refill versus exchange behavior and sizes were not established.
Official current Helget site identifies Omaha as its corporate base and explicitly supplies beverage-grade CO2. Current location evidence verifies the Omaha corporate facility. A recent reputable business directory supplies the public general email. Portable customer-cylinder refill versus exchange behavior and sizes were not established.
Linde Welding Gas & Equipment Center - Carter Lake
Call to confirm
1100 Ave H · Carter Lake, IA 51510
ServiceCall to confirm
Food gradeCall to confirm
Tank sizesAsk when you call
Your cylinderAsk
welding
Hours Mon-Fri 08:00-16:30; Sat-Sun Closed
Official current branch page verifies the active Carter Lake retail gas location and official Linde contact email. Current branch-specific industrial directory evidence lists carbon dioxide at this exact location. Refill versus exchange behavior, food-grade status, and portable cylinder sizes were not established.