Minnesota's market runs on food manufacturing — meat, dairy, and packaged goods — so a large share of openings are industrial ammonia roles at processing plants around Austin, Mankato, and the Twin Cities rather than storefront grocery service. EPA 608 is federal and required for any refrigerant work, and for ammonia plants employers frequently want RETA CARO or CIRO on top of it. Pay tracks shift, credential level, and plant complexity, and the ammonia/RETA-credentialed side generally sits above entry commercial service — see the 2026 pay guide.
Who's Hiring
Employers in the State
Hormel FoodsMeat Processing
Austin-based meat processor running ammonia refrigeration across its plants.
CargillFood & Ag
Minnetonka-headquartered protein and food operations with plant ammonia systems.
General MillsFood Mfg
Golden Valley packaged-foods maker with refrigerated production and cold storage.
Land O'LakesDairy
Arden Hills dairy cooperative whose processing plants run industrial refrigeration.
Breaking In Here
Most techs start as helpers or apprentices and add EPA 608, or cross over from HVAC. For the plants, the RETA operator track (CARO, then CIRO) is what moves you up on ammonia. New to the trade? Start with how to become a commercial refrigeration technician.
Common Questions
Minnesota Refrigeration FAQ
How much do refrigeration techs make in Minnesota?
There's no single number — pay in Minnesota moves with shift, credential, and facility. The industrial ammonia work at meat and dairy plants, especially with RETA CARO or CIRO and night or on-call shifts, pays above entry commercial rack service.
Do I need a license to work in Minnesota?
You need EPA 608 to handle refrigerant everywhere, and ammonia plants commonly expect RETA CARO/CIRO. State versus local contractor licensing varies, so confirm with the state license requirements guide before applying.
What systems will I work on in Minnesota?
Expect industrial ammonia at food, meat, and dairy processing plants far more than in many states, given operators like Hormel, Cargill, and Land O'Lakes, alongside commercial rack service in the Twin Cities.
