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Chiller Apprentice Jobs in Wisconsin (NOW HIRING)

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Chiller Apprentice information

What is the difference between Chiller Apprentice vs HVAC Technician?

AspectChiller ApprenticeHVAC Technician
CertificationsBasic HVAC or chiller-specific training, apprenticeshipsEPA Certification, HVAC licenses
Work EnvironmentCooling systems, industrial or commercial settingsResidential, commercial, industrial systems
Job FocusLearning chiller operation and maintenanceInstalling, repairing, maintaining HVAC systems

The Chiller Apprentice primarily focuses on learning to operate and maintain chillers in industrial or commercial environments, often as part of an apprenticeship program. An HVAC Technician has a broader scope, working on various heating, ventilation, and air conditioning systems, including chillers. Both roles require foundational HVAC knowledge and certifications, but the Chiller Apprentice is more specialized in chillers during training stages.

What are popular job titles related to Chiller Apprentice jobs in Wisconsin? For Chiller Apprentice jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Chiller Apprentice jobs in Wisconsin look for? The top searched job categories for Chiller Apprentice jobs in Wisconsin are:
What cities in Wisconsin are hiring for Chiller Apprentice jobs? Cities in Wisconsin with the most Chiller Apprentice job openings:
Infographic showing various Chiller Apprentice job openings in Wisconsin as of July 2026, with employment types broken down into 89% Full Time, 10% Part Time, and 1% Contract. Highlights an 99% Physical, and 1% Remote job distribution.

Senior Commercial Refrigeration Service Technician

CoolSys

Colby, WI • On-site

$35 - $60/hr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago


CoolSys rating

8.2

Company rating: 8.2 out of 10

Based on 40 frontline employees who took The Breakroom Quiz

61st of 278 rated repair and maintenance companies


Job description

Overview:

WHY COOLSYS?

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

  • Competitive Compensation: $35.00-$60.00 hr
  • Sign on Bonus: Up to $5,000.00 DOE
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!

Responsibilities:

This position is responsible for assisting in the repair and overhaul of equipment, refrigeration, heating, and ventilation equipment to ensure customer needs are met efficiently, accurately, and on time.  

  • Provides service to the customer base by repairing and overhauling equipment, such as compressors, water pumps, air handlers, and electrical and mechanical control devices in a safe, efficient, and timely manner that exceeds customers’ expectations
  • Provides general repair work on refrigeration, heating, and ventilation equipment, such as air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors, and electric motors in a safe and timely manner.
  • Provides preventative maintenance activities for customers by diagnosing equipment malfunction and any operating deficiency of the mechanical equipment to ensure quality work performance for the customer base.
  • Test malfunctioning systems and components using electrical and/or mechanical skills.
  • Maintain legible corporate and personal records of work history.
  • Provides department support by processing job tickets, and work orders to the necessary department promptly.
  • Provide support by picking up, delivering, and installing cases.
  • Perform work on minor construction and remodeling projects including startups of new installations.
  • Drives company vehicle in a safe manner.
  • Performs other related duties and projects as assigned by management.
Qualifications:
  • High school diploma/GED.
  • EPA certification.
  • Certification from an accredited vocational-technical or trade school is a plus!
  • Minimum 3+ years of commercial refrigeration experience required.
  • Experience working on refrigeration equipment in convenience stores or supermarkets is a strong plus.
  • Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful.
  • Must have a good driving record and be able to work independently.
  • Emergency on-call availability is a basic requirement.
  • Must be able to lift to 60 lbs. with no assistance and also be able to sit and/or stand for several hours at a time.
Join Us:

Today, there are 27 different companies that make up the CoolSys family of brandsOur valued employees are at the heart of our continued growth and success. We invite you to be part of that growth! 

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CoolSys is an EEO/AA Employer.  All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply.  

Pre-employment background screening (criminal and MVR for driving positions) and drug testing are required for all positions. CoolSys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance. 

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