HVAC Refrigeration/Piping

Job DetailsLevel: ExperiencedJob Location: Maple Grove, MN 55369Education Level: High School/GEDSalary Range: $25.00 - $30.00 HourlyJob Shift: FirstMAS creates custom-engineered thermal management solutions for markets that thrive on flexibility, creativity, and bold ideas. From humble beginnings to becoming an emergent multi‑brand manufacturing leader, we’ve grown by bringing in great people and empowering them to do great work. At MAS, we believe innovation happens when everyone contributes, diversity of thought is celebrated, and people feel supported in their growth. We take pride in working hard together—tackling challenges, solving problems, and having fun along the way. As we expand into both emerging and mission-critical industries, we stay committed to delivering efficient, competitive, and sustainable heating and cooling technologies. And throughout your career here, you’ll have the chance to directly shape the foundation for what's next in our industry. Position Summary: The Refrigeration Piper is responsible for installing, assembling, and maintaining refrigeration piping systems for commercial and industrial HVAC/R applications. This includes layout, fabrication, brazing, pressure testing, and ensuring all piping meets code, safety standards, and system specifications. The ideal candidate is skilled in pipefitting for refrigeration systems and can work independently or as part of an installation team. 1st shift: 5:30 am - 3:00 pm, M - Th; 6:00 am - 12:00 pm, F Currently located in Maple Grove, but this role will be moving to Dayton in June 2026. Key Responsibilities: Piping Installation & Fabrication Install and assemble refrigeration piping systems using copper, steel, and other materials. Braze, solder, swage, flare, and thread piping to meet system design requirements. Prepare pipe layouts based on blueprints, schematics, and instructions. Install components such as valves, strainers, receivers, oil separators, coils, and line sets. Support installation of refrigeration equipment (compressors, condensers, evaporators). System Testing & Quality Perform pressure testing and leak detection on newly installed piping. Evacuate and prepare systems for charging by refrigeration technicians. Ensure all piping is installed to industry codes, safety standards, and manufacturer specifications. Inspect joints, fittings, and supports to verify quality workmanship. Tools & Equipment Safely operate cutting tools, threading machines, torches, and brazing equipment. Use measuring tools (tape, levels, gauges) to ensure accurate and clean installations. Maintain tools and equipment in safe working condition. Documentation & Compliance Follow drawings, plans, and job specifications accurately. Document work completed and any issues encountered. Adhere to OSHA guidelines, company safety policies, and refrigerant handling regulations. Maintain clean and organized work areas. Qualifications & Requirements: Required: High school diploma or equivalent. 5+ years of experience in pipefitting, refrigeration piping, or HVAC/R installation. Proficiency in brazing and refrigeration piping techniques. Ability to read mechanical drawings, schematics, and piping diagrams. Ability to lift up to 50 lbs, climb ladders, and work in various environments. Preferred: Trade school or apprenticeship in HVAC/R or pipefitting. Familiarity with commercial and industrial refrigeration systems. OSHA certification or safety training. EPA 608 Certification (helpful but not required for piper role) Key Competencies:   Strong mechanical aptitude Skilled brazing and pipefitting technique Precision and attention to detail Safety-oriented work habits Problem-solving and adaptability Effective communication and teamwork Physical & Work Environment: Ability to stand, walk, bend, and lift up to 50 lbs Work performed in a warehouse/manufacturing setting with exposure to machinery, noise, and temperature variations May require overtime, weekends, or shift coverage based on production needs Benefits: Medical, vision, and dental plans Short-term and long-term disability insurance Group term life insurance coverage HSA, FSA, and Dependent Care plans available 8 paid holidays, 4 floating holidays, and generous PTO policy 401k matching Company paid events Annual safety shoe allowance Education assistance program EEO Statement: MAS HVAC is committed to creating a diverse and inclusive workplace where all individuals are treated with respect and dignity. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, marital status, veteran status, political affiliation, or any other legally protected status. Employment decisions at MAS HVAC are based on merit, qualifications, and business needs. We prohibit discrimination and harassment of any kind and actively promote a culture of fairness, equity, and opportunity. We also provide reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs, practices, or observances, in accordance with applicable laws. Qualifications