100+ Free MA HVAC Practice Questions
Pass your Massachusetts HVAC Contractor License (Refrigeration) exam on the first try — instant access, no signup required.
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Key Facts: MA HVAC Exam
70%
Passing Score
528 CMR
>10 Tons
License Threshold
MA OPSI
3 Tiers
Apprentice, Journeyman, Master
528 CMR 11.03
100 Q
Practice Questions Available
OpenExamPrep
EPA 608
Universal Certification Required
MA OPSI
About the MA HVAC Exam
The Massachusetts Refrigeration Technician/Contractor licensing exam tests knowledge of 528 CMR regulations, refrigeration systems over 10 tons, EPA Section 608 compliance, mechanical codes, and safe refrigerant handling practices. Three license tiers exist: Apprentice, Journeyman, and Master/Contractor.
Questions
100 scored questions
Time Limit
2 hours
Passing Score
70%
Exam Fee
Varies by license type (Massachusetts Division of Professional Licensure, OPSI)
MA HVAC Exam Content Outline
State Laws & Licensing
528 CMR regulations, license tiers (Apprentice, Journeyman, Master), OPSI requirements, and permit procedures
Refrigeration & Trade Knowledge
Refrigeration cycle, compressors, metering devices, piping, charging, evacuation, and system diagnostics
Safety & EPA Regulations
EPA Section 608, refrigerant recovery, OSHA requirements, and workplace safety
Mechanical Codes
IMC compliance, duct construction, ventilation rates, fire dampers, and energy codes
Business Management
Insurance, contracts, estimating, lien law, consumer protection, and change orders
How to Pass the MA HVAC Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 2 hours
- Exam fee: Varies by license type
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
MA HVAC Study Tips from Top Performers
Frequently Asked Questions
What types of refrigeration licenses does Massachusetts issue?
Massachusetts issues three refrigeration license levels: Apprentice (entry-level, requires DAS registration), Journeyman Technician (requires 2,000 hours experience and EPA 608 Universal), and Master Technician/Contractor (requires 2,000 hours as Journeyman plus 100 hours education).
What systems require a Massachusetts Refrigeration license?
A state Refrigeration license is required for work on refrigeration systems with capacity of more than 10 tons. Systems of 10 tons or less do not require this specific state license.
What changes are coming to Massachusetts refrigeration licensing in November 2026?
Effective November 9, 2026, Journeyman applicants will need 6,000 clock hours (up from 2,000) as a licensed Apprentice and must complete a 450-hour Bureau-approved education course, significantly increasing entry requirements.
What is the passing score for the Massachusetts refrigeration exam?
A score of 70% or higher is required to pass the written examination. Candidates are notified by mail 4-8 weeks after application, and exams are scheduled first-come, first-served.