Uploaded February 2026 | Updated September 2026, 3 weeks ago
Learn the essential skills for capillary tube repair and brazing in this comprehensive HVAC training class with Roman. This hands-on capillary tube brazing class covers everything technicians need to know about working with these critical metering devices.
What You'll Learn:
How capillary tubes meter refrigerant through friction and pressure differential
Understanding inner diameter (ID) vs outer diameter (OD) and why it matters
Proper sizing charts and BTU capacity calculations
Step-by-step capillary tube brazing techniques
Common mistakes and how to avoid them
When to repair vs replace capillary tubes
Working with different wall thicknesses and refrigerant types
Insertion depth best practices (1/4" to 1/2")
Heat application and avoiding kinks or breaks
Key Topics Covered:
Capillary tube fundamentals and metering principles
Friction-based pressure drop mechanics
Proper brazing techniques for delicate copper tubing
Caliper measurements and sizing tools
Oil return applications in VRF systems
Schrader core connections
Field repair scenarios and troubleshooting
Whether you're a new HVAC technician or experienced professional, this capillary tube repair and brazing class provides practical knowledge you can apply immediately in the field.
Read all the tech tips, take the quizzes, and find our handy calculators at hvacrschool.com or the HVAC School Mobile App on the Google Play Store (hvacrschool.com/play-store) or App Store (hvacrschool.com/app-store).
Learn the essential skills for capillary tube repair and brazing in this comprehensive HVAC training class with Roman. This hands-on capillary tube brazing class covers everything technicians need to know about working with these critical metering devices.
What You'll Learn:
How capillary tubes meter refrigerant through friction and pressure differential
Understanding inner diameter (ID) vs outer diameter (OD) and why it matters
Proper sizing charts and BTU capacity calculations
Step-by-step capillary tube brazing techniques
Common mistakes and how to avoid them
When to repair vs replace capillary tubes
Working with different wall thicknesses and refrigerant types
Insertion depth best practices (1/4" to 1/2")
Heat application and avoiding kinks or breaks
Key Topics Covered:
Capillary tube fundamentals and metering principles
Friction-based pressure drop mechanics
Proper brazing techniques for delicate copper tubing
Caliper measurements and sizing tools
Oil return applications in VRF systems
Schrader core connections
Field repair scenarios and troubleshooting
Whether you're a new HVAC technician or experienced professional, this capillary tube repair and brazing class provides practical knowledge you can apply immediately in the field.
Read all the tech tips, take the quizzes, and find our handy calculators at hvacrschool.com or the HVAC School Mobile App on the Google Play Store (hvacrschool.com/play-store) or App Store (hvacrschool.com/app-store).
