All productsPosts by doctorpaintz
Safe Refrigerant Cylinder Storage for the Shop
A practical checklist for organizing cylinders, protecting valves, and reducing avoidable shop hazards.
Published by doctorpaintz ·...
R-32 and the Growing Mini-Split Service Market
What technicians should check as R-32 appears more often in ductless and inverter equipment.
Published by doctorpaintz · Educationa...
R-410A and R-22: A Practical Field Comparison
A technician-focused overview of equipment compatibility, service planning, and inventory decisions for two familiar refrigerants.
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Where R-134a Still Fits in HVAC and Automotive Work
A field-oriented guide to legacy vehicle systems, medium-temperature equipment, cylinder formats, and responsible servicing.
Publis...
R-1234yf Service Guide for Modern Vehicle AC
Key handling, recovery, charging, and purchasing considerations for shops servicing newer automotive air-conditioning systems.
Publ...