A Comparison of Oxygen- vs. Air-Acetylene Torches

When it comes to brazing, there are two main equipment options to consider: oxygen/acetylene or air/acetylene torches — Figs. 1, 2.

Traditionally, oxygen/acetylene setups have been dominant in many air-conditioning brazing applications across the United States. However, air/acetylene torches present a viable alternative. Contractors who have experimented with air/acetylene torches often appreciate their portability and lower operating costs, which can outweigh the slight trade-o..