Articles by Jim Wheeler

The best tool to represent our industry is the refrigerant manifold and its gauges.

I have come across many technicians and even company owners who believed they could improve a system’s performance by giving it a shot of another refrigerant.

I do have some choices of components and designs I’ll recommend.

A drop-in replacement? Is anyone really saying this?

It’s always interesting to see what international companies are able to achieve for air-conditioning units at 14-SEER.

Every year at the AHR Expo, I’m always interested in the many new tools, meters and gauges I see.

This year’s AHR Expo in Las Vegas was billed as being the largest ever and it may have been.

I don’t know if your company carries and promotes the use of dry nitrogen, but it is a must whenever a service tech is brazing refrigerant lines.

What “environmental impact” is our industry creating?

The 2017 AHR Expo returns to the Las Vegas Convention Center Jan. 30-Feb. 1 and once again I’ll be front and center.