Bob Forty’s venerable HVACR experience (detailed in The NEWS, “Aluminum vs. Copper: The Great Condensing Coil Debate,” Feb. 18, 2002) and comparisons with our industry’s all-copper, all-aluminum, and ...

In the September and October 2010 issues, POWER Contributing Editor David Daniels explored the causes and damage mechanisms of condenser tube leaks (“Taming Condenser Tube Leaks,” Part I and Part II).

The 2026 AHR Expo had plenty of parts and accessories to check out, including safety switches and valves that prevent ...

For the past 40 years, titanium has been the material of choice for condenser tubes exposed to sea and brackish water applications. That said, rising raw material costs make it important to reconcile ...

Fig. 1: Diagrams from Wente’s 1916 patent application show the condenser microphone in cutaway view. Diaphragm (#6), which is grounded, is stretched only 5/10000th of an inch from the backplate (#7), ...