Changing Celsius to Fahrenheit on Mini-Split
Have you ever installed a mini-split and after commissioning, the wall control is showing the temperature in Celsius instead of…
Author: Tong Ngo
Technical Service Manager • North Georgia
Updating Your SMAN/Testo Gauges
Some of you might have an older SMAN/Testo digital gauge. With the new refrigerants coming, you might need to update…
Ductless Commission/Testing In Heat Mode
Have you ever installed a mini split in the summertime? During the commission the AC would work well, but in…
Aluminum Fin Surface Oxidation On Air-Cooling Coils
Have you ever received a call from a customer about “white flakes,” dust, or particles blowing out of ductwork in…
Introduction to Duct Design & Static Tips
What all goes into “duct design”? Most important is having a balanced system, meaning what comes in (return) must go…