The Importance of Maintaining Vacuum Pumps With Oil Changes
Maintaining vacuum pump oil and changing it regularly is very important—especially in HVAC work. Here’s why it matters and what…
Author: Tong Ngo
Technical Service Manager • North Georgia
The Danger of Carbon Monoxide
Carbon Monoxide is a colorless, odorless, tasteless gas that can be extremely dangerous and even deadly. Because you cannot see…
It’s important to keep HVAC Tools Calibrated
…and not just for the “by-the-book reasons Here’s why it matters in the real world: Accurate diagnostics – Gauges, thermometers, manometers,…
The Importance of Reading the Installation Manual Before Installing HVAC Equipment
Installing heating, ventilation, and air conditioning (HVAC) systems require precision, knowledge, and attention to detail. While many technicians rely on…
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…
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…
