Vacuum pumps are a necessary part of HVAC to get a system into a vacuum and even test for leaks. The most common use is to pump down a line-set and then let it sit to see if there are any leaks. A/C systems require a vacuum to work correctly, which a suitable vacuum pump… Read More »
With so many HVAC Vacuum Pumps to choose from, how can you make sure you’re purchasing the right one for your job? Main Things to Look for When Buying an HVAC Vacuum Pump CFM (Cubic Feet a Minute) Stage (1-Stage or 2-Stage) CFM The CFM (Cubic Feet per Minute) on HVAC vacuum pumps is how… Read More »
The Harbor Freight Pittsburgh is a 3 CFM Two Stage HVAC Vacuum Pump. It is rated to pull a vacuum to 22.5 microns. It will work with most any refrigerant, R134A and R12/R22. Vacuum pumps are often are high priced units and can cost upwards of $500-$1000 dollars. At less than $200 dollars this unit… Read More »