Can You Check the Refrigerant Charge of an AC Unit by only Measuring Pressures? Explained!

My Paperback & Ebook: In This HVACR Training Video, I show what needs to be Measured to Check the Refrigerant Charge. I discuss the dangers of only Reading the Low Side Gauge Saturated Temperature or only Reading the High Side Pressure. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.Make sure that you are EPA 608 certified before handling refrigerants!

My Paperback & Ebook:
Tool List-
Support the Channel-

Should you use Superheat or Subcooling video:
Connect, Check the Subcooling, Disconnect procedure:
Finding the Target Subcooling:
Finding Target Superheat video:
Checking the Charge with Total Superheat:

Checking the Charge Subcooling with a SMAN460:
Checking the Charge Total Superheat with a SMAN460:
Checking the Subcooling of a Blend Refrigerant:

Here are some of the Tools I use:
Yellow Jacket Refrigerant Gauge Set
Refrigerant hoses with valves
Yellow Jacket Gauge set & hoses
Yellow Jacket 4 Port Manifold w Hoses
FieldpieceSMAN360 Digital Manifold Set
FieldpieceSMAN460 Digital Manifold Set
Compact Ball Valve for Refrigerant Hose
QuickDisconnect 90 for refrigerant hose
UEI DL479 Multimeter with temp sensor
JB 6 CFM Vacuum Pump
Appion Blue 3/8" to 1/4" Vacuum Hose
Appion Red 3/8" to 1/4" Vacuum Hose
Appion Valve Core Removal Tool
Yellow Jacket 1/4" by 1/4" hose
CPS Vacuum Micron Gauge
Supco Vacuum Micron Gauge
RectorSeal Bubble Gas Leak Detector
UEI DL389 Multimeter
Fieldpiece ST4 Dual Temp Meter
Air Acetylene Torch setup
15% Silver Brazing Rods
Nitrogen Regulator
Nitrogen Flow Meter
Digital Refrigerant Scale
Accutrak VPE Ultrasonic Leak Detector
Imperial Kwik Charge 535-C
FieldpieceSDMN6 Dual Manometer Pump
Supco Magnet Jumpers
2 pairs of alligator clips-
JB Vacuum Pump Oil
General Tools digital Psychrometer
Fieldpiece SDP2 Digital Psychrometer
Ratcheting Service Wrench
Appion G5 Twin Recovery Pump
Irwin Wire Stripper/Cutter/Crimper

Shop through Amazon! Your Purchases through Amazon provide a means for channels such as mine to earn advertising fees from any purchases after clicking through. Prices are the same as normal-

acservicetech,repair,maintenance,how to,fix,hvac,hvacr,how do you,test,ac,service,tech,check,measure,read,superheat,subcooling,pressure,saturated,temperature,temp,meter,troubleshoot,diagnose,st4,gauges,maifold,set,hose,port,connect,charge,unit,system,sat,refrigerant,freon,r-22,r22,r410a,r-410a,puron,suva,level,add,technician,school,course,class,training,a/c,air,conditioner,cold,hot,cooling,thermostat,