> Today I noticed that the air conditioner is not blowing as
> cold as it
> normally does. It is the R134
> refrigerant type. How do I know if it has a proper "charge"?
> older systems had a sight glass that was handy.
> How do I add more if needed? Same as the older Freon types?
> Thanks !
You need a set of gauges for starters to determine the hi and low
pressures relative to ambient air temp and humidity.
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