 
The Price of Freon has gone up 500% or more in the last few years.
Freon leak detection is not normally a big deal. It is a big deal if you keep adding Freon to your air conditioner every year. Freon is the lifeblood of your home air conditioner. It provides the cooling for the compressor in the outdoor air conditioning unit and it provides the heat transfer in the evaporator coil in your home (the indoor cooling coil). Freon also carries the oil through the system lubricating the internal components of your air conditioning system.
No Freon – Means No Cooling in Your Home
No Freon – Means No Lubricating Oil in the Compressor
No Freon – Means the Compressor Will Over heat
Those are just some of the reasons to find any Freon leaks and fix those Freon leaks. The price of Freon keeps going up and it is expected to continue to rise. Since R22 Freon in no longer manufactured in the United States and it is not allowed to be imported there is a shortage every year. All Freon R22 is recycled. The EPA is predicting a 25,000,000 pound shortage of the Freon R22.
That Means Demand Goes Up and So Do the Prices!
There are Several Methods of Freon Leak Detection
 Electronic Freon Leak Detection
Visual Freon Leak Detection
Pressurization Freon Leak Detection
Fluorescent Dye Freon Leak Detection
Electronic Leak Detection
This usually just involves usually a high tech digital sniffer that hunts for the chlorine that is released when the Freon leaks out. Going over every part of the system, every joint and every weld can find many leaks, but this method leaves a lot to be desired. It is labor intensive and you can receive false positives for Freon leaking.
Visual Freon Leak Detection
This is merely using your eyes and looking for the tell tale signs of Freon leakage. Freon contains oil and when that oil leaks out it makes a mess. Once an oil leak is witnessed we used a soap bubble solution to visually identify the presence of Freon gas escaping. This does work and it is the simplest low tech way of finding large Freon leaks. It will not find the small Freon leaks. Most Freon leaks are small.
Pressurization Freon Leak Detection
This is an old fashion component replacement method of finding a leak. I think it really is just designed to replace system components rather than identify and repair a Freon leak. This involves cutting the system apart and pressurizing each component, the line set, the evaporator coil and the conditioning unit to the same pressures and then waiting a couple of weeks. Upon return that portion of the system that is lower pressure is the component that is leaking and it can be replaced. This type of Freon Leak Detection is very time consuming. You can except to pay upwards of $500 just for Freon leak detection and then the component replacement and reassembly of the system. The minimum this repair is going to cost you is at least $1,500, hardly a bargain.
Freon Leak Detection Using the Dye Method
Simple and straight forward. Your air conditioner isn’t cooling because it is low on Freon. We inject a dye into the system with the Freon while charging your system and testing it. The dye is inexpensive and when we are done with our service call you have a working system. Once the system goes low again, probably next year, we come back out and go over the system with a very high intensity ultra violet light using a very specific frequency of ultra violet. Caution….those little handheld ultra violet lights will not work as they are the wrong frequency. Minutes into the service call we can usually pinpoint the Freon leak point and visually confirm this with you.
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