"When I first met Mr. Hazel I was at work. The more he came into my store I listened to him and the invention to replace Freon (I work at an auto parts store) and how it could save me money. I got a power bill for one month for $320.00. I was fussing about it at work, Mr. Hazel overheard, so I asked him if he could save me money. I never dreamed that it would save me as much money as it did. I really thought it would be at the most $50 or $60. When I received my next bill it was $75.80. This is a wonderful product. It really does all that Mr. Hazel says.

"I've had it in my home system for almost four years. I have been very satisfied with it. I have told everyone about it. My daughter has it in her home and also some of my friends. Their power bills have went down too. Thanks James." - Claudia Keeler

Note: Ms. Keeler decided to go all the way to make her home as energy-effecient as possible. Although much was not needed, each home has its variables.

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Comments: This home is 2100 sq. ft. and was changed over in the spring of 1995. We have just finished the summer of 2005 with another record breaking season of excellent cooling, low energy bills, and zero maintenance thusfar.

This unit is in excellent condition, but is being replaced due to the rising cost of gas. Gas expenses last winter were $1508.00 and with the prediction of a 70% increase this year, that would rise by another $1055.00. Experience proves that we will replace this unit with a heat pump. The change over will pay for itself and add money to our wallet by using HC22 and avoiding costly repairs in the future.

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Comments: This 1500 sq. ft. well insulated home was tested during the summer when the outside temperature was 86°. The thermostat was set on 70°. The unit averaged 32 minutes run time to satisfy the thermostat. This unit is only 5 years old and is scheduled to be replaced with a Hydro Cooled heat pump due to the rising cost of gas and the cost of part maintenance.

"In 1993 I decided to restore a 1977 Dodge Diplomat which I had purchased new, rather than buying a new car. In 1994 I was ready to put it back on the road. Now it was time to charge up the air condition system, and to my surprise I could not buy R12a refrigerant because I was not "certified". Qualified yes, but not certified. I found myself just like the car manufacturers. I had no choice but to go to R134a. I decided this was not the long term answer. I quickly got certified and all that gave me was a small card that was worthless. Why should I buy a product which was soon to become extinct? I started my search for the top refrigerant with a lasting future. After much study I found HC12a/134+ and everything I read about this product was positive. I ordered a case and started my project. While cleaning this system up, I developed a leak at the compressor oil sump gasket. I had to replace this gasket three times. Each time I added oil. Then I may have had too much oil in the system. After I charged the system up the last time my high and low pressures were good and my cooling was excellent. I drive this car almost daily even after 11 years. I have topped it off a few times, but I have not had to buy a single part for the air conditioner.

I did all of this with a "flammable" refrigerant with an ignition point of 1,627 degrees. All of you that have spent thousands should get the MSDS sheet on 134a and see what your ignition point is.

In 1997 I purchased a 1984 Dodge B250 van. It was in fine condition, but the previous owner was discouraged in the air conditioning because he couldn't get it working since being retrofitted to R134a. It cooled for a few days after adding refrigerant, but soon leaked down and quit cooling, and I could see plenty of leaks. I bought the van for a good price because it had no air. I brought it home and went to work. I was lucky that he had used ester lubricant. I flushed the system the best I could, went back with mineral oil, and replaced the drier and all of the gaskets. I then vacuumed the system and charged it with HC12a/134+. Like my car, I have not bought any air condition parts for it since that time. These two vehicles, after the change over have a combined mileage of about 250,000 miles. HC12a/134+ is sure working for me, but if R134a is working for you, you must have a horseshoe in your left rear pocket. If it is not working, I sure would be looking for a better refrigerant." - James Hazel, owner, Hydro Cool, Inc.

In the year 2000, Donald James, shop manager at Fountain Inn Warehouse and Storage, asked Auto Air to help control repair and maintenance costs of the air condition systems in their fleet of trucks. All repairs (replacing compressors, hoses, and any other necessary parts) were done by their shop. Auto Air supplied the oil, vacuumed the systems down, and charged them with HC12a/134+. Below is a five-year summary of the maintenance costs documented after working with this fleet.

This truck had already used two compressors before we got started on it. We installed gauges on this truck and began testing. The operation was consistent. Head pressure at 1500 RPM would rise to 350psi, fan clutch would apply and pressure would drop to 300psi, fan clutch would disengage and the pressure would go right back up to 350psi again. We recovered the refrigerant, removed the compressor, accumulator, and orifice tube. We flushed the rest of the system with shop air, drained the oil out of the compressor, installed an adjustable cycling switch on the new accumulator, replaced the orifice, put in 16 oz. ESTER oil, installed lower head pressure, and fan switch. We also installed a thermal switch in the evaporator to cut out the compressor at about 35 degrees.

On the open road we have no need for the fan, and the compressor only runs part time. This is probably the most efficient air conditioning in any truck we have done so far.

This Tractor belongs to W. C. Steen at Steen Enterprises, Highway 17, Adams Run, SC. It is his personal tractor, stationed at Walnut Hill Plantation just outside of Ruffin, SC. When Billy leaves his office and wants to get away from it all, he certainly doesn't want to go out and start the big tractor and the air condition doesn't work. He wants to plow in comfort, plantation style, planting crops for deer, turkey, and doves. Four years ago, he decided to put a permanent fix on the air condition system. We changed it over from 134a to HC12a/134+ and have not had to even top it off in four years. (A REAL COOL RIDE)

It used to be hot in August and September riding in this cornpicker, but not anymore. Cecil Parks of Simpsonville, SC decided it was time to change. We stopped the leaks and changed from 134a to HC12a/134+. Now he's doing some cool picking. This changeover has lasted for three years now.

Tim Ayers in Piedmont, SC was having pressure problems with his air condition system on this tractor. He had already taken the compressor off and was ready to replace it. We checked the compressor by turning it with our hands and found pressure on the high side and suction on the low side. We decided to stay with this compressor and blow out the system. It paid off, the system is clean and open, we added oil, vacuumed, and charged with HC12a/134+. Now we have cool rides while gathering hay. All of this was not for Tim, he only drives the tractor. The real boss of this outfit is his dog, Taylor, a small Pomeranian who sits in the window and watches every move. He refuses to ride in a hot tractor and if any work is to be done, it's going to be in a cool cab.

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In 2002, Ken Heggenstaller, service manager for Bearden Trucking Co. of Greenville, SC, decided something had to be done. Keeping up refrigeration in reefer units was eating up profits. After attending Hydro Cool, Inc. seminars and studying HC12a/134+ and HC22a/502a literature, he decided to change to Hydro Carbon refrigerants. When a unit came in with trouble, he made repairs and went back with HCs. Now he is back in charge of the fleet and is having trouble keeping his technicians busy in the summer time.

A study by Bearden Trucking of their costs to maintain reefer units revealed some surprising figures. Below is a summary of their expenses for repairing and maintaining their reefer units.