In order to buy freon you need a license, therefore you shouldn't attempt to add freon. Call a contractor to service your unit.
you have to have an ozone depletion license to buy it now.
You don't need a license to buy a car, but you need a license to drive a car on a public highway.
Obtain ASE certification in heating and AC systems.
The freon should be R12, Which requires a license to buy these days and is very expensive. You can buy a kit to convert it to R134 freon, You should check with your local auto parts store for prices
On all years, makes and models you will need to go to any automotive a/c repair shop and have them reclaim this for you.... (Do not just let it out in the atmosphere this is illegal)....... Depending of if your have R-12 freon or R134A freon you can buy the R134a freon at any auto parts store but you need to be licensed to buy R-12 freon.........
The previous answer is wrong you do not need a license to buy a car
AnswerTo buy freon, you must obtain an ODP card. This can be done buy taking a course at your local college, provided you are an apprentice of some sort that requires the use of this product. If you get this card, remember that you are responsibe to keep a record of every ounce of freon used, if you recovered any, and what you put it in.
No. You do not need a license to buy gold. Do a search for Gold on-line and see how many sites there are!
If you'd be required to have a license to buy these items from a retailer, you'd still need the appropriate license to buy them online.
you do not need a license to purches a ham radio. you also can listen to chatter without a license. but if you want to talk you need a license.
R-422a and R-422b are both R-134 based chemicals and do not contain HCFC's or CFC's which means you do not have to have a license to buy it.