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What else can I help you with?
Is hot shot freon just another name for R 414?
There is Hot Shot... not "Hot Shot Freon" - "Freon" is a trademark of DuPont for a line of CFC and HFC refrigerants, whereas "Hot Shot" is a trademark of ICOR International for their R414b refrigerant. But yes, "Hot Shot" refrigerant is R414b.
How do you switch from r134a freon to r414b freon?
The manufacturers claim that R414B refrigerant (Freon is a registered trademark of Dupont, and it's only actually Freon is manufactured by Dupont) can be used as a replacement without modification and with the same PAG compressor oil. While, personally, I remain a bit skeptical of this claim, a look at the operating pressures of 414b vs. 134a gives no indication that a 134a system wouldn't be able to handle 414b. However, you cannot blend the two - you would have to have the R134a evacuated and recovered out of your system, then put in the R414b.
How much does it cost to change over from R12 to R134A freon?
Depends on how extensive a conversion you want to do. If you want to a complete conversion and replace just about everything, the cost will be in the thousands. For considerably less, you can replace the refrigerant oil, replace the hose fittings, and replace the metering device. Another alternative is to switch to R414b, which is claimed to be able to replace (read: replace, not be blended with) R12 without a need for changing oil or components.
How do you recharge air conditioner on a 1991 RV Leprechaun?
You get a certified shop to do it. For one, to use R/R/R (recovery, recycling, recharging) equipment, you need to be either Section 609 or Section 608 certified, depending on what type of refrigerant it uses. Being a 1991 MY vehicle, it was originally an R12 system - which you can't buy without Section 608 certification. To further complicate the issue, since R12 was outlawed a couple years after that vehicle was manufactured, many R12 systems were converted to an alternative refrigerant, which may have been the industry standard of R134a, or R414b, or R22, etc. If you're not the original owner and you're not the one who had that system retrofitted, then you need to have a refrigerant purity test done to determine exactly what's in that system, because you can't blend refrigerants. There's also the possibility that your problem isn't refrigerant, or that, if it is, then it's on account of a larger problem. People just assume that if an AC system blows warm, it must need refrigerant... in fact, there are many possibilities why it could do that, including blockage in the system, contaminated refrigerant, too much refrigerant and/or compressor oil, poor airflow through the condenser (typically due to damaged fins), etc. Not to mention you shouldn't be running out of refrigerant in the first place - if you are, then there's a leak in the system which you'll need to get repaired if you don't want it to be a recurring problem. AC work isn't a DIY thing, and I just highlighted some of the reasons why. Leave this one to a professional.
What type of freon should be used in older model ac units?
Define "older model". Up to the early 90s, they used R-12/CFC-12. Good luck trying to get that anymore. R414B is the recommended replacement for R12 systems.
Where can i buy a can of R12 freon for my 1991 Buick Park Avenue?
You can't. You have to be Section 608 certified and licensed to buy CFC12 (R12) in any quantity. Your best bet is to either convert it to R134a or R414b.
Find R12 in Fayetteville NC?
R12 is a bit difficult to find anywhere at anything less than a premium, and Fayettenam isn't exactly the bustling metropolis which has everything you want whenever you need it. Even if you went to Raleigh-Durham, your best hope is that you MIGHT find some at the cost of an arm, a leg, your first born, and your eternal soul.A simple R134a conversion isn't so bad... replace a couple fittings, your accumulator, and your orifice tube, and you won't have to go through the full retrofit (although you need to make sure any shop servicing your system knows it's 134a in the system, since those quick conversions typically retain the R12 schrader valves. R414b is another possible alternative to consider.
