caseybird:
OK, I've heard this one on SB before: "if the shop closes, I'll set up my own compressor". Is this really economically rational?
How much does an oxygen clean fill station with an oiless compressor cost to buy? How much does it cost to replace filters? What is the cost of yearly inspections and maintainence (dollars and your time)? What about enriched air fills? Leaving out an O2 boost pump, what does it cost to purchase, transport and transfer gas to your cylinders? If you let your buddies fill their tanks, do you buy liability insurance? What about floor space? Will it affect your homeowner's insurance? How much time do you want to spend filling tanks, and how much time do you want to be diving?
All in all, the "I'll just get my own compressor" theory seems more like a debating point than a real option for most recreational divers.
Of course, If the dive shop stays open, you wouldn't have these problems.
If there is a fill station close to where you dive it's probably more economical to pay for the fill...if it's air or nitrox.
if there's not a fill station that's convenient, it makes sense to have your own for air/nitrox and it almost always makes sense to have your own for trimix if you can fill before you leave home.
I've owned sevseal compressors though I am wihout one at the moment and the convenience and logistics alone more than make the expence worthwhile...in my situation anyway.
You can buy a nice compressor for a garage for around 3K. A hyper filter $1500 (at most) and some fill whips to transfill O2 and helium...never mind the cost of those isn't worth mentioning.
Considering how far and how much time I would have in getting a trimix fill, the lost from work involved in getting just a couple of trimix fills would buy me another compressor.
I know...the shop tells you that comprtessors cost a quarter mil, LOL but they don't.
for 100$ you get a class that gives you a card and everything for tank inspection. Another $100 and you have a card for mixing gas. What do you want? A presidential pardon or something? LOL Do you even need a card or can you read the instructions?
Insurance? I'm not a lawyer but I have had a fill station in my garage and I have let other people use it and I have talked to both my lawyer and insurance guy about it. As a side note, my insurance agent didn't have a problem with the compressor but he advised against letting a neighbor put some steers on the property. LOL
As far as I can tell, as long as I'm not running a buisiness, my home owner policy covers the equipment. As far as liability, who knows? I suppose that any one can sue anyone for anything in this country and you might win and you might lose. I always let my buddies fill their own tanks and figured that if they blew my house up that I would sue them...that should even things out should they sue me. LOL.
Really, it doesn't cost that much or take very much effort to pump some air into your own tank...this is just another lie of the industry.