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Old 04-18-2017, 12:03 AM   #1
kuksul08
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"Let's Talk" Vol. 197: Air Compressors

Sup.

I'm looking for a new air compressor for the garage. I have a little tiny one from Home Depot which is okay for quick jobs, but is constantly running and is super super loud. It's 2.75hp 4.5cfm 4 gallon. I've been adding tools here and there that need air, and it's very obnoxious when the compressor is constantly turning on and off. It also struggles to keep up when blowing a lot of air (air tool, blow dry, sand blaster) and gets pretty warm. The plus side is that it's 110V and can be picked up by 1 person.

My friend is selling his air compressor and asking $2,000. It's a Powerex 5hp scroll compressor. They are basically silent, 15cfm at 100psi, 13 gallon tank, oil free, maintenance free. However I've heard that these aren't really worth the money unless you need it for a specific use.


What have you got in your garage/shop? Any recommendations?
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Old 04-18-2017, 12:22 AM   #2
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The real question is how often are you going to be using the air compressor to be even considering purchasing a $2K used compressor?

I bought an air compressor about 10 months ago then went crazy buying LOTS of air tools and accessories to go with it. I've only used it about 5-6 times so far...

Got a 33gal oilless Husky from Home Depot that was on sale at the time for $200. Good thing I didn't purchased an expensive one because at the time I "thought" I was going to be using it a lot.
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Old 04-18-2017, 01:17 AM   #3
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The real question is how often are you going to be using the air compressor to be even considering purchasing a $2K used compressor?

I bought an air compressor about 10 months ago then went crazy buying LOTS of air tools and accessories to go with it. I've only used it about 5-6 times so far...

Got a 33gal oilless Husky from Home Depot that was on sale at the time for $200. Good thing I didn't purchased an expensive one because at the time I "thought" I was going to be using it a lot.
I use it pretty often, a few times a week. Always working on a project painting, cleaning off parts, or just filling up tires.

It is a lot of money for a compressor. I guess it's determining how much the quiet is worth.
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Old 04-18-2017, 01:37 AM   #4
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"Let's Talk" Vol. 197: Air Compressors

^ take into consideration that the typical home garage is not that big. So I doubt even a very quiet compressor will truly be quiet in such small space. With that said I would just buy a decent compressor for decent price with a larger capacity so that it doesn't have to refill often.

Edit: and then build a sound proof box around it. I figure it won't cost that much. There's a few youtube videos on it I believe
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Old 04-18-2017, 07:19 AM   #5
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Sup.

. It also struggles to keep up when blowing a lot of air (air tool, blow dry, sand blaster) and gets pretty warm. The plus side is that it's 110V and can be picked up by 1 person.

What have you got in your garage/shop? Any recommendations?
You need a bigger tank. 13 gallon is also too small if you are using it "a lot", like you say.

For years, I liked the portability of a smaller compressor, so I had a 13 gallon craftsman and I bought a 40 GAL pressure vessel and hooked them up together with quick disconnects. If I needed the volume, I pressurized them both. If not, I disconnected the 40 GAL. I liked the setup. It was still loud when on.

Later, I got a 60 GAL Ingersoll Rand, Great compressor. It was $699.
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Old 04-18-2017, 07:49 AM   #6
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50 gallon or go home at that price...seriously why the fvck are we even debating this?

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Old 04-18-2017, 07:49 AM   #7
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These days, you're most likely way better off if you invest in a quality set of electric lithium powered tools. There are no cords, and with the power these things put out, they do just about every job as good as an air compressor tool or better. Not to mention you have the freedom of no hose.

I use my Milwaukee lithium hand ratcheting screw driver for many things, and have bought a socket adapter so I can put sockets on it. It don't break lugs, but once I have them cracked, it pulls them off with ease. There are other lithium powered ratchets that will easily break the lug torque though. Also bought a ratchet that makes most car work 10 times easier since you can just push the button instead of swinging the ratchet back and forth (amazing for jobs like a valve cover gasket (don't torque it down though) and oil pan gasket) - or other hard to reach areas where you have minimal room to swing a ratchet arm.

Other than that, I bought this one from HF awhile back, must have had this thing for at least 8 years now, still works good, mostly just use it for filling tires, and blowing dust off with the air pressure here and there.

http://www.harborfreight.com/8-gal-2...sor-69667.html
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Old 04-18-2017, 09:10 AM   #8
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$2k for an air compressor? Hard pass. As was said, get the electric version of what you need and use that. The only air tools I have are nail guns and impacts. Other than that I just use the compressor to fill tires.

Your small compressor can do nail guns and impacts just fine. For the high volume tools, get electric and specifically the cordless ones.
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Old 04-18-2017, 09:17 AM   #9
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$2k for an air compressor? Hard pass. As was said, get the electric version of what you need and use that. The only air tools I have are nail guns and impacts. Other than that I just use the compressor to fill tires.

Your small compressor can do nail guns and impacts just fine. For the high volume tools, get electric and specifically the cordless ones.

I see what you did.
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Old 04-18-2017, 09:34 AM   #10
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I see what you did.
You picked up what I threw down. $2k has electric power steering. None of that hydraulic nonsense.
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Old 04-18-2017, 10:24 AM   #11
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I have the Makita MAC700, I used it for everything, fill up the tires, bikes, power tools, working on the car, blowing out the sprinklers, etc. It small and powerful, it's nearly silent compared to my craftsman which I never use anymore.

https://www.amazon.com/dp/B0001Q2VK0?psc=1
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Old 04-18-2017, 11:14 AM   #12
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Yea, 2k for a 110v compressor is roflwaffles. Buddy of mine just picked up a new Ingersoll 55ish (don't remember exactly) 240v monster on craigslist for like $1100. No compressors are quiet, which is why in shops they are usually housed outside the shop. Im with sam, battery tech has come a long way, electric tools are generally much more convenient for the home mechanic. For that 2K, keep your pancake compressor for the nailers and buy into the 20V dewalt (my personal preference) system and you'll be golden. For my home use, I bought this kit a while back, works like a charm for all small stuff and tires. I do have some leftover airtools from back in the day when I had my 55 gallon craftsman, so I CAN run a cutoff wheel or a sander off of this this IF I really must, and it's annoying because it never shuts off, but it will get the job done.

http://www.homedepot.com/p/Porter-Ca...2234/203471431
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Old 04-18-2017, 11:18 AM   #13
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I have this air compressor. It has a fairly small tank but a high flow rate. In the event I need to run a high consumption tool, it'll be able to keep up just fine. Won't stop running but at least I can keep working in the very rare occasion I need to do something like that.

https://www.amazon.com/DEWALT-D55146...+aircompressor
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Old 04-18-2017, 11:33 AM   #14
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I see what you did.


Quote:
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Yea, 2k for a 110v compressor is roflwaffles. Buddy of mine just picked up a new Ingersoll 55ish (don't remember exactly) 240v monster on craigslist for like $1100. No compressors are quiet, which is why in shops they are usually housed outside the shop. Im with sam, battery tech has come a long way, electric tools are generally much more convenient for the home mechanic. For that 2K, keep your pancake compressor for the nailers and buy into the 20V dewalt (my personal preference) system and you'll be golden. For my home use, I bought this kit a while back, works like a charm for all small stuff and tires. I do have some leftover airtools from back in the day when I had my 55 gallon craftsman, so I CAN run a cutoff wheel or a sander off of this this IF I really must, and it's annoying because it never shuts off, but it will get the job done.

http://www.homedepot.com/p/Porter-Ca...2234/203471431
That's really the main benefit of this one, and why it's so expensive. It also doesn't have oil, so the only thing you need is a dryer and you can do painting. You make a good point. 2k is better spent on lithium tools.



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I have this air compressor. It has a fairly small tank but a high flow rate. In the event I need to run a high consumption tool, it'll be able to keep up just fine. Won't stop running but at least I can keep working in the very rare occasion I need to do something like that.

https://www.amazon.com/DEWALT-D55146...+aircompressor
I actually have this same one, an older version. The D55155. I wish it had wheels like that one! I was surprised to learn that it's rated for 100% duty cycle; it sure gets hot when running continuously though. My biggest complaint is how often it runs, and how loud it is. Maybe I can get a muffler for it? I would build a sound insulating box around it but it will need cooling to prevent overheating.



Guess my biggest problem is the noise. Here I am peacefully working in the garage on some project, and every few minutes the compressor kicks on startling me.
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Old 04-18-2017, 12:05 PM   #15
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I actually have this same one, an older version. The D55155. I wish it had wheels like that one! I was surprised to learn that it's rated for 100% duty cycle; it sure gets hot when running continuously though. My biggest complaint is how often it runs, and how loud it is. Maybe I can get a muffler for it? I would build a sound insulating box around it but it will need cooling to prevent overheating.



Guess my biggest problem is the noise. Here I am peacefully working in the garage on some project, and every few minutes the compressor kicks on startling me.
Muffler won't help quiet electric motor noise...

Can you just run it outside or something? Just build a small hut to keep the water out but vented enough for cooling.

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Old 04-18-2017, 01:03 PM   #16
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That's really the main benefit of this one, and why it's so expensive. It also doesn't have oil, so the only thing you need is a dryer and you can do painting. You make a good point. 2k is better spent on lithium tools.





I actually have this same one, an older version. The D55155. I wish it had wheels like that one! I was surprised to learn that it's rated for 100% duty cycle; it sure gets hot when running continuously though. My biggest complaint is how often it runs, and how loud it is. Maybe I can get a muffler for it? I would build a sound insulating box around it but it will need cooling to prevent overheating.



Guess my biggest problem is the noise. Here I am peacefully working in the garage on some project, and every few minutes the compressor kicks on startling me.
It's like a silencer on a firearm...they are not silent, just quieter. Same with the compressors. It's not quiet, just quieter. Any compressor thats inside a garage with you will drown out a radio for instance. Yours sounds like an air condenser....I admit, it's much quieter than mine, but again, still loud enough to annoy, and for the casual home mechanic, not worth the premium (just my .02 of course.)
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Old 04-19-2017, 06:44 PM   #17
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Electric has no compressor noise bitch


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Old 04-19-2017, 07:52 PM   #18
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Electric has no compressor noise bitch


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But an electric compressor does...
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Old 04-21-2017, 12:44 PM   #19
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Do you guys empty the tank after each use?
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Old 04-21-2017, 01:14 PM   #20
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Do you guys empty the tank after each use?
For my garage one no, for the house one yes.
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