Ingersoll Rand P1IU-A9 Hand Carry Twinstack 2-HP Compressor Review

If you, like myself, prefer owning a durable compressor with enough power to run two power tools simultaneously the Ingersoll Rand P1IU-A9 will most certainly satisfy you. Not all the compressors on the market have a powerful motor, but this one does. Not only is it a great 2hp motor, it also maintains a low vibration ratio due to its balanced crankshaft.

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Tired of compressors that stop working in a few months after a purchase? I know, me too. That’s why this product caught my immediately. The Ingersoll Rand P1IU-A9 has a reputation of being one of the most durable, sturdy air compressors available. It’s designed for the most challenging applications and will surely meet your standards when it comes to professionalism and long lasting products.

P1IU-A9 – Built to Last

It is really a common thing to see people complaining how their air compressors broke within a small period of time since they bought it. However, this is not the deal when it comes to Ingersoll Rand P1IU-A9. On the other hand, it is as sturdy as a tank. Seriously, you will come across a sturdier and tougher model easily. That does come with a little downside though, as its overall weight is 77lbs, which makes it a quite considerable machine to carry around. The whole unit is incorporated in a heavy-duty cage so firm that it seems as if the air compressor would survive a hand grenade without a scratch. It employs a lubricated pump as well, and as you know, it is the best option to keep your air compressor working. After all, it is created for a heavy-duty design, and this pump is of great significance for this compressor being robust and long-lasting. It also requires low to no maintenance at all.

A Very Quiet Compressor

Regardless of the weight and power, you would be surprised to find out that Ingersoll Rand P1IU-A9 is actually produces not as much noise as you would expect. However, these sorts of compressors aren’t made to be quiet, but to provide professional performance in tough environments. Still, the noise the Ingersoll Rand P1IU-A9 creates is pretty decent and will not damage your hearing like some of the air compressors out there.

Features and Specifications

  • Two quick connect couplers for running two tools at the same time.
  • ¼ – inch couplers, a mounted regulator and a pressure gauge.
  • Oil lubricated pump designed so that the compressor would last longer.
  • 135 psi maximum discharge pressure
  • A powerful 2 horsepower motor situated in a portable and sturdy, heavy-duty frame.
  • 20 Volts, 15 Amps.
  • Cast Iron cylinder, four gallon twin tanks.

Customer reviews and scores

As I am writing this, there are 51 customer reviews posted about this product and the customers have awarded the Ingersoll Rand P1IU-A9 with 4.4 out of 5 stars.

All in all, these customer reviews are positive and are praising this air compressor just as it deserves. Still, you are able to stumble upon a few dissatisfied customers with complaints such as , As far as the unit goes, it is a bit larger than I had expected and every bit as heavy as I had been led to believe. If you need a compressor like this then you, no doubt, can carry it, but I wouldn’t want to hump this beast up a ladder very frequently”. Well, as I said, if carrying a bit of weight around is a price you cannot pay for the professionalism given in exchange, fine.

But most of the customers are pleased with the product and are happily stating their excitement in the feedback section. For example, one of the pleased costumers says: ,,Received the compressor, put oil in, fired it up, works great! At this point I have not used any air tools except nail guns, but with the fast recycle time and the specs, it should work great.” Further, another customer states: ,,I’ve just had this product for about a month, but I like it. Does everything I need it to do, including using a impact wrench to change out tires.”

You can now understand why I do recommend this air compressor.


To conclude, it is not only me who thinks this air compressor is a top-quality unit that is most likely to serve you for a long time. DIY’ers and professionals all around the world are excited to use it and don’t mind to carry a bit of extra weight around when they see how the Ingersoll Rand P1IU-A9 performs. If you are looking for an air compressor that will last long and do the job perfectly every time you use it, consider buying this model, you won’t be sorry. It is available on the