Best 150 PSI air compressors

A pressure rating is a storage figure. At 150 PSI a six-gallon tank holds substantially more usable air than the same tank cut off at 100 PSI, which is why the whole category converged on it: it is the cheapest way to make a small tank behave like a bigger one. That is a real benefit. It is not a performance figure.

What you feel at the tool is the regulator setting - usually 90 PSI - and the pump's ability to keep up once the tank starts falling. A framing nailer will fire a dozen nails off stored air whatever the ceiling is. An impact wrench, a die grinder or a sander draws continuously, and then the only spec that matters is CFM at 90 PSI. Our CFM chart puts a half-inch impact wrench well above what any 2.6 CFM machine supplies continuously, regardless of what the gauge tops out at.

That is why four of the five machines below read the same on the headline and differently in use. Porter-Cable, Bostitch and Craftsman all publish 150 PSI and 2.6 CFM at 90 PSI from six gallons. The Metabo HPT EC914S publishes 200 PSI and 4.0 CFM at 90 PSI from the same six gallons. The Smittybilt 2780 publishes 150 PSI with no tank at all - a tire pump that happens to share the rating.

If your shopping question is really about the pressure ceiling rather than the flow, our max-PSI reference page lays out 100, 120 and 175 PSI side by side and is the better page to read next.

Start with what is in the box. The Porter-Cable C2002-WK and the Craftsman CMEC6150K are sold as kits with hose and accessories; the Bostitch BTFP02012 is usually the bare machine. On a first compressor the kit is worth real money, because a hose, a blow gun, a tire chuck and a set of couplers bought separately is not a small add-on. On a second compressor it is clutter you already own.

Then look at the noise figures, because they are published here and they are not close. Craftsman states 82 dBA and Bostitch states 78.5 dBA for machines that are otherwise the same on paper. Three and a half decibels is audible, and in a garage attached to a house it is the difference between a tool you run in the evening and one you do not. If noise is the deciding factor you are in the wrong category entirely - our quiet roundup covers the 58 to 60 dBA machines, and none of them is a 150 PSI pancake.

Then decide whether you need the EC914S. It costs more than the other pancakes and it is heavier at 41 pounds, and in exchange you get 4.0 CFM at 90 PSI instead of 2.6 and a 200 PSI ceiling instead of 150. That is a step up of more than half again on delivered flow, which moves you from nailing-only into intermittent impact-wrench and ratchet work. If your tool list stops at nailers and tires, you are paying for flow you will not use.

Finally, be honest about whether a 150 PSI tankless pump is what you came for. The Smittybilt 2780 shares the rating and nothing else: no tank, no stored air, and a job description that begins and ends with tires. It is on this page because it carries the rating and buyers searching the number land on both kinds of machine. It is ranked last because it cannot run a tool.

A 150 PSI six-gallon machine at 2.6 CFM at 90 PSI runs every nailer we cover, comfortably. Brad nailers and finish nailers draw per shot rather than continuously, framing nailers at a DIY pace are the same story, and six gallons at 150 PSI is a deep enough buffer that the pump runs between bursts rather than during them.

It will also inflate anything, blow out a sprinkler zone with patience, and run an air ratchet in short bursts. Our ratchet sizing page puts the Ingersoll Rand 105-D3 at 3 CFM average, which a 2.6 CFM machine supports in a stop-start rhythm. You will wait on the pump, but the work gets done.

It will not run a half-inch impact wrench continuously, a die grinder, a cut-off tool, a DA sander or an HVLP gun. Those are 4 CFM-and-up tools in continuous use, and the honest answer is a bigger pump, not a higher pressure rating. The EC914S at 4.0 CFM is the first machine on this page that changes that answer, and even it is an intermittent-use proposition for grinders.

If you are not sure which side of that line your tool list sits on, run it through our sizing pillar before you buy anything. It takes five minutes and it is the single thing that stops people buying twice.