The CALIFORNIA AIR TOOLS 4610S Ultra Quiet & Oil-Free Air Compressor is designed to be one of the quietest air compressors in the industry having only 60 decibels of sound. The powerful 1.0 HP (SP-9413) motor operates at only 1680 RPM creating less noise and less wear. The "New" SP Series of Ultra Quiet Air Compressor Motors have been designed to increase duty cycle and allow for longer continuous run times. The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The CAT-4610S Air Compressor has a Oil-Free Dual Piston pump designed to have a life cycle before wear of 00 Plus hours compared to other comparable air compressors with life cycles of 500 hours or less. The Oil-Free pump allows for use in a variety of temperatures and uneven terrains. The 4.6 Gallon Steel Air Tank is Lightweight (62 lbs), durable and very easy to transport. This air compressor is ideal for anyone working inside where noise is a major issue.
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To start with, the noise from every other small compressor I've had is simply rude compared to this little gem. Not only does it run quietly, it performs well. The old PC was starting to draw more amps as it aged. This runs off a nice 5500 watt inverter, but when the 8.5 AMP cold start draw eventually turns into 12 and change, it is time to take the stress off. This one currently pulls 7.4 amps all day long. I opted for the aluminum tank as I am one of THOSE who doesn't drain his tanks as often as I should. I don't spray with it , so I'll be doing well to drain this once a week. You know what the other steel tanks looked like when they were drained. Rust. This is actually close in size to the PC as well. It nestles in the same frame as that one. Bonus.
I have to tap the switch every time to make the compressor turn on still to this day.
No warranty and bad customer service. Sincerely, Jason
It is, as advertised, ultra-quiet, even quieter than the little Senco hot dog compressors. It also draws less current when running compared to other compressors of a similar size and is quite a bit lighter than other two tank compressors. We will see how long it holds up but it seems very well built.
I do finish work and we are currently finishing the first of three large houses. This compressor is usually driving two or three brad and/or finish guns all day long and seems to easily keep up with the demand, recharging quickly enough to prevent the pressure drop that happens with other compressors when firing a lot of nails rapidly. You don't have to wait for this compressor, which is good since you often can't even hear it.
If you are a professional and looking for a new compressor for your finish crew, one that can keep up and that you don't need to hide in a closet because of the noise this is the one you should get.
Finally I don't get interrupted by the compressor, and the baby can still sleep when I work inside. For reference, I replaced a bostich pancake with this unit. I swear the bostich was louder than my 5hp shop compressor. This compressor is being used for nail guns only. You could fill tires and do the occasional blast of air, but capacity is lacking for any flowing air application.