California Air Tools 4620AC
#2 in PortableFull review
For contractors and serious DIYers who want twin stack airflow for framing without the noise of a conventional jobsite compressor.
Amazon $405$405
The California Air Tools 4620AC and the Senco PC1131 are evenly matched, rated 3.7 and 3.7. The Senco PC1131 costs $97.01 less ($307.99 vs $405).
Senco PC1131
#3 in PortableFull review
A durable oil lubed twin stack for framing and roofing at a fair price per CFM.
Amazon $307.99$307.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable air compressor; a clear win is highlighted. How we rank explains each one.
| Factor weight | California Air Tools 4620AC | Senco PC1131 |
|---|---|---|
| Overall rating | 3.7/5 | 3.7/5 |
| Value 30% | 73 $76.42 per CFM at 90 PSI ($405, 5.3 CFM) | 79 $70 per CFM at 90 PSI ($307.99, 4.4 CFM) |
| Airflow 25% | 100 5.3 CFM at 90 PSI | 100 4.4 CFM at 90 PSI |
| Tank 10% | 72 4.6 gal tank | 66 4.3 gal tank |
| Noise 15% | 60 70 dB(A) | 50 noise level not published (neutral score used) |
| Warranty 20% | 0 1-year warranty | 0 1-year warranty |
Specifications
| California Air Tools 4620AC | Senco PC1131 | |
|---|---|---|
| Air | ||
| Airflow at 90 PSI | 5.3 CFM | 4.4 CFM |
| Airflow at 40 PSI | 6.4 CFM | - |
| Max pressure | 125 PSI | 125 PSI |
| Tank | 4.6 gal | 4.3 gal |
| Duty cycle | 70 % | - |
| Pump and motor | ||
| Power | Corded electric | Corded electric |
| Motor | 2 hp, 120 V | 2 hp |
| Running amps | 14 A | 14 A |
| Oil-free pump | Yes | No |
| Build | ||
| Style | Twin-stack | Twin-stack |
| Noise | 70 dB(A) | - |
| Weight | 64 lb | 60 lb |
| Warranty | 1 year | 1 year |