Efficiency or capacity? That's the core decision when you're comparing these two rotary screw air compressors. The price range runs from USD 2,900 to USD 6,599, so the upfront gap is substantial.
Quick verdict
If your priority is modern efficiency and verified safety components, and your budget can stretch, the LRSD is the pick. If your priority is a lower upfront cost, the Atlas Copco Z1-22 makes sense.
Price and spec comparison
The table below lays out the price and headline specs side by side.
| Product | Price | Price Bar | Condition | Key Spec |
|---|---|---|---|---|
| LRSD 15HP | USD 6,599.00 | New | VSD, 125 PSI, 3 Phase | |
| Atlas Copco Z1-22 | USD 2,900.00 | Used | 30 hp, dryers, stationary |
Where each product wins
The LRSD is the better fit when you value efficiency technology and a modern control package. It's the stronger choice if your air demand varies during the day and you want responsive operation. The Atlas Copco takes the edge when you want a complete package and a much lower purchase price. It's also the more practical route if your priority is keeping the entry cost down.
Product notes
Rotary Screw Air Compressor 15HP 30CFM @ 125PSI 3 Phase Industrial VSD 208-240V

This LRSD compressor is a new 15 hp / 11 kW unit designed for 3-phase 208-240V industrial supply. The strongest reason to choose it is the VSD drive: the motor automatically adjusts its speed to match air demand, which helps reduce power consumption and extend equipment life. It also comes with a UL-certified control panel and an ASME-certified oil and gas tank, so the safety-critical parts carry recognized certifications. The listed applications include pneumatic tools, woodworking and furniture, and auto repair shops. The main limitation is the higher price relative to the used Atlas Copco, so if your shop's demand is modest and budget is the leading concern, you'll want to weigh the efficiency advantages against the larger cash outlay.
30 hp Atlas Copco rotary air compressors w/ dryers Z1-22

The Atlas Copco Z1-22 is a used, stationary, horizontally oriented rotary screw compressor sold with dryers. The main reason to consider it is the combination of 30 hp and the included dryers at a price well below the LRSD's. That makes it an attractive option for a shop that needs a good amount of capacity without spending new-machine money. It comes from the United States and is designed for electric operation, so it can fit into an existing industrial setup with the proper electrical supply. The limitation is the used condition: a pre-owned unit carries the usual uncertainties you don't get with a brand-new compressor, and you'll want to factor that into your decision.
What to weigh before you decide
Think about how many hours each day the compressor will run and how much your air demand varies. Continuous operation tends to favor efficiency-focused machines. Occasional use shifts the value proposition toward the lower purchase price. The right choice here depends on which of those patterns matches your shop.
Final choice by use case
For a shop that runs continuous shifts and values efficiency above all, the LRSD 15HP VSD is the right call.
For a budget-conscious operation that wants strong capacity without spending more, the Atlas Copco Z1-22 is the practical pick.