Shipping
- Complimentary ground shipping within 1 to 7 business days
- In-store collection available within 1 to 7 business days
- Next-day and Express delivery options also available
- Purchases are delivered in an orange box tied with a Bolduc ribbon, with the exception of certain items
- See the delivery FAQs for details on shipping methods, costs and delivery times
Returns and Exchanges
- Easy and complimentary, within 14 days
- See conditions and procedure in our return FAQs
Questions?
Call 1-877-388-4111 or email [email protected].
Availability/Lead Time
If an item is out of stock, we provide an estimated arrival time at Penry Air. This estimate is based on information from the manufacturer and our experience with ordering the item. Please note that the actual lead time may vary. The estimate does not include shipping time to your location.
If you have any questions about availability, please call 1-877-388-4111 or email [email protected].
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"Over 50 Years of Experience"

HBD Series Belt Driven Fixed Speed Rotary Screw Air Compressor
The Hertz HBD Series features belt-driven, oil-injected rotary screw air compressors engineered for reliable, energy-efficient compressed air production in industrial environments. Designed with premium components and a compact footprint, HBD compressors deliver consistent airflow while reducing operating and maintenance costs. The series is available in multiple power ratings to meet the demands of workshops, manufacturing facilities, automotive service centers, and general industrial applications.
Advantages
- Economic, service-friendly design minimizes downtime and reduces maintenance costs.
- Models with tanks and integrated dryers are compact and take up little space, leaving room for other machinery.
General Features
- High quality screw block and motor.
- Electronic control.
- Optional high-pressure air tank made from high-pressure vessel steel.
- Easy installation and quick implementation thanks to its compact design.
- All air and oil tanks comply with ASME standards.
Main Motor and Drive System
- IE3 efficiency-class electric motor.
- Star/delta motor starter.
- Soft start option.
- Belt-pulley drive system.
- Easy-to-use belt tensioner and pulley bushing for simplified servicing.
Screw Block
- Durable screw block provides high air delivery and is specifically selected for each model capacity.
- New rotor profiles reduce air losses and lower torque requirements.
- Next-generation bearing design improves load-bearing capability.
Air and Oil Separator
- Spin-on separator.
- Easy to replace, assemble and disassemble.
Cooling System
- Quiet and efficient axial fan directly coupled to the main motor (HBD 4–15).
- Temperature-controlled auxiliary cooling fan (HBD 15 L–37).
Controller
- Master/Slave synchronization for up to two compressors without an external controller.
- Internal ModBus communication.
- User-friendly display interface.
- Stores the last 20 alarm records.
- Weekly programmable scheduler with three operating periods per day.
- Maintenance reminders and service history.
Technical Specifications
| Model | Pressure | Capacity* | Motor HP/kW |
Connection | Dimensions (in.) | Weight (lbs) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSI | Bar | CFM | m³/min | Length | Width | Height | ||||
| HBD 4 | 100 | 6.9 | 21 | 0.6 | 5.5 / 4 | 1/2" NPT | 34 | 22 | 34 | 397 |
| 125 | 8.6 | 19 | 0.5 | |||||||
| 150 | 10.3 | 17 | 0.5 | |||||||
| 175 | 12.1 | 15 | 0.4 | |||||||
| HBD 5 | 100 | 6.9 | 29 | 0.8 | 7.5 / 5.5 | 1/2" NPT | 34 | 22 | 34 | 441 |
| 125 | 8.6 | 28 | 0.8 | |||||||
| 150 | 10.3 | 25 | 0.7 | |||||||
| 175 | 12.1 | 23 | 0.7 | |||||||
| HBD 7 | 100 | 6.9 | 44 | 1.2 | 10 / 7.5 | 3/4" NPT | 40 | 22 | 33 | 496 |
| 125 | 8.6 | 39 | 1.1 | |||||||
| 150 | 10.3 | 34 | 1.0 | |||||||
| 175 | 12.1 | 28 | 0.8 | |||||||
| HBD 11 | 100 | 6.9 | 68 | 1.9 | 15 / 11 | 3/4" NPT | 48 | 26 | 36 | 661 |
| 125 | 8.6 | 63 | 1.8 | |||||||
| 150 | 10.3 | 55 | 1.6 | |||||||
| 175 | 12.1 | 51 | 1.4 | |||||||
| HBD 15 | 100 | 6.9 | 81 | 2.3 | 20 / 15 | 3/4" NPT | 48 | 26 | 36 | 750 |
| 125 | 8.6 | 75 | 2.1 | |||||||
| 150 | 10.3 | 70 | 2.0 | |||||||
| 175 | 12.1 | 66 | 1.9 | |||||||
| HBD 15 L | 100 | 6.9 | 97 | 2.7 | 20 / 15 | 1" NPT | 50 | 33 | 58 | 1058 |
| 125 | 8.6 | 87 | 2.5 | |||||||
| 150 | 10.3 | 77 | 2.2 | |||||||
| 175 | 12.1 | 71 | 2.0 | |||||||
| HBD 18 | 100 | 6.9 | 119 | 3.4 | 25 / 18.5 | 1" NPT | 50 | 33 | 58 | 1102 |
| 125 | 8.6 | 106 | 3.0 | |||||||
| 150 | 10.3 | 94 | 2.7 | |||||||
| 175 | 12.1 | 88 | 2.5 | |||||||
| HBD 22 | 100 | 6.9 | 140 | 3.9 | 30 / 22 | 1" NPT | 50 | 33 | 58 | 1168 |
| 125 | 8.6 | 128 | 3.6 | |||||||
| 150 | 10.3 | 113 | 3.2 | |||||||
| 175 | 12.1 | 107 | 3.0 | |||||||
| HBD 30 | 100 | 6.9 | 195 | 5.5 | 40 / 30 | 1 1/4" NPT | 63 | 41 | 69 | 1742 |
| 125 | 8.6 | 171 | 4.8 | |||||||
| 150 | 10.3 | 156 | 4.4 | |||||||
| 175 | 12.1 | 141 | 4.0 | |||||||
| HBD 37 | 100 | 6.9 | 243 | 6.9 | 50 / 37 | 1 1/4" NPT | 63 | 41 | 69 | 1830 |
| 125 | 8.6 | 220 | 6.2 | |||||||
| 150 | 10.3 | 201 | 5.7 | |||||||
| 175 | 12.1 | 180 | 5.1 | |||||||
Notes:
- Unit performance is measured under reference conditions: 1 bar (14.5 psig) absolute inlet air pressure, 0% relative humidity, 68°F (20°C) inlet air temperature, 160°F (71°C) thermostatic valve setting, and using Smartoil.
- HERTZ KOMPRESSOREN reserves the right to modify product specifications and designs without prior notice.
- * Free Air Delivery (FAD) values are measured in accordance with ISO 1217:2009, Annex C.