How We Compare
We compare based on six key indicators that directly impact real-world performance:
Determines how strong the suction force is. Higher values mean stronger suction. -75 kPa is sufficient for home use; professional settings need -80 kPa or above.
Volume of air moved per minute. Low flow (16 L/min) suits normal secretions. High flow (36-90 L/min) handles large or thick secretion volumes.
Runtime on a full charge. Ranges from 30 to 80 minutes. Critical for outdoor use or power outage backup.
Affects portability. Ranges from 1.72 kg (VACUAIDE) to 20 kg (HOSPIVAC). Consider how often the caregiver needs to move the machine.
Noise control matters for extended use. Ranges from 46 dB (HOSPIVAC) to 65 dB (ASKIR 36 BR). Choose quieter models for bedroom use.
Some models have interval limits (30 min ON / 30 min OFF). High-flow models typically support continuous operation on mains power.
Scenario Recommendations
Find the best model based on your specific use case:
Choose a lightweight, easy-to-operate model with readily available accessories.
Choose a model supporting AC + battery + 12V car power.
Choose contactless operation, high flow, Flovac disposable system compatible.
Choose fast battery start, wide environmental tolerance, rugged build.
Choose 90 L/min, 24-hour operation, dual-jar switchover.
Manual pump needs no power, single-hand operation. Cannot replace daily powered use.
Full Specification Comparison Table
| Image | Model | Brand | Flow Rate | Max Vacuum | Weight | Battery | Noise | Duty Cycle | Power |
|---|---|---|---|---|---|---|---|---|---|
 | ATMOS LC27 Portable Rechargeable Suction Machine | ATMOS | 27 L/min | -80 kPa / -600 mmHg | 3.5 kg | ≈60 min | <65 dB(A) | 30 min ON / 30 min OFF | Mains / Battery |
 | CA-MI NEW ASKIR 230/12VBR Portable Rechargeable Suction Machine | CA-MI | 16 L/min | -75 kPa / -563 mmHg | 3.50 kg | ≈80 min | 63.0 dB(A) | Non-stop operation by mains only | AC / Battery / 12V DC |
 | CA-MI NEW ASKIR 30 PROXIMITY Contactless Suction Machine | CA-MI | 40 L/min | -80 kPa / -600 mmHg | 3.60 kg | N/A | 60.5 dB | Non-stop | 230V / 50Hz |
 | CA-MI NEW ASKIR 36 BR Portable High-Flow Suction Machine | CA-MI | 36 L/min | -80 kPa / -600 mmHg | 4.06 kg | ≈60 min | 65.5 dB(A) | Non-stop operation by mains only | AC / Battery / 12V DC |
 | Drive DeVilbiss VACUAIDE 7325P Portable Suction Machine | Drive DeVilbiss | 27 L/min | 50–550 mmHg | 1.72 kg | up to 45 min | — | — | AC / Battery / 12V DC |
 | Manual Suction Pump | — | >20 L/min | -450 mmHg | 230 g | N/A | N/A | Manual | Manual (hand-operated) |
 | ACCUVAC Basic Portable Professional Suction Machine | Weinmann / ACCUVAC | >20 L/min | 0.8 bar / 80 kPa | ≈5.4 kg | ≈30 min at max suction after 14h charge | — | S2 60 min | Mains / Battery |
 | ATMOS C341 Professional Emergency Suction Machine | ATMOS | 26 L/min | 0.8 bar / 80 kPa | 4.6 kg | 45 min ON / 90 min OFF | <60 dB(A) | Short-term: 45 min ON / 90 min OFF | 12V DC / Battery |
 | ACCUVAC Rescue Advanced Emergency Suction Machine | Weinmann / ACCUVAC | >20 L/min | 0.8 bar / 80 kPa | ≈5 kg | ≥45 min at max suction | — | — | Battery / 12V DC |
 | NEW HOSPIVAC High-Flow Suction Machine | CA-MI / HOSPIVAC | 90 L/min | -90 kPa / -675 mmHg | 20 kg | N/A | 46.4 dB(A) | 24h non-stop | 230V / 50Hz |
Accessory Burden Comparison
Beyond machine specs, long-term accessory costs and replacement frequency are important factors in your decision:
| Model | Key Consumables | Accessory Availability | Hygiene Burden |
|---|---|---|---|
| VACUAIDE 7325P | 800ml disposable jar + filter cartridge | High (complete, easy to source) | Low (disposable system) |
| ATMOS LC27 | DDS filter cartridge + tubing | Medium (proprietary parts) | Medium |
| ASKIR 230/12VBR | Filter + Ø6/10mm tubing | High (CA-MI universal) | Medium (Flovac optional) |
| ASKIR 36 BR | Filter + Ø8/14mm tubing | High (CA-MI universal) | Medium (Flovac optional) |
| ASKIR 30 PROXIMITY | Filter + Ø6/10mm tubing | High (CA-MI universal) | Low (contactless + Flovac) |
| NEW HOSPIVAC | Filter + Ø8/14mm tubing + safety jar | Medium (professional parts) | Medium |
Rent or Buy?
Consider Renting When
- Short-term recovery (weeks to months)
- Uncertain how long you'll need the machine
- Want to try before committing to a model
- Prefer not to handle maintenance and replacements
- Temporary backup needs
Consider Buying When
- Confirmed long-term daily use
- Already identified the right model
- Fixed equipment for institutional/professional settings
- Want full ownership and maintenance control
- Institutional bulk purchase of multiple units
Comparison FAQ
Not necessarily. Flow rate measures air movement speed, not suction strength. Home users may find high-flow models uncomfortable due to excessive airflow. Choose based on actual needs: 16-27 L/min for normal secretions, 36+ L/min for large or thick volumes.
Max vacuum (kPa/mmHg) measures how strong the vacuum force is — think of it as 'suction strength'. Flow rate (L/min) measures how much air moves per minute — think of it as 'speed'. A 'high vacuum / low flow' machine (like ASKIR 230) has adequate suction but moves air more slowly.
Most rechargeable models support simultaneous mains operation and charging. ASKIR 230 and ASKIR 36 BR can run continuously on mains power (no duty cycle limit) while charging. However, the LC27 has interval mode limitations (30 min ON / 30 min OFF) even on mains power.
NEW HOSPIVAC (46.4 dB) > ATMOS C341 (<60 dB) > ASKIR 30 PROXIMITY (60.5 dB) > ASKIR 230 (63 dB) > ASKIR 36 BR (65.5 dB). For bedroom use, choose a quieter model.
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