QY-A900 vs QY-A1200
The compact entry inhaler in the QY-A series, compared with the quiet daily-protocol QY-A1200.
Specifications at a glance
| QY-A900 | QY-A1200 | |
|---|---|---|
| Total gas (H₂ + O₂) | 900 ml/min | 1200 ml/min |
| Pure H₂ stream | 600 ml/min | 800 ml/min |
| Pure O₂ stream | 300 ml/min | 400 ml/min |
| Purity | 99.99% | 99.99% |
| Stack | Single SPE/PEM | Twin SPE/PEM |
| Noise (1 m) | ≤ 45 dB | ≤ 40 dB |
| Power | 260 W | 600 W |
| Weight | 16 kg | 16 kg |
| Dimensions | 260 × 340 × 420 mm | 260 × 340 × 420 mm |
| Multi-user (Y connector) | Included | Included |
| Session timer | Yes | Up to 360 min |
| Display | Front panel | Smart touch (flow, timer, TDS, temp) |
| Mobility | Side handle | Casters + recessed handle |
| Certifications | CE, FCC, RoHS, ISO9001, ISO13485 | CE, FCC, RoHS, ISO9001, ISO13485 |
Specifications describe hardware and engineering parameters. They are not medical or therapeutic statements.
Key similarities
- Same SPE/PEM hydrogen-separation technology at 99.99% purity
- Y connector included for two-user or combined H₂+O₂ delivery
- Same certification stack (CE, FCC, RoHS, ISO9001, ISO13485)
- Same 12-month warranty and free worldwide delivery
Key differences
- Output: 900 vs 1200 ml/min total flow (600 vs 800 ml/min pure H₂)
- Noise: the QY-A1200 is the quietest machine in the range at ≤40 dB
- Footprint: identical 260 × 340 × 420 mm case, 16 kg — both are studio-grade builds
- Display: front panel vs smart touch with live TDS and temperature
- Mobility: side-handle carry vs casters and recessed handle
Which one fits you?
You're a solo user. You want a quiet, low-footprint daily inhaler that sits unobtrusively on a side table and runs on any wall outlet.
Two people in your household will share sessions, or you want the quietest possible operation in a bedroom, study or wellness room — and you're happy to trade portability for refinement.
Both machines carry CE (European safety + EMC), FCC (US EMC), RoHS (hazardous-substance restriction) and are made in ISO 9001 / ISO 13485-aligned facilities. Certifications describe hardware and manufacturing, not therapeutic status.
View all certifications →Both use a 2 L purified-water reservoir and the same cell-rinse cadence. Use distilled or RO water at the reservoir. Replace the cannula on the schedule in the manual. The heavier QY-A1200 sits in one place; the QY-A900 is easier to move between rooms.
Frequently asked questions
- Is the QY-A1200 actually quieter than the QY-A900?
- Yes — the tuned twin stack and larger ventilation panels in the QY-A1200 make it the quietest machine in the range at ≤40 dB at 1 m, vs ≤45 dB for the QY-A900. Both share the same 16 kg / 260 × 340 × 420 mm chassis.
- Can the QY-A900 be used by two people at once?
- Yes, via the included Y connector. The QY-A1200's higher 1200 ml/min total flow is more comfortable for sustained two-user sessions; the QY-A900 is better suited to solo use.
- Do both machines use the same accessories?
- Yes — nasal cannula, humidifier tubes and Y connectors are interchangeable across the QY-A series.
- Is the QY-A1200 worth the price difference?
- If you'll use it daily, in a quiet room, with two people sharing some sessions, the answer is usually yes. For solo, lower-intensity use, the QY-A900 is the better-value choice.