AClengda 12V 9000 BTU Wall-Mount AC
#11 in 12V splitFull review
A slim wall-mounted evaporator with an inverter scroll compressor, for a van or camper where the evaporator box has no room.
Amazon $569$569
The AClengda 12V 9000 BTU Wall-Mount AC rates 3.0 among 12V split parking air conditioners; the KNOLET 24V 9200 BTU Split AC rates 2.5 among 24V split ones. The AClengda 12V 9000 BTU Wall-Mount AC costs $110.70 less ($569 vs $679.70).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
KNOLET 24V 9200 BTU Split AC
#5 in 24V splitFull review
A quiet 18 cc inverter unit for 24 V trucks, at the highest price of the split units.
Amazon $679.70$679.70
Scores side by side
These two sit in different type classes (12V split and 24V split), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | AClengda 12V 9000 BTU Wall-Mount AC | KNOLET 24V 9200 BTU Split AC |
|---|---|---|
| Overall rating | 3.0/5 | 2.5/5 |
| Value 35% | 20 $63.22 per 1,000 BTU ($569, 9,000 BTU) | 7 $73.88 per 1,000 BTU ($679.70, 9,200 BTU) |
| Efficiency 20% | 50 input power not published (neutral score used) | 50 input power not published (neutral score used) |
| Noise 15% | 100 40 dB listed for the indoor unit | 76 46 dB listed for the indoor unit |
| Features 20% | 50 2 of 4: inverter compressor, low-voltage cutoff | 25 1 of 4: inverter compressor |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| AClengda 12V 9000 BTU Wall-Mount AC | KNOLET 24V 9200 BTU Split AC | |
|---|---|---|
| Cooling and power | ||
| Claimed cooling | 9,000 BTU | 9,200 BTU |
| Supply voltage | 12 V | 24 V |
| Build | ||
| Layout | Split, two units | Split, two units |
| Compressor | - | 18 cc |
| Inverter compressor | Yes | Yes |
| Ships charged with refrigerant | - | No |
| Controls, noise and warranty | ||
| Low-voltage cutoff | Yes | - |
| Indoor noise | 40 dB | 46 dB |