KNOLET 12V 13500 BTU Split AC
#1 in 12V splitFull review
The largest 12 V claim here at a low price, on a 20 cc compressor, which is the reason to doubt 13,500 BTU.
Amazon $372.92$372.92
The KNOLET 12V 13500 BTU Split AC rates 3.4 among 12V split parking air conditioners; the Saihemei 12V Under-Dash AC 13700 BTU rates 3.1 among under-dash ones. The Saihemei 12V Under-Dash AC 13700 BTU costs $13.93 less ($358.99 vs $372.92).
Prices were last checked November 4, 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.
Saihemei 12V Under-Dash AC 13700 BTU
#1 in Under-dashFull review
The cheapest under-dash kit, with heating, but a 13,700 BTU claim and nothing else to check it against.
Amazon $358.99$358.99
Scores side by side
These two sit in different type classes (12V split and under-dash), 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 | KNOLET 12V 13500 BTU Split AC | Saihemei 12V Under-Dash AC 13700 BTU |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 35% | 66 $37.29 per 1,000 BTU ($372.92, 10,000 BTU credited of 13,500 claimed) | 69 $35.90 per 1,000 BTU ($358.99, 10,000 BTU credited of 13,700 claimed) |
| Efficiency 20% | 50 input power not published (neutral score used) | 50 input power not published (neutral score used) |
| Noise 15% | 76 46 dB listed for the indoor unit | 80 45 dB listed for the indoor unit |
| Features 20% | 50 2 of 4: inverter compressor, low-voltage cutoff | 0 none listed |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| KNOLET 12V 13500 BTU Split AC | Saihemei 12V Under-Dash AC 13700 BTU | |
|---|---|---|
| Cooling and power | ||
| Claimed cooling | 13,500 BTU | 13,700 BTU |
| Supply voltage | 12 V | 12 V |
| Heating | - | Yes |
| Build | ||
| Layout | Split, two units | Under-dash, one unit |
| Compressor | 20 cc | - |
| Inverter compressor | Yes | - |
| Ships charged with refrigerant | No | - |
| Controls, noise and warranty | ||
| Low-voltage cutoff | Yes | - |
| Indoor noise | 46 dB | 45 dB |