Hisense Air Conditioners
Hisense (海信)
Brand overview. Hisense is a major Chinese electronics and home-appliance maker with a strong air-conditioning patent portfolio (including the Hisense Hitachi joint venture). Its Amazon US AC presence is currently very thin.
Patent Analysis
- Total patents (assignee “Hisense”): ~124,997 (displayed; truncated).
- AC-related patents: ~34,160.
- Technical focus: refrigerant (15,540), compressor (13,467), ventilation (3,735), inverter (1,846), heat pump (1,097), smart control (373). AC IP is filed mainly under Hisense Air Conditioning Co. and Qingdao Hisense Hitachi Air-conditioning Systems Co. (JV).
- 5-year filing trend: 4,321 → 5,090 → 4,192 → 3,498 → 2,386 (2021–2025). Peaked 2022, gradual decline but still high-volume.
- Representative patents:
- US11519614B2 — “Air conditioner with air purifying function” (2022)
- US10132530B2 — “Heat recovery variable-frequency multi-split heat pump system” (2018)
- US12181163B2 — “Air conditioner” (2024, Qingdao Hisense Hitachi)
- Source: Google Patents,
assignee:"Hisense", 2026-10-20.
Amazon Models
Note: Only one Hisense AC unit is currently in stock on Amazon US (2026-10-20); other AP/AW/U-shaped series appear delisted during the efficiency transition.
| Model | Type | BTU | Price | Rating | Key specs | Image |
|---|---|---|---|---|---|---|
| AP0621CR1W | Portable | 6,000 SACC (8,000 ASHRAE) | $174.99 | 1.0★ (1, new listing) | 250 sq ft · 115V / 850W · 49 dB · 24-hr timer · 75 lb |  |