Dreo 740S Dual-Hose Inverter
#4 in PortableFull review
A newer, lighter dual-hose inverter portable for anyone who wants efficient cooling and app control; the price is the main drawback.
Amazon $699.99$699.99
The Dreo 740S Dual-Hose Inverter is the better air conditioner overall, rated 3.4 to 2.7. The Dreo 740S Dual-Hose Inverter leads on inverter & app and efficiency. The Whynter ARC-147WF 14,000 BTU Dual Hose wins on value. The Whynter ARC-147WF 14,000 BTU Dual Hose costs $240 less ($459.99 vs $699.99).
Whynter ARC-147WF 14,000 BTU Dual Hose
#12 in PortableFull review
A simpler, cheaper dual-hose portable for people who want Whynter’s two-hose design without paying for an inverter. Its efficiency is ordinary, so running costs are higher than the NEX models.
Amazon $459.99$459.99
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Dreo 740S Dual-Hose Inverter for inverter & app (inverter compressor, Wi-Fi app vs fixed-speed compressor, no app) and efficiency (CEER 12.2 vs CEER 7.8).
- Choose the Whynter ARC-147WF 14,000 BTU Dual Hose for value ($46 per 1,000 BTU (SACC) vs $70 per 1,000 BTU (SACC)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable air conditioner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dreo 740S Dual-Hose Inverter | Whynter ARC-147WF 14,000 BTU Dual Hose |
|---|---|---|
| Overall rating | 3.4/5 | 2.7/5 |
| Value 30% | 33 $70 per 1,000 BTU (SACC) | 73 $46 per 1,000 BTU (SACC) |
| Efficiency 30% | 69 CEER 12.2 | 20 CEER 7.8 |
| Quiet 15% | 50 noise not published (neutral score used) | 39 51 dB on low (maker rating) |
| Inverter & app 15% | 100 inverter compressor, Wi-Fi app | 0 fixed-speed compressor, no app |
| Warranty 10% | 0 1-year warranty | 0 1-year warranty, 3 on the sealed system |
Independent measurements
Dreo 740S Dual-Hose Inverter
| Tested by | Noise | Power | Conditions |
|---|---|---|---|
| Tom's Guide | 54 dB | - | 54 dB at full power from 10 ft (ambient 33 dB). The app reported 3.54 kWh over 7.5 hours of use. |
Whynter ARC-147WF 14,000 BTU Dual Hose
No independent test published yet.
Specifications
| Dreo 740S Dual-Hose Inverter | Whynter ARC-147WF 14,000 BTU Dual Hose | |
|---|---|---|
| Cooling | ||
| Type | Portable, dual hose | Portable, dual hose |
| Certified capacity | 10,000 BTU | 10,000 BTU |
| ASHRAE rating (95 °F) | 14,000 BTU | 14,000 BTU |
| Room size (maker) | 300 sq ft | 500 sq ft |
| Inverter compressor | Yes | No |
| Heat | No | No |
| Dehumidifying | - | 134 pints/day |
| Noise | 42 dB | 51 to 54 dB |
| Efficiency and power | ||
| CEER | 12.2 Btu/Wh | 7.8 Btu/Wh |
| Certified by | DOE | DOE |
| ENERGY STAR | - | No |
| Power | - | 1,341 W |
| Voltage | - | 115 V |
| Current | - | 11.8 A |
| Refrigerant | - | R-32 |
| Controls and fit | ||
| Wi-Fi app | Yes | No |
| Voice assistants | Alexa | - |
| Remote | Yes | Yes |
| Window width | 20 to 53 in wide | 20 to 46 in wide |
| Drain | drainage-free self-evaporation | auto drain exhausts condensate; drain port for continuous dehumidifying |
| Dimensions | 28.13 x 17.32 x 14.37 in | 30.87 x 17.74 x 15.81 in |
| Weight | 55.4 lb | 73.8 lb |
| Warranty | 1 years | 1 years |
| Sealed system warranty | - | 3 years |
| Released | 2026-05 | - |