VIKIO HOME VK-RI31-30B 30 in
#1 in IslandFull review
A black island hood with hands-free controls, for a cooktop on an island in a modern kitchen.
Amazon $429.99$429.99
The VIKIO HOME VK-RI31-30B 30 in is the better range hood overall, rated 3.6 to 3.4. The VIKIO HOME VK-RI31-30B 30 in leads on features. The Cosmo COS-668ICS750 Lumin 30 in costs $49.30 less ($380.69 vs $429.99).
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.
Cosmo COS-668ICS750 Lumin 30 in
#3 in IslandFull review
A glass island hood for a standard cooktop on an island. Open islands can benefit from more airflow.
Amazon $380.69$380.69
Which should you buy?
- Choose the VIKIO HOME VK-RI31-30B 30 in for features (dishwasher-safe steel filters, LED lighting, 3 or more speeds, delayed shut-off, converts to ductless, gesture, remote or app control vs dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every island range hood; a clear win is highlighted. How we rank explains each one.
| Factor weight | VIKIO HOME VK-RI31-30B 30 in | Cosmo COS-668ICS750 Lumin 30 in |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Airflow 20% | 96 390 CFM | 92 380 CFM |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 50 noise at full speed not published (neutral score used) |
| Quiet at low speed 15% | 50 45 dB | 50 45 dB |
| Features 20% | 75 dishwasher-safe steel filters, LED lighting, 3 or more speeds, delayed shut-off, converts to ductless, gesture, remote or app control | 55 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless |
| Price 15% | 37 $429.99 | 42 $380.69 |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| VIKIO HOME VK-RI31-30B 30 in | Cosmo COS-668ICS750 Lumin 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 390 CFM | 380 CFM |
| Noise at low speed | 45 dB | 45 dB |
| Fan speeds | 3 | 3 |
| Installation | ||
| Mount | Island | Island |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted or ductless |
| Duct connection | - | 6 in round |
| Power | - | Plug-in |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Steel baffle |
| LED lighting | Yes | Yes |
| Controls | Touch, gesture | Touch |
| Delayed shut-off | Yes | No |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 50.7 lb | 48.5 lb |
| Warranty | 2 years | 2 years |