Cosmo COS-63ISS75 Lumin 30 in
#4 in IslandFull review
A plain stainless island hood with baffle filters and a two-year warranty, for an island cooktop.
Amazon $386$386
The Cosmo COS-63ISS75 Lumin 30 in and the VIKIO HOME RI51 30 in are evenly matched, rated 3.4 and 3.4. The Cosmo COS-63ISS75 Lumin 30 in leads on airflow. The VIKIO HOME RI51 30 in wins on quiet at low speed and features. The Cosmo COS-63ISS75 Lumin 30 in costs $72.23 less ($386 vs $458.23).
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.
VIKIO HOME RI51 30 in
#5 in IslandFull review
A high-airflow island hood for heavy cooking on an open island. Plan for make-up air.
Amazon $458.23$458.23
Which should you buy?
- Choose the Cosmo COS-63ISS75 Lumin 30 in for airflow (380 CFM vs 1,200 CFM, more than a home range needs).
- Choose the VIKIO HOME RI51 30 in for quiet at low speed (40 dB vs 45 dB) and features (dishwasher-safe steel filters, LED lighting, 3 or more speeds, delayed shut-off, 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 | Cosmo COS-63ISS75 Lumin 30 in | VIKIO HOME RI51 30 in |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Airflow 20% | 92 380 CFM | 60 1,200 CFM, more than a home range needs |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 50 65 dB |
| Quiet at low speed 15% | 50 45 dB | 75 40 dB |
| Features 20% | 55 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless | 65 dishwasher-safe steel filters, LED lighting, 3 or more speeds, delayed shut-off, gesture, remote or app control |
| Price 15% | 41 $386 | 34 $458.23 |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Cosmo COS-63ISS75 Lumin 30 in | VIKIO HOME RI51 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 380 CFM | 1,200 CFM |
| Noise at max speed | - | 65 dB |
| Noise at low speed | 45 dB | 40 dB |
| Fan speeds | 3 | 3 |
| Installation | ||
| Mount | Island | Island |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted only |
| Power | Plug-in | - |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Stainless steel |
| LED lighting | Yes | Yes |
| Controls | Touch | Touch, gesture |
| Delayed shut-off | No | Yes |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 38.4 lb | 73.9 lb |
| Warranty | 2 years | 2 years |