Firegas FGS-USB13G70AC 30 in Insert
#1 in InsertsFull review
A low-cost insert with strong airflow and both ducted and ductless filters in the box.
Amazon $155.99$155.99
The Firegas FGS-USB13G70AC 30 in Insert is the better range hood overall, rated 3.9 to 3.5. The Firegas FGS-USB13G70AC 30 in Insert leads on price and features. The Firegas FGS-USB13G70AC 30 in Insert costs $97 less ($155.99 vs $252.99).
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-30IRHP Lumin 30 in Insert
#3 in InsertsFull review
A simple 30 in insert for a custom hood shell, with baffle filters and right-sized airflow.
Amazon $252.99$252.99
Which should you buy?
- Choose the Firegas FGS-USB13G70AC 30 in Insert for price ($155.99 vs $252.99) and features (dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless vs dishwasher-safe steel filters, LED lighting, 3 or more speeds).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every inserts range hood; a clear win is highlighted. How we rank explains each one.
| Factor weight | Firegas FGS-USB13G70AC 30 in Insert | Cosmo COS-30IRHP Lumin 30 in Insert |
|---|---|---|
| Overall rating | 3.9/5 | 3.5/5 |
| Airflow 20% | 100 600 CFM | 92 380 CFM |
| Quiet at full speed 20% | 90 57 dB | 50 noise at full speed not published (neutral score used) |
| Quiet at low speed 15% | 50 noise at low speed not published (neutral score used) | 50 45 dB |
| Features 20% | 55 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless | 45 dishwasher-safe steel filters, LED lighting, 3 or more speeds |
| Price 15% | 81 $155.99 | 60 $252.99 |
| Warranty 10% | 0 warranty not published, scored as none | 25 2-year warranty |
Specifications
| Firegas FGS-USB13G70AC 30 in Insert | Cosmo COS-30IRHP Lumin 30 in Insert | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 600 CFM | 380 CFM |
| Noise at max speed | 57 dB | - |
| Noise at low speed | - | 45 dB |
| Fan speeds | 3 | 3 |
| Installation | ||
| Mount | Insert | Insert |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted only |
| Duct connection | 6 in round | 5.9 in round |
| Power | Plug-in | Plug-in |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Steel baffle |
| LED lighting | Yes | Yes |
| Controls | Push button | Push button |
| Delayed shut-off | - | No |
| Automatic fan speed | No | No |
| Build | ||
| Weight | - | 15.9 lb |
| Warranty | - | 2 years |