Cosmo COS-QS75 Haven 30 in
#1 in Under-cabinetFull review
A stronger, quieter-at-low-speed Cosmo with a remote and four speeds, for heavier cooking under a cabinet.
Amazon $319.99$319.99
The Cosmo COS-QS75 Haven 30 in is the better range hood overall, rated 3.7 to 3.3. The Cosmo COS-QS75 Haven 30 in leads on features, quiet at low speed and warranty. The Broan Elite ALT230SS 30 in wins on price. The Broan Elite ALT230SS 30 in costs $82.34 less ($237.65 vs $319.99).
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.
Broan Elite ALT230SS 30 in
#11 in Under-cabinetFull review
A quiet three-speed under-cabinet hood with touch controls, for cooks who want Broan quality a step up from the basic models.
Amazon $237.65$237.65
Which should you buy?
- Choose the Cosmo COS-QS75 Haven 30 in for features (dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless, gesture, remote or app control vs LED lighting, 3 or more speeds, converts to ductless), quiet at low speed (40 dB vs 1.5 sones (about 46 dB)) and warranty (2-year warranty vs 1-year warranty).
- Choose the Broan Elite ALT230SS 30 in for price ($237.65 vs $319.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under-cabinet range hood; a clear win is highlighted. How we rank explains each one.
| Factor weight | Cosmo COS-QS75 Haven 30 in | Broan Elite ALT230SS 30 in |
|---|---|---|
| Overall rating | 3.7/5 | 3.3/5 |
| Airflow 20% | 100 500 CFM | 90 375 CFM |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 46 6 sones (about 66 dB) |
| Quiet at low speed 15% | 75 40 dB | 46 1.5 sones (about 46 dB) |
| Features 20% | 65 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless, gesture, remote or app control | 35 LED lighting, 3 or more speeds, converts to ductless |
| Price 15% | 49 $319.99 | 62 $237.65 |
| Warranty 10% | 25 2-year warranty | 0 1-year warranty |
Specifications
| Cosmo COS-QS75 Haven 30 in | Broan Elite ALT230SS 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 500 CFM | 375 CFM |
| HVI-certified airflow (0.1 in.) | - | 230 CFM |
| Noise at max speed | - | 6 sones |
| Noise at low speed | 40 dB | 1.5 sones |
| Fan speeds | 4 | 3 |
| Installation | ||
| Mount | Under-cabinet | Under-cabinet |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted or ductless |
| Duct connection | 7.5 in round | 3-1/4 x 10 in or 7 in round |
| Power | Plug-in | Hardwired |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Aluminum mesh |
| LED lighting | Yes | Yes |
| Controls | Touch, remote | Touch |
| Delayed shut-off | No | No |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 53 lb | 21 lb |
| Warranty | 2 years | 1 year |