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 3.5. The Cosmo COS-QS75 Haven 30 in leads on quiet at low speed and price. The Hauslane UC-PS18 30 in wins on warranty. The Cosmo COS-QS75 Haven 30 in costs $180 less ($319.99 vs $499.99).
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.
Hauslane UC-PS18 30 in
#5 in Under-cabinetFull review
A heavy-duty under-cabinet hood for frequent high-heat cooking, with a lifetime motor warranty. It needs a duct to the outside.
Amazon $499.99$499.99
Which should you buy?
- Choose the Cosmo COS-QS75 Haven 30 in for quiet at low speed (40 dB vs 1.5 sones (about 46 dB)) and price ($319.99 vs $499.99).
- Choose the Hauslane UC-PS18 30 in for warranty (2-year warranty, lifetime motor warranty vs 2-year warranty).
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 | Hauslane UC-PS18 30 in |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Airflow 20% | 100 500 CFM | 100 500 CFM |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 35 7 sones (about 68 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 | 70 dishwasher-safe steel filters, airflow cap for make-up air codes, LED lighting, 3 or more speeds, delayed shut-off |
| Price 15% | 49 $319.99 | 30 $499.99 |
| Warranty 10% | 25 2-year warranty | 50 2-year warranty, lifetime motor warranty |
Specifications
| Cosmo COS-QS75 Haven 30 in | Hauslane UC-PS18 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 500 CFM | 500 CFM |
| Equivalent airflow (maker figure, not scored) | - | 860 CFM |
| Noise at max speed | - | 7 sones |
| Noise at low speed | 40 dB | 1.5 sones |
| Fan speeds | 4 | 6 |
| Installation | ||
| Mount | Under-cabinet | Under-cabinet |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted only |
| Duct connection | 7.5 in round | 6 in round or 3-1/4 x 10 in |
| Power | Plug-in | Plug-in |
| Airflow cap for make-up air codes | No | Yes |
| Features | ||
| Grease filters | Steel baffle | Steel baffle |
| LED lighting | Yes | Yes |
| Controls | Touch, remote | Touch |
| Delayed shut-off | No | Yes |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 53 lb | 49 lb |
| Warranty | 2 years | 2 years |
| Motor warranty | - | Lifetime |