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 3.4. The Cosmo COS-QS75 Haven 30 in leads on features. The Tieasy GD-RHA30GDQ1 30 in wins on price. The Tieasy GD-RHA30GDQ1 30 in costs $220.01 less ($99.98 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.
Tieasy GD-RHA30GDQ1 30 in
#9 in Under-cabinetFull review
A cheap, simple under-cabinet hood with decent airflow for a basic kitchen. The listing gives no noise or warranty figures.
Amazon $99.98$99.98
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 converts to ductless).
- Choose the Tieasy GD-RHA30GDQ1 30 in for price ($99.98 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 | Tieasy GD-RHA30GDQ1 30 in |
|---|---|---|
| Overall rating | 3.7/5 | 3.4/5 |
| Airflow 20% | 100 500 CFM | 100 400 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% | 75 40 dB | 50 noise at low speed not published (neutral score used) |
| Features 20% | 65 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless, gesture, remote or app control | 10 converts to ductless |
| Price 15% | 49 $319.99 | 100 $99.98 |
| Warranty 10% | 25 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Cosmo COS-QS75 Haven 30 in | Tieasy GD-RHA30GDQ1 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 500 CFM | 400 CFM |
| Noise at low speed | 40 dB | - |
| Fan speeds | 4 | 2 |
| 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 round, top or rear |
| Power | Plug-in | Hardwired |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | Aluminum mesh |
| LED lighting | Yes | No |
| Controls | Touch, remote | Rocker |
| Delayed shut-off | No | No |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 53 lb | - |
| Warranty | 2 years | - |