For buyers who want every automatic feature in an open lid fan at the lowest price. The unknown warranty is the main risk.
Kohree $137.77The Kohree Remote RV Vent Fan KR5312 rates 3.8 among open lid RV roof vent fans; the MaxxAir Maxxfan Deluxe 6401K rates 3.5 among rain covered ones. The Kohree Remote RV Vent Fan KR5312 costs $105.44 less ($137.77 vs $243.21).

For owners who mostly want a bathroom or galley exhaust that can stay open in rain. It gives the Deluxe rain cover at a much lower price, without intake or automation.
Amazon $243.21Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different lid classes (open lid and rain covered), and each is scored against the reference points for its own class, so a rating says how well each does among its own lid peers. How we rank explains each factor.
| Factor weight | Kohree Remote RV Vent Fan KR5312 | MaxxAir Maxxfan Deluxe 6401K |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Price 25% | 89 $137.77 | 100 $243.21 |
| Airflow 15% | 51 630 CFM credited of 934 claimed (25 per watt drawn) | 92 900 CFM on high |
| Speeds 10% | 100 10 speeds | 14 4 speeds |
| Features 25% | 100 reversible, powered lid, thermostat, rain protection, remote | 20 rain protection |
| Warranty 25% | 0 warranty not published, scored as none | 50 2-year warranty |
Specifications
| Kohree Remote RV Vent Fan KR5312 | MaxxAir Maxxfan Deluxe 6401K | |
|---|---|---|
| Fan | ||
| Airflow | 934 CFM | 900 CFM |
| Speeds | 10 | 4 |
| Draw on high | 2.1 A | - |
| Blade | - | 12 in |
| Reversible | Yes | No |
| Lid and controls | ||
| Rain cover | No | Yes |
| Powered lid | Yes | No |
| Rain sensor | Yes | No |
| Thermostat | Yes | No |
| Remote | Yes | No |
| Light | No | No |
| Fit and build | ||
| Roof thickness | 1.16 to 5.5 in | 1.125 to 6.5 in |
| Warranty | - | 2 years |