For owners who want full automation in an open lid fan and do not need it to run in rain. The rain sensor, thermostat and remote make it close to set and forget.
Amazon $338.09The MaxxAir Maxxfan Plus 4500K is the better RV roof vent fan overall, rated 3.8 to 3.2. The MaxxAir Maxxfan Plus 4500K leads on features. The Kohree Manual RV Vent Fan KR5314 wins on price. The Kohree Manual RV Vent Fan KR5314 costs $227.10 less ($110.99 vs $338.09).
For a low cost upgrade from a plain vent that still blows in and out at ten speeds. Buyers who leave the RV unattended should pick a fan with a rain sensor.
Amazon $110.99Prices 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.
Which should you buy?
- Choose the MaxxAir Maxxfan Plus 4500K for features (reversible, powered lid, thermostat, rain protection, remote vs reversible).
- Choose the Kohree Manual RV Vent Fan KR5314 for price ($110.99 vs $338.09).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every open lid RV roof vent fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | MaxxAir Maxxfan Plus 4500K | Kohree Manual RV Vent Fan KR5314 |
|---|---|---|
| Overall rating | 3.8/5 | 3.2/5 |
| Price 25% | 14 $338.09 | 100 $110.99 |
| Airflow 15% | 92 900 CFM on high | 51 630 CFM credited of 934 claimed (25 per watt drawn) |
| Speeds 10% | 100 10 speeds | 100 10 speeds |
| Features 25% | 100 reversible, powered lid, thermostat, rain protection, remote | 25 reversible |
| Warranty 25% | 50 2-year warranty | 0 warranty not published, scored as none |
Specifications
| MaxxAir Maxxfan Plus 4500K | Kohree Manual RV Vent Fan KR5314 | |
|---|---|---|
| Fan | ||
| Airflow | 900 CFM | 934 CFM |
| Speeds | 10 | 10 |
| Draw on high | - | 2.1 A |
| Blade | 12 in | - |
| Reversible | Yes | Yes |
| Lid and controls | ||
| Rain cover | No | No |
| Powered lid | Yes | No |
| Rain sensor | Yes | No |
| Thermostat | Yes | No |
| Remote | Yes | No |
| Light | No | No |
| Fit and build | ||
| Roof thickness | 2 to 6.5 in | - |
| Warranty | 2 years | - |
