For owners who want the most automated Fan-Tastic in the classic housing, with a remote. Buyers who need to run it in rain should look at covered fans instead.
Amazon $400
For buyers who find it cheaper than the 10 speed Plus 4000K at the time of purchase; otherwise the 4000K does the same job with finer speed control.
- 900 CFMAirflow
- 4Speeds
- NoRain cover
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Blows in or out and runs on a thermostat
- Same 12 in blade and airflow claim as the 10 speed Plus
- Takes a Fanmate cover later if you want to run it in rain
- Only four speeds yet priced above the 10 speed 4000K on Amazon
- Lid must be closed by hand before rain
- No remote
The MaxxAir MaxxFan Plus family
Every MaxxAir MaxxFan Plus model we rank, smallest first. Ratings compare each against its own lid.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| MaxxAir Maxxfan Plus 4002K (this one) | 900 CFM | 3.1/5 | $271.21 |
| MaxxAir Maxxfan Plus 4000K | 900 CFM | 3.5/5 | $253.31 |
| MaxxAir Maxxfan Plus 4500K | 900 CFM | 3.8/5 | $338.09 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its lid. How we rank explains each one.
Specifications
| Model number | 00-04002K |
|---|---|
| Fan | |
| Airflow | 900 CFM |
| Speeds | 4 |
| Blade | 12 in |
| Reversible | Yes |
| Lid and controls | |
| Rain cover | No |
| Powered lid | No |
| Rain sensor | No |
| Thermostat | Yes |
| Remote | No |
| Light | No |
| Fit and build | |
| Roof thickness | 2 to 6.5 in |
| Warranty | 2 years |
Alternatives in this lid
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 $110.99For a simple, cheap upgrade from a plain roof vent where exhaust is all that is needed. Buyers who want intake or automation should step up to a Maxxfan Plus.
Amazon $166.67Compare
Compare the MaxxAir Maxxfan Plus 4002K with any other RV roof vent fan →
More from MaxxAir: every MaxxAir product ranked.