MaxxAir Maxxfan Plus 4000K
#6 in Open lidFull review
For owners who want strong two way airflow and a thermostat without paying for a motorized lid. Pair it with a separate cover if it has to run in rain.
Amazon $253.31$253.31
The MaxxAir Maxxfan Plus 4000K is the better RV roof vent fan overall, rated 3.5 to 3.4. The MaxxAir Maxxfan Plus 4000K leads on price. The Dometic Fan-Tastic 7350 wins on features. The MaxxAir Maxxfan Plus 4000K costs $146.69 less ($253.31 vs $400).
Dometic Fan-Tastic 7350
#7 in Open lidFull review
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$400
Prices 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 4000K for price ($253.31 vs $400).
- Choose the Dometic Fan-Tastic 7350 for features (reversible, powered lid, thermostat, rain protection, remote vs reversible, thermostat).
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 4000K | Dometic Fan-Tastic 7350 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Price 25% | 38 $253.31 | 0 $400 |
| Airflow 15% | 92 900 CFM on high | 50 airflow not published (neutral score used) |
| Speeds 10% | 100 10 speeds | 100 14 speeds |
| Features 25% | 45 reversible, thermostat | 100 reversible, powered lid, thermostat, rain protection, remote |
| Warranty 25% | 50 2-year warranty | 50 2-year warranty |
Specifications
| MaxxAir Maxxfan Plus 4000K | Dometic Fan-Tastic 7350 | |
|---|---|---|
| Fan | ||
| Airflow | 900 CFM | - |
| Speeds | 10 | 14 |
| Draw on high | - | 3 A |
| Blade | 12 in | 12 in |
| Reversible | Yes | Yes |
| Lid and controls | ||
| Rain cover | No | No |
| Powered lid | No | Yes |
| Rain sensor | No | Yes |
| Thermostat | Yes | Yes |
| Remote | No | Yes |
| Light | No | No |
| Fit and build | ||
| Roof thickness | 2 to 6.5 in | 0.875 to 6 in |
| Weight | - | 12 lb |
| Warranty | 2 years | 2 years |