Master Flow ERVHYBRID Dual Roof Vent
#19 in Roof mountFull review
For a small attic where the owner wants round the clock venting from a roofing brand. Other hybrid fans move far more air for less.
Amazon $418$418
The Master Flow ERVHYBRID Dual Roof Vent is the better solar attic fan overall, rated 2.2 to 1.9. The Master Flow ERVHYBRID Dual Roof Vent leads on features. The Master Flow ERVSOLAR Solar Roof Vent costs $128.05 less ($289.95 vs $418).
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.
Master Flow ERVSOLAR Solar Roof Vent
#20 in Roof mountFull review
For a small attic where a roofing brand warranty with labor cover matters more than airflow per dollar.
Amazon $289.95$289.95
Which should you buy?
- Choose the Master Flow ERVHYBRID Dual Roof Vent for features (thermostat, AC backup, separate or tilting panel vs separate or tilting panel).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every roof mount solar attic fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | Master Flow ERVHYBRID Dual Roof Vent | Master Flow ERVSOLAR Solar Roof Vent |
|---|---|---|
| Overall rating | 2.2/5 | 1.9/5 |
| Value 25% | 0 $0.84 per CFM ($418, 500 CFM) | 5 $0.55 per CFM ($289.95, 525 CFM) |
| Airflow 15% | 0 500 CFM | 0 525 CFM |
| Panel 20% | 10 15 W panel | 10 15 W panel |
| Features 15% | 100 thermostat, AC backup, separate or tilting panel | 30 separate or tilting panel |
| Warranty 25% | 17 5-year warranty | 17 5-year warranty |
Specifications
| Master Flow ERVHYBRID Dual Roof Vent | Master Flow ERVSOLAR Solar Roof Vent | |
|---|---|---|
| Airflow | ||
| Mount | Roof | Roof |
| Airflow | 500 CFM | 525 CFM |
| Attic area | 800 sq ft | 800 sq ft |
| Motor | 24V brushless DC | 24V brushless DC |
| Power | ||
| Panel | 15 W | 15 W |
| Separate or tilting panel | Yes | Yes |
| Thermostat | Yes | - |
| AC backup | Yes | No |
| Build | ||
| Weight | - | 20 lb |
| Warranty | 5 years | 5 years |