HGinline 40W Solar Attic Fan vs OmniPV OP-SAF-40 Hybrid Solar Attic Fan

Last updated: November 2, 2026

The HGinline 40W Solar Attic Fan is the better solar attic fan overall, rated 3.4 to 3.2. The HGinline 40W Solar Attic Fan leads on features.

HGinline 40W Solar Attic Fan vs OmniPV OP-SAF-40 Hybrid Solar Attic Fan

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?

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 weightHGinline 40W Solar Attic FanOmniPV OP-SAF-40 Hybrid Solar Attic Fan
Overall rating3.4/53.2/5
Value 25%71 $0.17 per CFM ($299.99, 1,800 CFM credited of 2,000 claimed (45 per panel watt))72 $0.17 per CFM ($299.90, 1,800 CFM credited of 2,100 claimed (45 per panel watt))
Airflow 15%63 1,800 CFM credited of 2,000 claimed (45 per panel watt)63 1,800 CFM credited of 2,100 claimed (45 per panel watt)
Panel 20%60 40 W panel60 40 W panel
Features 15%100 thermostat, AC backup, separate or tilting panel70 thermostat, AC backup
Warranty 25%0 warranty not published, scored as none0 warranty not published, scored as none

Specifications

HGinline 40W Solar Attic FanOmniPV OP-SAF-40 Hybrid Solar Attic Fan
Airflow
MountRoofRoof
Airflow2,000 CFM2,100 CFM
Attic area2,500 sq ft-
Fan12 in-
Motorbrushless DCbrushless DC
Power
Panel40 W40 W
Separate or tilting panelYes-
ThermostatYesYes
AC backupYesYes
Build
Weight26.5 lb17.2 lb

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