Hon&Guan PRO 8 in Inline Fan vs TerraBloom 8 in Inline Fan TB-MFIF-8

Last updated: November 9, 2026

The Hon&Guan PRO 8 in Inline Fan is the better inline duct fan overall, rated 3.1 to 2.9. The Hon&Guan PRO 8 in Inline Fan leads on airflow. The TerraBloom 8 in Inline Fan TB-MFIF-8 costs $10 less ($89.99 vs $99.99).

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.

Hon&Guan PRO 8 in Inline Fan vs TerraBloom 8 in Inline Fan TB-MFIF-8

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 8 in and up inline duct fan; a clear win is highlighted. How we rank explains each one.

Factor weightHon&Guan PRO 8 in Inline FanTerraBloom 8 in Inline Fan TB-MFIF-8
Overall rating3.1/52.9/5
Value 25%83 $12.05 per 100 CFM ($99.99, 830 CFM)82 $12.24 per 100 CFM ($89.99, 735 CFM)
Efficiency 25%0 power draw not published, scored as the lowest0 power draw not published, scored as the lowest
Airflow 15%82 830 CFM through 8 in duct59 735 CFM through 8 in duct
Noise 15%51 42 dBA at full speed50 full-speed noise not published (neutral score used)
Controls 10%40 speed controller included40 speed controller included
Warranty 10%0 warranty not published, scored as none0 warranty not published, scored as none

Specifications

Hon&Guan PRO 8 in Inline FanTerraBloom 8 in Inline Fan TB-MFIF-8
Performance
Duct size8 in8 in
Rated airflow830 CFM735 CFM
Price per 100 CFM$12.05$12.24
Noise at full speed42 dBA-
Controls
MotorEC-
ControllerStepless speed controllerBuilt-in speed controller
SpeedsSteplessStepless
Temperature and humidity controlNoNo
Phone appNoNo
Timer or cycle modesNoNo
Build
HousingMetal-
Ingress ratingIP42-

All inline duct fan comparisons →