Fantech FLEX 100H

Last updated: November 2, 2026

Fantech FLEX 100H

An HRV for a condo or apartment where space is the main constraint. Anyone with room for a full size unit gets far better recovery for the money from the Broan or HERO.

  • 106 cfmAirflow
  • 61%Sensible recovery
Check price at Amazon$1,131.63

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Fits in a space as small as 24 in, such as a closet or soffit
  • Lifetime core and 7 year motor warranties
  • Plugs into a standard outlet
Cons
  • 61% heat recovery is the lowest here
  • High price for about 106 cfm
  • Fantech and HVI power figures disagree, so running cost is unclear

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberFLEX 100H
Performance
CoreHRV (heat only)
InstallDucted, whole house
Airflow106 cfm
Sensible recovery61%
Build
Frost protectionYes
HVI certifiedYes
Warranty5 years

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