Fantech HERO 150H
The heat recovery pick for a mid size home in a cold climate, backed by long core and motor warranties. It draws more power at full airflow than the Broan and ACiQ units.
Amazon $1,175$1,175
The Fantech HERO 150H is the better ERV or HRV overall, rated 3.7 to 3.1. The Fantech HERO 150H leads on heat recovery and value. The Fantech FLEX 100H costs $43.37 less ($1,131.63 vs $1,175).
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.
Amazon $1,131.63$1,131.63
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 Fantech HERO 150H for heat recovery (80% sensible recovery vs 61% sensible recovery) and value ($7.83 per cfm ($1,175, 150 cfm) vs $10.68 per cfm ($1,131.63, 106 cfm)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every whole-house HRV ERV or HRV; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fantech HERO 150H | Fantech FLEX 100H |
|---|---|---|
| Overall rating | 3.7/5 | 3.1/5 |
| Heat recovery 25% | 83 80% sensible recovery | 20 61% sensible recovery |
| Efficiency 15% | 28 1 cfm per watt (150 cfm, 150 W) | 50 power draw not published (neutral score used) |
| Value 25% | 68 $7.83 per cfm ($1,175, 150 cfm) | 45 $10.68 per cfm ($1,131.63, 106 cfm) |
| Quiet 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
| Warranty 25% | 67 5-year warranty | 67 5-year warranty |
Specifications
| Fantech HERO 150H | Fantech FLEX 100H | |
|---|---|---|
| Performance | ||
| Core | HRV (heat only) | HRV (heat only) |
| Install | Ducted, whole house | Ducted, whole house |
| Airflow | 150 cfm | 106 cfm |
| Sensible recovery | 80% | 61% |
| Power draw | 150 W | - |
| Build | ||
| Frost protection | Yes | Yes |
| ENERGY STAR | Yes | - |
| HVI certified | Yes | Yes |
| Warranty | 5 years | 5 years |