Pioneer ECOasis 150
#5 in Single roomFull review
A wall mounted ERV and air purifier in one for a single large room or small apartment. Buyers who want maximum fresh air per dollar will do better with a ducted unit.
Amazon $1,088$1,088
The Pioneer ECOasis 150 is the better ERV or HRV overall, rated 2.8 to 2.2. The Pioneer ECOasis 150 leads on value and efficiency. The Pioneer ECOasis 150 costs $1,027 less ($1,088 vs $2,115).
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.
Vents Micra ERV 100 Wi-Fi
#6 in Single roomFull review
A filtered, app controlled wall ventilator for a bedroom or studio where ducts aren’t an option. It costs far more per cfm than reversing pairs.
Amazon $2,115$2,115
Which should you buy?
- Choose the Pioneer ECOasis 150 for value ($12.36 per cfm ($1,088, 88 cfm) vs $35.85 per cfm ($2,115, 59 cfm)) and efficiency (2 cfm per watt (88 cfm, 43.8 W) vs 1.1 cfm per watt (59 cfm, 53 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every single room ERV or HRV; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pioneer ECOasis 150 | Vents Micra ERV 100 Wi-Fi |
|---|---|---|
| Overall rating | 2.8/5 | 2.2/5 |
| Heat recovery 25% | 50 recovery efficiency not published (neutral score used) | 50 recovery efficiency not published (neutral score used) |
| Efficiency 15% | 34 2 cfm per watt (88 cfm, 43.8 W) | 5 1.1 cfm per watt (59 cfm, 53 W) |
| Value 25% | 62 $12.36 per cfm ($1,088, 88 cfm) | 6 $35.85 per cfm ($2,115, 59 cfm) |
| Quiet 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Pioneer ECOasis 150 | Vents Micra ERV 100 Wi-Fi | |
|---|---|---|
| Performance | ||
| Core | ERV (heat and moisture) | ERV (heat and moisture) |
| Install | Ductless, single room | Ductless, single room |
| Airflow | 88 cfm | 59 cfm |
| Power draw | 43.8 W | 53 W |
| Build | ||
| Frost protection | - | Yes |
| Filter | - | MERV 14 |
| HVI certified | No | No |