Centric Air QA-Deluxe 3300
A low-cost ducted fan with an R-5 damper for a small home, if you accept higher power use than ECM models.
Amazon $899 Centric Air $849$849
The Centric Air QA-Deluxe 3300 is the better whole house fan overall, rated 3.6 to 3.1. The Centric Air QA-Deluxe 3300 leads on warranty. The Solatube EPS Plus costs $59 less ($790 vs $849).
Solatube EPS Plus
A ducted EC fan for homes of 1,000 to 2,200 sq ft at a low price from Solatube’s own store; the 5-year motor warranty is the trade-off.
Amazon $890 Solatube $790$790
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 Centric Air QA-Deluxe 3300 for warranty (10-year warranty on the motor vs 5-year warranty on the motor).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 3,000 CFM whole house fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | Centric Air QA-Deluxe 3300 | Solatube EPS Plus |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 30% | 67 $350.10 per 1,000 CFM ($849, 2,425 CFM) | 68 $345.28 per 1,000 CFM ($790, 2,288 CFM) |
| Efficiency 20% | 13 5.8 CFM per watt | 20 6.2 CFM per watt |
| Noise 15% | 63 51 dBA at high speed | 50 noise rating not published (neutral score used) |
| Damper 10% | 33 R-5 insulated damper | 40 R-6 insulated damper |
| Warranty 25% | 100 10-year warranty on the motor | 44 5-year warranty on the motor |
Specifications
| Centric Air QA-Deluxe 3300 | Solatube EPS Plus | |
|---|---|---|
| Airflow | ||
| Airflow, high speed | 2,425 CFM | 2,288 CFM |
| Power, high speed | 417 W | 369 W |
| Efficiency | 5.8 CFM/W | 6.2 CFM/W |
| Speeds | 2 | 7 |
| Noise | 51 dBA | - |
| Install | ||
| Mount | Ducted | Ducted |
| Damper | R-5 insulated | R-6 insulated |
| Ceiling opening | 14 x 20 in | - |
| Attic vent area needed | 2.5 sq ft | 4 sq ft |
| Voltage | 120 V | 120 V |
| Remote or wall control | Yes | Yes |
| Warranty | ||
| Warranty | 10 years | 5 years |
| Released | - | 2023-06 |