Centric Air 2.7
An efficient ducted fan with a 15-year motor warranty for a small home or one floor.
Amazon $1,249$1,249
The Centric Air 2.7 rates 3.9 among up to 3,000 CFM whole house fans; the Centric Air QA-Deluxe 4800 ECM rates 3.7 among 3,001 to 5,000 CFM ones. The Centric Air QA-Deluxe 4800 ECM costs $52 less ($1,197 vs $1,249).
Centric Air QA-Deluxe 4800 ECM
A low-cost ducted fan with an R-5 damper for a typical home; the ECM motor and three speeds cut running costs.
Amazon $1,299 Centric Air $1,197$1,197
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.
Scores side by side
These two sit in different size classes (up to 3,000 CFM and 3,001 to 5,000 CFM), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Centric Air 2.7 | Centric Air QA-Deluxe 4800 ECM |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 30% | 47 $461.06 per 1,000 CFM ($1,249, 2,709 CFM) | 63 $373.01 per 1,000 CFM ($1,197, 3,209 CFM) |
| Efficiency 20% | 73 9.4 CFM per watt | 25 6.5 CFM per watt |
| Noise 15% | 70 49 dBA at high speed | 63 51 dBA at high speed |
| Damper 10% | 33 R-5 insulated damper | 33 R-5 insulated damper |
| Warranty 25% | 100 15-year warranty on the motor | 100 10-year warranty on the motor |
Specifications
| Centric Air 2.7 | Centric Air QA-Deluxe 4800 ECM | |
|---|---|---|
| Airflow | ||
| Airflow, high speed | 2,709 CFM | 3,209 CFM |
| Power, high speed | 288 W | 491 W |
| Efficiency | 9.4 CFM/W | 6.5 CFM/W |
| Speeds | 2 | 3 |
| Noise | 49 dBA | 51 dBA |
| Install | ||
| Mount | Ducted | Ducted |
| Damper | R-5 insulated | R-5 insulated |
| Ceiling opening | 14 x 24 in | 14 x 28 in |
| Attic vent area needed | 3.2 sq ft | 4.5 sq ft |
| Voltage | 120 V | 120 V |
| Remote or wall control | Yes | Yes |
| Warranty | ||
| Warranty | 15 years | 10 years |