QuietCool Energy Saver ES-6000 RF
The efficient version of QuietCool’s ducted fan for a typical home, with a very low-power low speed for running all night.
Amazon $1,599$1,599
3.9/5
A low-cost ducted fan with an R-5 damper for a typical home, if you accept higher power use than ECM models.
- 4,478 CFMAirflow
- 771 WPower
- 51 dBANoise
- R-5 insulatedDamper
Check price at Amazon$1,178Check price at Centric Air$1,149
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Ducted design keeps the motor away from the ceiling for quieter running
- R-5 insulated damper standard, R-13 available
- Remote or wall control included
Cons
- Older PSC motor draws 771 W on high, more than ECM fans of similar airflow
- 10-year motor warranty, shorter than Centric Air’s ECM 2.7 to 4.0 line
The Centric Air QA-Deluxe family
Every Centric Air QA-Deluxe model we rank, smallest first. Ratings compare each against its own size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| Centric Air QA-Deluxe 3300 | 2,425 CFM | 3.6/5 | $849 |
| Centric Air QA-Deluxe 4800 ECM | 3,209 CFM | 3.7/5 | $1,197 |
| Centric Air QA-Deluxe 5500 | 3,945 CFM | 3.8/5 | $1,049 |
| Centric Air QA-Deluxe 6500 (this one) | 4,478 CFM | 3.9/5 | $1,149 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | QA-Deluxe 6500 |
|---|---|
| Airflow | |
| Airflow, high speed | 4,478 CFM |
| Power, high speed | 771 W |
| Efficiency | 5.8 CFM/W |
| Speeds | 2 |
| Noise | 51 dBA |
| Install | |
| Mount | Ducted |
| Damper | R-5 insulated |
| Ceiling opening | 14 x 28 in |
| Attic vent area needed | 5.5 sq ft |
| Voltage | 120 V |
| Remote or wall control | Yes |
| Warranty | |
| Warranty | 10 years |
Alternatives in this size
Centric Air QA-Deluxe 5500
A low-cost ducted fan with an R-5 damper for a typical home, if you accept higher power use than ECM models.
Amazon $1,058 Centric Air $1,049$1,049
Centric Air 3.4
An efficient ducted fan with a 15-year motor warranty for a typical home.
Amazon $1,497 Centric Air $1,449$1,449
Compare
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