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
3.9/5
A ducted Classic fan with a 10-year warranty for a small home or one zone. It costs less up front than the Energy Saver but draws more power.
- 1,100 CFMAirflow
- 117 WPower
- 37.4 dBANoise
- R-5 insulatedDamper
Check price at Amazon$639
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Ducted motor sits away from the ceiling, so it runs quieter than a fan in the opening
- R5 dampers seal the ceiling opening in winter
- 10-year warranty
- Wireless remote and wall control included
Cons
- Uses more power per CFM than the matching Energy Saver model
- Certified airflow (1,100 CFM) is well under the 1,472 CFM in the product name
- Single speed only
The QuietCool Classic RF family
Every QuietCool Classic RF model we rank, smallest first. Ratings compare each against its own size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| QuietCool Classic CL-1500 RF (this one) | 1,100 CFM | 3.9/5 | $639 |
| QuietCool Classic CL-2250 RF | 1,770 CFM | 3.7/5 | $849 |
| QuietCool Classic CL-3100 RF | 2,380 CFM | 3.8/5 | $949 |
| QuietCool Classic CL-4700 RF | 3,230 CFM | 3.7/5 | $1,109 |
| QuietCool Classic CL-5400 RF | 3,950 CFM | 3.8/5 | $1,209 |
| QuietCool Classic CL-7000 RF | 5,300 CFM | 3.7/5 | $1,449 |
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 | QC CL-1500 RF |
|---|---|
| Airflow | |
| Airflow, high speed | 1,100 CFM |
| Power, high speed | 117 W |
| Efficiency | 9.4 CFM/W |
| Speeds | 1 |
| Noise | 37.4 dBA |
| Install | |
| Mount | Ducted |
| Damper | R-5 insulated |
| Ceiling opening | 14.25 x 14.25 in |
| Attic vent area needed | 2 sq ft |
| Voltage | 120 V |
| Remote or wall control | Yes |
| App or remote monitoring | No |
| Warranty | |
| Warranty | 10 years |
Alternatives in this size
QuietCool Classic CL-3100 RF
A ducted Classic fan with a 10-year warranty for a small home or one zone. It costs less up front than the Energy Saver but draws more power.
Amazon $949$949
QuietCool Energy Saver ES-3100 RF
The efficient version of QuietCool’s ducted fan for a small home or one zone, with a very low-power low speed for running all night.
Amazon $1,199$1,199
Compare
Compare the QuietCool Classic CL-1500 RF with any other whole house fan →
More from QuietCool: every QuietCool product ranked.