QuietCool Classic CL-5400 RF
A ducted Classic fan with a 10-year warranty for a typical home. It costs less up front than the Energy Saver but draws more power.
Amazon $1,209$1,209
3.7/5
A ducted EC fan for homes of 2,000 to 3,200 sq ft at a low price from Solatube’s own store; the 5-year motor warranty is the trade-off.
- 3,532 CFMAirflow
- 383 WPower
- R-6 insulatedDamper
Check price at Amazon$985Check price at Solatube$885
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Efficient: about 9.2 CFM per watt at full speed
- EC motor with seven speeds gives quiet, low-power settings
- R6 insulated damper doors
- Remote included
Cons
- 5-year motor warranty, shorter than QuietCool or Centric Air
- No published dBA rating or rough opening size
The Solatube EPS family
Every Solatube EPS model we rank, smallest first. Ratings compare each against its own size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| Solatube EPS Zone | 1,157 CFM | 2.9/5 | $595 |
| Solatube EPS Plus | 2,288 CFM | 3.1/5 | $790 |
| Solatube EPS Ultra (this one) | 3,532 CFM | 3.7/5 | $885 |
| Solatube EPS Extreme | 4,267 CFM | 3.5/5 | $1,030 |
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 | EPS Ultra |
|---|---|
| Airflow | |
| Airflow, high speed | 3,532 CFM |
| Power, high speed | 383 W |
| Efficiency | 9.2 CFM/W |
| Speeds | 7 |
| Install | |
| Mount | Ducted |
| Damper | R-6 insulated |
| Attic vent area needed | 6 sq ft |
| Voltage | 120 V |
| Remote or wall control | Yes |
| Warranty | |
| Warranty | 5 years |
| Released | 2023-06 |
Alternatives in this size
QuietCool Energy Saver ES-5400 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 $1,499$1,499
QuietCool Classic CL-4700 RF
A ducted Classic fan with a 10-year warranty for a typical home. It costs less up front than the Energy Saver but draws more power.
Amazon $1,109$1,109
Compare
Compare the Solatube EPS Ultra with any other whole house fan →
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