QuietCool Energy Saver ES-7000 RF
The efficient version of QuietCool’s ducted fan for a large or two-story home, with a very low-power low speed for running all night.
Amazon $1,799$1,799
2.7/5
A premium ducted fan for a large home in a cold or mixed climate, where the motorized R13 doors earn their cost.
- 5,527 CFMAirflow
- 932 WPower
- 68 dBANoise
- R-13 insulatedDamper
Check price at HVACQuick$2,289
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Motorized R13 Air-Lock doors seal the ceiling opening in winter
- Ten speeds; the low ones move a lot of air on very little power
- Long ducted run keeps fan noise out of the living space
- Digital wall controller with 12-hour timer included
Cons
- 3-year warranty, short for the price
- Loud on top speed (68 dBA)
- Needs 24 in on-center joists and a large ceiling opening
- Among the most expensive whole house fans
- Sold mainly through AirScape and HVACQuick, not big-box stores
The AirScape Sierra family
Every AirScape Sierra model we rank, smallest first. Ratings compare each against its own size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| AirScape Sierra 3200 | 3,307 CFM | 3.2/5 | $1,919 |
| AirScape Sierra 3400 | 3,440 CFM | 3.3/5 | $2,049 |
| AirScape Sierra 5300 (this one) | 5,527 CFM | 2.7/5 | $2,289 |
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 | 5300 WHF (Sierra) |
|---|---|
| Airflow | |
| Airflow, high speed | 5,527 CFM |
| Power, high speed | 932 W |
| Efficiency | 5.9 CFM/W |
| Speeds | 10 |
| Noise | 68 dBA |
| Install | |
| Mount | Ducted |
| Damper | R-13 insulated |
| Ceiling opening | 22.5 x 26.5 in |
| Attic vent area needed | 7.1 sq ft |
| Voltage | 120 V |
| Remote or wall control | Yes |
| Warranty | |
| Warranty | 3 years |
Alternatives in this size
QuietCool Classic CL-7000 RF
A ducted Classic fan with a 10-year warranty for a large or two-story home. It costs less up front than the Energy Saver but draws more power.
Amazon $1,449$1,449
AirScape Ventura 5300
A ten-speed ducted fan for a large home in a mild climate; the uninsulated door makes it a poor fit where winters are cold.
HVACQuick $1,799$1,799
Compare
Compare the AirScape Sierra 5300 with any other whole house fan →
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