688ES
Broan-Nutone · Ventilating Fan
ENERGY STAR CertifiedVentilating Fans →
Airflow
50CFM
Efficacy
3CFM/W
Sound Level
2sones
Type
Bathroom/Utility Room
Low efficacy
Broan-Nutone 688ES: efficacy 3 CFM/W, lower than 98% of ventilating fans (category median 4.7 CFM/W).
Efficacy: worse than 86% of the 72 comparable models within 10% of this size. Their median is 3.7 CFM/W.
Where this model sits
Airflow50CFM
50median 110750
Efficacy3CFM/W
2.9median 4.716.7
Lower than 98% of ventilating fans.
The Broan-Nutone 688ES is a 50 CFM ventilating fan. At 3 CFM/W it ranks in the bottom 1% of the 1,010 certified ventilating fans models. Among similar-sized ventilating fans (within 10% of its size), it is less efficient than the peer median of 3.7 CFM/W.
Specifications
| Performance | |
|---|---|
| Airflow | 50CFM |
| Efficacy | 3CFM/W |
| Sound Level | 2sones |
| Number of Speeds | 1 |
| Installation | |
| Unit Type | Bathroom/Utility Room |
| Duct Size | 3.00 inch diameter |
| Airflow at 0.25 in w.g. | 36.5CFM |
| Sound at 0.25 in w.g. | 0sones |
All 17 specifications
| Lighting | |
|---|---|
| Includes Lighting | No |
| Ships with ENERGY STAR Lamp | No |
| Identifiers | |
| Model Number | 688ES |
| UPC | 026715275571 |
| ENERGY STAR ID | ES_1016667_688ES_05092025000000_1008415 |
| Partner | Broan-NuTone LLC |
| Date Qualified | 2025-05-09 |
| Available From | 2025-05-09 |
| Markets | United States, Canada |
Documentation
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