| ENERGY STAR Partner |
| Broan-NuTone LLC |
Broan-NuTone LLC |
| Brand Name |
| Broan |
Broan |
| Model Name |
| Ultra |
FLEX |
| Model Number |
| XB50 |
AE80B = AE000HFNF with AE80BF1 |
| UPC |
| 26,715,201,198 |
26715236008 |
| Type |
| Bathroom/Utility Room |
Bathroom/Utility Room |
| Number of Speeds |
| 1 |
1 |
| Duct Size |
| 4 inch diameter |
4.00 inch diameter |
| Sound Level (sones) |
| 0 |
0.7 |
| Bathroom and Utility Room Airflow at 0.25 in. w.g. |
| 50 |
60.5 |
| Shipped with ENERGY STAR Lamp(s) |
| No |
No |
| Lighting |
| No |
No |
| Airflow 1 (cfm) |
| 50 |
80 |
| Efficacy 1 (cfm/Watt) |
| 10 |
3.3 |
| Date Available On Market |
| March 15, 2012 |
June 8, 2023 |
| Date Qualified |
| October 1, 2015 |
June 23, 2023 |
| Markets |
| United States |
United States, Canada |
| CB Model Identifier |
| ES_1016667_XB50-4"-Duct_10012015000000_1003473 |
ES_1016667_AE80B = AE000HFNF with AE80BF1_06232023000000_1007587 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Product Program Category |
| Ventilating Fans |
Ventilating Fans |
| Product Category |
| Ventilating Fans |
Ventilating Fans |
| Date Certified |
| October 1, 2015 |
June 23, 2023 |
