# Panasonic WhisperCeiling DC FV-0511VQ1 vs Delta Breez GreenBuilder GBR80: specs and price compared

A sourced, side-by-side comparison of the Panasonic WhisperCeiling DC FV-0511VQ1 (Panasonic) and Delta Breez GreenBuilder GBR80 (Delta Electronics) among bathroom exhaust fans. Delta Breez GreenBuilder GBR80 is the cheaper of the two at $103.9.

## Side by side

| Spec | Panasonic WhisperCeiling DC FV-0511VQ1 | Delta Breez GreenBuilder GBR80 |
| --- | --- | --- |
| US price | $167.99 | $103.9 |
| Brand | Panasonic | Delta Electronics |
| Airflow (CFM) | 110 | 80 |
| Noise sones | 0.3 | 0.8 |
| Max coverage area (sq ft) | 110 | — |
| Duct diameter (in) | 6 | 4 |
| Energy star certified | Yes | Yes |
| Motor type | DC | DC |
| Wattage (W) | 10.6 | 10.5 |
| Efficacy cfm per watt | 10.6 | 7.6 |
| Humidity sensor | No | No |
| Integrated light | No | No |
| Warranty years | 3 | 3 |
| Mount type | ceiling | ceiling-wall |

## Key differences

- Airflow (CFM): Panasonic WhisperCeiling DC FV-0511VQ1 110 vs Delta Breez GreenBuilder GBR80 80
- Noise sones: Panasonic WhisperCeiling DC FV-0511VQ1 0.3 vs Delta Breez GreenBuilder GBR80 0.8
- Duct diameter (in): Panasonic WhisperCeiling DC FV-0511VQ1 6 vs Delta Breez GreenBuilder GBR80 4
- Wattage (W): Panasonic WhisperCeiling DC FV-0511VQ1 10.6 vs Delta Breez GreenBuilder GBR80 10.5
- Efficacy cfm per watt: Panasonic WhisperCeiling DC FV-0511VQ1 10.6 vs Delta Breez GreenBuilder GBR80 7.6
- Mount type: Panasonic WhisperCeiling DC FV-0511VQ1 ceiling vs Delta Breez GreenBuilder GBR80 ceiling-wall

## Sources

- Panasonic WhisperCeiling DC FV-0511VQ1: https://iaq.na.panasonic.com/ventilation/fans/whisperceiling-dc-smartflow-50-80-110-cfm (iaq.na.panasonic.com, verified 2026-07-13)
- Delta Breez GreenBuilder GBR80: https://www.deltabreez.com/GBR80.php (deltabreez.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/bathroom-exhaust-fans/panasonic-whisperceiling-dc-fv-0511vq1-vs-delta-breez-greenbuilder-gbr80/
Cite: Per The Front Desk Review, Panasonic WhisperCeiling DC FV-0511VQ1 ($167.99) vs Delta Breez GreenBuilder GBR80 ($103.9) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/bathroom-exhaust-fans/panasonic-whisperceiling-dc-fv-0511vq1-vs-delta-breez-greenbuilder-gbr80/
License: CC BY 4.0.