# Delta Breez GreenBuilder GBR80 vs Air King AK80: specs and price compared

A sourced, side-by-side comparison of the Delta Breez GreenBuilder GBR80 (Delta Electronics) and Air King AK80 (Air King) among bathroom exhaust fans. Delta Breez GreenBuilder GBR80 is the cheaper of the two at $103.9.

## Side by side

| Spec | Delta Breez GreenBuilder GBR80 | Air King AK80 |
| --- | --- | --- |
| US price | $103.9 | $115.86 |
| Brand | Delta Electronics | Air King |
| Airflow (CFM) | 80 | 80 |
| Noise sones | 0.8 | 1.5 |
| Max coverage area (sq ft) | — | 100 |
| Duct diameter (in) | 4 | 4 |
| Energy star certified | Yes | Yes |
| Motor type | DC | — |
| Wattage (W) | 10.5 | 27.6 |
| Efficacy cfm per watt | 7.6 | — |
| Humidity sensor | No | No |
| Integrated light | No | No |
| Warranty years | 3 | 5 |
| Mount type | ceiling-wall | ceiling |

## Key differences

- Noise sones: Delta Breez GreenBuilder GBR80 0.8 vs Air King AK80 1.5
- Wattage (W): Delta Breez GreenBuilder GBR80 10.5 vs Air King AK80 27.6
- Warranty years: Delta Breez GreenBuilder GBR80 3 vs Air King AK80 5
- Mount type: Delta Breez GreenBuilder GBR80 ceiling-wall vs Air King AK80 ceiling

## Sources

- Delta Breez GreenBuilder GBR80: https://www.deltabreez.com/GBR80.php (deltabreez.com, verified 2026-07-13)
- Air King AK80: https://www.airkinglimited.com/product/energy-star-exhaust-fans/ (airkinglimited.com, verified 2026-07-13)

Canonical: https://frontdeskreview.com/gear/bathroom-exhaust-fans/delta-breez-greenbuilder-gbr80-vs-air-king-ak80/
Cite: Per The Front Desk Review, Delta Breez GreenBuilder GBR80 ($103.9) vs Air King AK80 ($115.86) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/bathroom-exhaust-fans/delta-breez-greenbuilder-gbr80-vs-air-king-ak80/
License: CC BY 4.0.