 
AAON already meets federal government minimum EER regulations for 2023 because we offer several compressor types for High Efficiency Packaged
Rooftop Units.
Compressor Technologies:
- On/Off Scroll
- Lowest cost
- Lowest IEER
- Simple Controls
- Variable Capacity Scroll
- Second highest EER
- High IEER
- 10-100% modulation
- Best compressor for split systems
- Complex controls
- Variable Speed Scroll
- Lowest EER
- Highest IEER
- Precise modulation with electronics TXV
- Sophisticated controls
- (2) Two-Stage Scroll
- Highest EER
- Second highest IEER
- 5 steps of modulation
- Simple controls
- Turbocor® Magnetic Bearing Centrifugal
Best value -
(2) Two-Stage Scroll - great short and long-term benefits with high IEER and simple controls.
AAON's two-stage scroll compressors provide both the simplicity of the staged
capacity control as well as the high part load efficiencies of variable capacity compressor systems.
This option will offer a streamlined, efficient and compliant system for years to come.
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