| Factory Installed Option | Field Installed Accessory |
| Intelligent ComfortLink™ controls | Y | |
| Electro-mechanical controls | Y | |
| Humidi-MiZer™ adaptive dehumidification system | Y | |
| Economizer with single enthalpy sensor | Y | Y |
| Differential enthalpy sensor | | Y |
| Economizer with dry bulb sensor | Y | |
| Differential dry bulb sensor | | Y |
| Line-side powered 115-volt GFI convenience outlet | Y | |
| Non-powered 115-volt GFI convenience outlet | Y | |
| HACR breaker | Y | |
| Non-fused disconnect switch | Y | |
| Manual outdoor air damper | Y | Y |
| Two-position motorized outdoor air damper | Y | Y |
| Barometric relief damper | Y | Y |
| Power exhaust | Y | Y |
| Condenser coil hail guard grille | Y | Y |
| MERV-8 pleated return air filters* | Y | |
| 4-in. filter capabilities (sizes 20-28) | Y | |
| CO2 Sensor | Y | Y |
| Return air smoke detector | Y | Y |
| Return and supply air smoke detectors | Y | Y |
| Fan and plugged filter switches | Y | Y |
| Horizontal duct configuration | Y | Y |
| Fan performance motor/drive | | |
| Low | Y | |
| Mid-low | Y | |
| Mid-high | Y | |
| High | Y | |
| Phase loss protection | Y | Y |
| Pre-coated aluminum fin/copper tube coil | Y | |
| Copper fin/copper tube coil | Y | |
| E-coated aluminum fin/copper tube coil | Y | |
| E-coated copper fin/copper tube coil | Y | |
| Stainless steel heat exchanger | Y | |
| Low NOx gas models (2-5 ton only) | Y | |
| 14-in. full perimeter roof curb | | Y |
| 24-in. full perimeter roof curb | | Y |
| Roof curb burglar bars | | Y |
| Adapter curbs (sizes 03-16) | | Y |
| Liquefied propane (LP) gas conversion kit | | Y |
| High altitude gas kit | | Y |
| Flue gas discharge deflector (sizes 03-14) | | Y |
| Thru-the-curb gas connection kit (sizes 03-16) | | Y |
| Thru-the-bottom gas connection kit (sizes 03-16) | | Y |
| Thermostats and subbases | | Y |
| Electronic programmable thermostats | | Y |
A Member of The United Technologies Corporation Family