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Small to Medium \ Single Blower Units
| Series | Heat/Cool | Remote Switches | Pressurization | OEM Only | Notes |
| 300-V | Cool only | Optional | |||
| 300-VR | Cool only | Yes | Optional | ||
| 301-R | Heat & Cool | Optional | |||
| 301-V | Heat & Cool | Yes | Optional | ||
| 305 | Cool only | ||||
| 310 | Cool only |
Large \ Dual Blower Units
| Series | Heat/Cool | Remote Switches | Pressurization | Fully Insulated Housing | OEM Only | Notes |
| 315-C | Cool only | No | Optional | No | ||
| 315-HC | Heat & Cool | No | Optional | No | ||
| 315-CR | Cool only | Yes | Optional | No | ||
| 315-HCR | Heat & Cool | Yes | Optional | No | ||
| 315-HCRS | Heat & Cool | Yes | Optional | No | Custom louver plenum | |
| 315-HCRT | Heat & Cool | Fan speed and H/C toggle | Optional | No | Yes | Adjustable t-stat on unit |
| 315-SB | Cool only | No | Yes | No | ||
| 330 | Heat & Cool | Yes | Optional | Yes | Yes | |
| 331-A | Heat & Cool | Yes | Optional | Yes |