Manuals
- Lennox GCS16 Commercial Units - 6 through 20 tons
- Lennox KGA Commercial Units - 2 through 25 tons
- Lennox Lennox LGA & LCA Series Commercial Units
- Lennox LGH & LCH Commercial Units - 35 through 50 tons
- Lennox 10GCS and 12GCS
- Lennox 13GCSX
- Lennox 15GCSX
- Lennox GCS26
- Lennox SG 3 through 24 ton
- Lennox 2SG13
- Lennox LGH 3 through 6 ton
- Lennox TG & KG 2 through 6 tons
