| Obsolete model | Description | Suggested Replacement |
|---|---|---|
| BHW | Belt drive air handler (hydronic) | |
| Belt drive air handler (DX) | Belt drive air handler (DX) | No Replacement Available |
| CAQ | Cased celing fan coil (DX/hot water, with pump) | |
| CCW | Upflow with front R/A (hydronic) | |
| CDXQ-E | Cased (-E) ceiling fan coil (DX/hot water,with pump) | |
| CDX-HW-E | Cased (-E) ceiling fan coil (DX/hot water | |
| CHW-CVW | Belt drive air handler (hydronic) | |
| CHX-CVX | Belt drive air handler (DX) | No Replacement Available |
| DX*** | Uncased ceiling fan coil (DX with electric heat) | |
| EBF | Electric heat air handler with opt. cased coil | No Replacement Available |
| FC**** | Uncased ceiling fan coil (hydronic) | |
| HAQ | Cased ceiling fan coil (hot water with pump) | No Replacement Available |
| HBC-HW (-E) | Uncased or cased (-E) ceiling fan coil (DX/hot water) | |
| HBC-HWQ (-E) | Uncased or cased (-E) ceiling fan coil (DX/hot water,with pump) | |
| HDX | Cased horizontal-only (DX/electric heat) | |
| HWF | Cased multi-position (hot water) | |
| HX-E | Cased ceiling fan coil (DX/electric heat) | |
| HXHP | Uncased ceiling fan coil (DX with electric heat) | |
| MAQ -MBQ | Upflow/Horiz. Air handler (DX/hot water, with pump) | |
| MAX | Upflow/Horiz. Air handler (DX/electric heat) | |
| MAX-HW | Upflow/Horiz. Air handler (DX/hot water) | |
| MBXR-HW | Upflow/Horiz. Air handler (DX/hot water) | |
| MH | Upflow/Horiz. Air handler (hydronic / 2 pipe) | |
| MHE | Upflow/Horiz. Air handler (hydronic/electric heat) | |
| MHE-HW | Upflow/Horiz. Air handler (hydronic / 4 pipe) | |
| RAQ | Upflow wall recessed or closet with front R/A (DX/Hot water heat) | |
| RCUA-HW | Cased ceiling fan coil (DX/hot water) | |
| RCU - RCUA | Cased ceiling fan coil (DX/electric heat) | |
| RCW-HP | Upflow wall recessed or closet with front R/A (DX/electric heat) | |
| RHE | Upflow wall recessed or closet with front R/A (DX/electric heat) | |
| RME | Upflow wall recessed or closet with front R/A (DX/electric heat) | |
| RME-HW | Upflow wall recessed or closet with front R/A (DX/Hot Water heat) | |
| RVT | Upflow wall recessed or closet with front R/A (DX/electric heat) | |
| SPU(X,R,A,B,C) | Vertical single package unit | |
| SPU(X,R,A,B,C)-HP | Vertical single package unit | |
| TAQ | Vertical small height DX unit with hot water heat | |
| THP | Vertical small height DX unit with electric heat | |
| TTW-HP | Thru the wall Heat Pump condenser | WMHP |
| UHX | Uncased ceiling fan coil (DX with electric heat) | |
| VAQ | Vertical Upflow Air Handler | |
| VC-HC AND MHC | Cased "A" and Slab coils (DX) | No Replacement Available |
| VDX | Upflow/Horiz. (with kit) air handler (DX/electric heat) | |
| VDX-HP | Upflow/Horiz. (with kit) air handler (DX/electric heat) | |
| VDX-HW | Upflow/Horiz. (with kit) air handler (DX/electric heat) | |
| VHE | Upflow (chilled water/electric heat) | |
| WCU-WCX | Thru the wall condensing unit | |
| XVAQ | Cased multi-position (hot water with pump) | |
| DPU / DIU | Vertical single package unit | SPXC |
| DFCH | Ductless | No Replacement Available |
| EVB | Variable Speed Air Handler HP, DX, HW | |
| LHC | Low-Profile coil / slab coil | No Replacement Available |
| USC / USV / USH | Cased evaporator coils | No Replacement Available |
| XMB | Upflow/Horiz. (with kit) air handler (DX/electric heat) |
