Ductlessaire Heat Pump Manuals
Select your Ductlessaire model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate on the side of the outdoor unit.
Ductlessaire heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| 454-09-O-DA454 Series | 9,000 Btu/h ductless mini-split heat pump | November 2025 |
| 454-12-O-DA454 Series | 12,000 Btu/h ductless mini-split heat pump | April 2025 |
| 454-18-O-DA454 Series | 18,000 Btu/h ductless mini-split heat pump | April 2025 |
| 454-24-O-DA454 Series | 24,000 Btu/h ductless mini-split heat pump | April 2025 |
| 454-24-O-PS454 Series | 24,000 Btu/h ductless mini-split heat pump | April 2025 |
| 454-28-4Z-O454 Series | 26,000 Btu/h ductless mini-split heat pump | May 2026 |
| 454-36-5Z-O454 Series | 35,000 Btu/h ductless mini-split heat pump | May 2026 |
| 454-48-6Z-O454 Series | 45,000 Btu/h ductless mini-split heat pump | May 2026 |
| 454-9-O-DA454 Series | 9,000 Btu/h ductless mini-split heat pump | April 2025 |
| DA0921-H2-ODA series | 9,000 Btu/h ductless mini-split heat pump | April 2026 |
| DA1221-H2-ODA series | 12,000 Btu/h ductless mini-split heat pump | April 2026 |
| DA1821-H2-ODA series | 18,000 Btu/h ductless mini-split heat pump | April 2026 |
| DA27-4Z-ODA Series | 26,000 Btu/h ductless mini-split heat pump | May 2026 |