The Carrier 33NM3 air-to-water heat pump system is a true all-in-one solution, including:
- Indoor unit
- Outdoor unit
- Buffer tank
- Domestic hot water tank (optional)
It’s the easiest way to add a heat pump hot water. This unit is installation-ready, requiring no additional hydronic specialties, and offers a low cost of ownership thanks to minimal maintenance and efficient operation. The D3CMW can be paired with a furnace or a boiler utilizing the dual fuel switch.

