The Carrier Domestic Hot Water Air-to-Water Heat Pump system delivers efficient, year-round comfort for a wide range of applications. Designed as a complete solution with an indoor unit, outdoor unit, buffer tank, and domestic hot water tank, this heat pump simplifies installation for both new and retrofit projects. Ideal for forced-air heating and cooling, radiant systems, driveway heating, or mixed applications, this versatile system adapts easily to various heating and cooling strategies. The 33NM3 model installs without the need for additional hydronic components and is designed for reliable performance with low maintenance requirements. It can be paired with a furnace or boiler using the “dual fuel switch” and includes integrated auxiliary electric heat within the indoor unit. Many local utility providers offer incentives for homeowners installing energy-efficient heating and cooling products. Explore our rebates page to see if you’re eligible for rebates on the 33NM3 in your area.