Single-stage and two-stage heat pumps differ in their operation and offer distinct benefits::
Single-stage heat pumps operate at a single capacity level. They either are on or off, which can lead to temperature fluctuations and higher energy bills.
Two-stage heat pumps can operate at two capacity levels – low and high. The lower setting provides consistent heating or cooling for most days, while the higher setting activates for colder or hotter weather, ensuring optimal comfort in extreme climates. Two-stage heat pumps tend to be more energy-efficient and offer better temperature control improving home comfort.