Is heat pump a HVAC system?

Yes, a heat pump is a type of HVAC system. Heat pumps are used to transfer heat from one place to another, and they can be used to both heat and cool a space. Heat pumps work by transferring heat from the outside air, ground, or water source into the home. They are an efficient and cost-effective way to heat and cool a home, as they use less energy than traditional HVAC systems.