The definition of a FPB HVAC is a type of heating, ventilation, and air conditioning system that is designed to provide superior comfort and energy efficiency. This type of system utilizes a heat pump to transfer heat from one area to another, while also using a fan to move air throughout the space. The fan pulls in outside air, heats it up, and then distributes it throughout the space. This type of system is ideal for homes and businesses that want to reduce their energy costs while still maintaining a comfortable environment. It is also great for those who want to reduce their carbon footprint, as the heat pump is much more efficient than traditional heating and cooling systems. Additionally, the fan helps to reduce the amount of noise that is produced, making it ideal for those who are looking for a quieter environment.