The size of your equipment is determined by the “load” of your house which is determined with a load calculation. When replacing their system, many people want to simply use the same size as their previous system. However, this is not the most efficient way to select a new unit. You can start planning your new system by completing our self-service tool or contacting us. One of our highly skilled technicians will confirm the specifications to ensure the right system is installed for your unique situation.