The answer to 'how does system upgrade work' is that upgrading your HVAC system typically involves replacing your existing furnace, air conditioner, or heat pump with a newer, more energy-efficient model. This can provide several benefits, including improved comfort, better energy efficiency, and reduced utility bills.
When upgrading your HVAC system, a professional technician will first assess your home's heating and cooling needs, taking into account factors like the size of your home, the number of rooms, and your climate. They will then recommend a system that is properly sized and matched to your home's requirements. The installation process typically involves removing the old equipment, running new ductwork or refrigerant lines if necessary, and integrating the new system into your home's electrical and HVAC infrastructure.