Your HVAC system needs to be charged at a certain level that's required by the manufacturer; not too high or too low. Depending on the state of compression, refrigerants can be hot or cold, making it possible for your AC or heat pump to generate hot or cold air. Overcharged Signs Overcharging happens when too much refrigerant is added. When this happens, it's like giving your HVAC system elevated blood pressure. The excess refrigerant collects inside the compressor which lead