Final answer:
Copper is not compatible with HFO refrigerants due to potential reactions that cause corrosion and system failure. Unlike copper, materials like aluminum, steel, and plastics are generally compatible with HFO refrigerants and don't compromise system integrity.
Step-by-step explanation:
The material that is NOT compatible with any HFO (hydrofluoroolefin) refrigerant is copper. HFO refrigerants are known for their low environmental impact relative to older refrigerants, like chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). However, they can react with copper, causing corrosion and potential system failure.
Materials like aluminum, steel, and certain types of plastics are generally compatible with HFO refrigerants. These materials do not react chemically in a manner that would compromise the integrity of the refrigeration system. It is crucial for those in the field of HVAC (Heating, Ventilation, and Air Conditioning) to be aware of the compatibility of materials with the refrigerants they use to ensure the longevity and safety of the systems they install or repair.