Federal rules that took effect in 2025 quietly rewired how new home air conditioners and heat pumps are built, yet many ...

When working on a refrigeration system, technicians may occasionally come across one where the type of refrigerant is unknown. Either the system’s data plate is missing or unreadable, or the ...

When a contractor pitches “older refrigerant” air conditioning or refrigeration equipment, the sales pitch often leans on ...

Refrigeration and air conditioning compressors are vapor compressors, meaning they are designed to compress refrigerant vapor, not liquid refrigerant. Liquids cannot be compressed, which is why liquid ...