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AC 4 Life - FAQ's - HVAC - INSTALLATION QUESTIONS
Do your refrigerant line sets come precharged?
This page is designed to provide anyone looking for a new HVAC system with a better understanding of frequently asked questions about the selection, AC and furnace sizing and other important considerations in making the best choices for your home or office.
This information guide offers the following categories of information pertaining to proper AC and heating system sizing as well as important guides to ensure you make informed decisions:
Most linesets today are sealed at each end to prevent the introduction of moisture. "Precharging" refers to a nitrogen charge not a freon charge, so either way refrigerant is required to fill the total volume of the piping. Nitrogen charges are no longer commonly used in linesets.