You’ll want to check for a manufacture date. This is usually located on a label on the surface of your unit.
If your system is under five years old, it might still be warrantied. Having said that, warranty terms and conditions vary by manufacturer and installing company.
At Comfortech Service Experts , we can confirm your warranty standing with a system inspection. We also have HVAC service memberships in Jackson for residential heating and air conditioning units, regardless of system age or manufacturer warranty standing.