You’ll want to find a manufacture date. This is typically situated on a label on the surface of your equipment.
If your system is under five years old, it may still be under warranty. However, warranty terms and conditions vary between manufacturer and installing company.
At Service Experts Heating & Air Conditioning, we can confirm your warranty status via a system inspection. We also offer HVAC service memberships in Memphis for residential heating and cooling equipment, regardless of unit age or manufacturer warranty status.