You’ll want to find a manufacture date. This is usually situated on a label on the outside of your system.
If your unit is newer than five years old, it may still be under warranty. At the same time, warranty terms and conditions vary by manufacturer and installing company.
At Service Experts Heating & Air Conditioning, we can confirm your warranty status through a system inspection. We also have HVAC service memberships in Ravenna for residential heating and cooling systems, regardless of system age or manufacturer warranty status.