You’ll want to find the date it was made. This is frequently found on a label on the surface of your system.
If your system is newer than five years old, it might still be warrantied. At the same time, warranty terms and conditions differ manufacturer and installing company.
At Barlow Service Experts, we can verify your warranty status via a system inspection. We also offer HVAC service memberships in the Wasatch Front region for residential heating and cooling units, regardless of unit age or manufacturer warranty validity.