You’ll want to check for a production date. This is usually located on a label on the surface of your equipment.
If your system is less than five years old, it might still be warrantied. At the same time, warranty terms and conditions differ manufacturer and installing company.
At Church Services, we can check your warranty standing via a system inspection. We also offer HVAC service memberships in Houston for residential heating and air conditioning equipment, regardless of system age or manufacturer warranty standing.