You’ll want to look for the date it was made. This is typically situated on a label on the exterior of your equipment.
If your system is under five years old, it may still be protected by a warranty. At the same time, warranty terms and conditions vary between manufacturer and installing company.
At Midway Services, we can confirm your warranty state via a system inspection. We also offer HVAC service memberships in Clearwater for residential heating and cooling equipment, regardless of system age or manufacturer warranty validity.