You’ll want to look for the date it was made. This is frequently located on a label on the exterior of your equipment.
If your unit is under five years old, it may still be warrantied. At the same time, 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 in Alliance for residential heating and cooling units, regardless of unit age or manufacturer warranty validity.