You’ll want to find a manufacture date. This is frequently located on a label on the exterior of your unit.
If your equipment is less than five years old, it may still be protected by a warranty. At the same time, warranty terms and conditions differ manufacturer and installing company.
At A1 Chesney Service Experts, we can confirm your warranty status with a system inspection. We also have HVAC service memberships in Calgary for residential heating and AC units, regardless of unit age or manufacturer warranty standing.