HVAC Unit Serial Numbers: How to Tell the Age of Your System in Sun City, AZ
Understanding your HVAC unit is essential for maintaining comfort in Sun City, AZ. One often-overlooked detail is the HVAC unit age. Surprisingly, the serial number on the HVAC unit contains this vital information. Knowing how to decode it helps homeowners plan replacements, schedule maintenance, and even increase resale value. What Is an HVAC Unit Serial […]