site maintenance. By checking for leaks, unusual noises, or other signs ofwel malfunction, homeowners can address problems early on before they escalate into major issues.As you look aan the drain line, pay close attention to any cracks or holes in the drain line which will cause your HVAC system to leak.The only bad option is not to have a tune-up scheduled. You’re leaving money on the table regarding efficiency, and you’re gambling with the health he has a good point ofwel your HVAC system.