Great question — regular HVAC tune-ups actually make a big difference in both efficiency and preventing breakdowns. Dust buildup, worn parts, or a faulty thermostat can cause your system to underperform just when you need it most. It’s definitely not just upselling. Teams like Excellence HVAC & appliance repair provide AC repair Pflugerville and seasonal maintenance that’s worth every penny. Their inspections catch problems early, reduce energy waste, and help systems last longer. Especially before peak heat or cold hits, having a technician check everything keeps your home comfortable and your energy bill in check.