Strong comfort starts with the basics: keep filters clean, clear debris around the condenser, and verify thermostat settings. If cooling is weak or the furnace struggles to keep up, hvac troubleshooting Charleston SC schedule diagnostics to check airflow, refrigerant, and safety controls. Tune ups reduce bills and extend equipment life, while smart thermostat settings improve daily comfort. For rooms that never balance, consider a ductless mini split for targeted heating and cooling. schedule service