A simple maintenance routine can make comfort more consistent throughout the year. If you notice weak airflow, uneven temperatures or longer run times, start with filter replacement and check that vents are open and unobstructed. Short cycling, loud buzzing, clicking sounds or ice on the lines can also point to an issue that needs inspection. A professional HVAC visit typically includes checking refrigerant charge, measuring temperature split, inspecting coils, testing electrical components and confirming safe operation. Routine tune-ups are useful even when the system seems fine. Cleaning the outdoor unit, checking drainage, tightening electrical connections and confirming thermostat settings can help prevent mid-season failures. When a system is older and needs frequent repairs, replacement may be worth considering. Newer equipment can improve efficiency and comfort, and options like heat pumps or ductless systems can fit certain homes better. Tuck & Howell HVAC & Howell Plumbing, Heating & Air supports homeowners with HVAC maintenance, AC repair and system planning, plus related home service needs.