Heating and cooling equipment works best when airflow is balanced, filters are clean and the system is serviced before peak season. If an AC runs but does not cool well, common causes include dirty coils, low airflow, clogged filters, drain line problems or refrigerant related faults that require proper diagnosis. Horizon Heating & Air Conditioning provides furnace repair in Hendersonville and supports local homeowners with hvac service, ac repair, ductless ac installation and custom ductwork solutions that match the needs of the property. When ductwork is a factor, we look for restrictions, loose connections and poor return airflow that can make the system work harder than it should. Ductless ac installation can add flexible zoning and steady comfort without major duct modifications, and it can work well alongside existing heating and cooling equipment. With better airflow and sealed connections, the HVAC system can operate with less strain and more predictable temperatures. Horizon Heating & Air Conditioning focuses on clear communication, practical recommendations and HVAC solutions that fit the home and budget.