A-1 Heating and Air | Local HVAC Services in Florissant, MO

Over time, dust, pollen, and debris accumulate in your ductwork, which can restrict airflow and strain your HVAC system. This is especially important in Florissant, where systems work hard year-round. Our professional duct cleaning service removes these contaminants, helping your system run more efficiently, improving indoor air quality, and potentially lowering your energy bills.

Common signs include inconsistent water temperature, discolored or rusty water, strange noises like rumbling or popping, and visible leaks around the unit. If you're experiencing any of these issues, it's wise to call us. We can assess whether a repair will solve the problem or if a new, more efficient installation is the better long-term solution for your household.

A frozen evaporator coil is often caused by restricted airflow from a dirty air filter or low refrigerant levels, both common issues here. When this happens, your system loses cooling power and can be damaged. We'll diagnose the root cause—whether it's a simple clogged filter or a more complex refrigerant leak—and perform the necessary repair to restore efficient operation and prevent future freeze-ups.