Air conditioning chemicals, tools, and accessories are used to maintain and repair AC and refrigeration equipment for a long service life. Chemical treatments and cleaners clean coils, flush out systems, and treat condensate pans to avoid malfunction, odor, and grime buildup. Air conditioning tools are used to find leaks, check system pressure, evacuate and recover refrigerant, and restore air flow. Replacement compressors, valves, and condensate pans keep AC units in working order.