If your home air conditioning system is malfunctioning, there are a few things you can attempt before calling for professional reseda hvac service. Here are some tips: Check the thermostat: Ensure "cool" is selected and the temperature is set to a level lower than the present room temperature. Check the air filter: By restricting airflow, a dirty air filter can reduce the effectiveness of air conditioner repair. When a filter is soiled, it must be replaced. Check the status of the breaker: Check to see if the circuit breaker has tripped if the air conditioner won't power on. If so, you must reset it. If the drain line becomes clogged, water can back up into the air conditioner and close it down. Clear the drain passage if it is clogged. If none of these solutions work, it is time to seek assistance from a professional. Find a licensed HVAC technician with experience repairing your specific brand and model of air conditioning system. They can diagnose the problem and recommend a solution. Obtain a written estimate and inquire about warranties for parts and labor before committing to any Los Angeles heating service.