ATLANTA AIR CONDITIONING & HEATING CONTRACTORS

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Things to consider before calling the experts

Often, the seemingly worst problems have incredibly simple solutions.  Before calling in a contractor, make sure that the problem is not one you can fix yourself.  Following are quick fixes for simple problems, and some advice for more complex problems.  

Entire system does not run. A lack of electric power is a common cause of system failure for a heat pump, an air conditioning unit, or even a gas furnace system.  Before calling the experts, reset all circuit breakers and check all fuses in the main electrical panel to ensure the system has power.

Water leaks onto the floor around an inside unit. Air conditioning units and heat pumps operating in the air conditioning mode condense moisture from the air onto the inside coil.  The system is designed to collect the water in a pan and transfer it out of the house through a drainage tube; a dirty pan or a blocked drainage tube can cause water to overflow onto the floor.  Removing the dirt or clog may fix the problem.  See your owner's manual for specific instructions and safety precautions.

Airflow leaving individual room vents seems weak. A dirty filter may be the cause.  The inside blowers of air conditioning units, heat pumps, and gas furnaces use filters to remove airborne particles and dust from the air circulating throughout the house.  The filter, which is located at the blower unit, naturally clogs and should be checked each month.  Dirty disposable filters should be replaced, while dirty washable filters should be cleaned with water and allowed to dry before reinstallation.  If a dirty filter is not changed or cleaned, the entire system wears faster and consumes more energy to maintain the desired temperature.

Temperature varies greatly from room to room. This problem is an air distribution problem, not a problem with the air conditioner, heat pump, or furnace.  The problem is caused by uneven airflow.  To adjust the airflow, many houses are equipped with adjustable dampers inside the air supply ducts.  Additionally, each register or vent is usually equipped with a damper to restrict the air entering that room.  Try fully opening the dampers in rooms with deficient airflow while partially closing the dampers in other rooms.

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