Window units are simply smaller. In a properly working air conditioner, the fan will draw air over the cold evaporator coils and then re-circulate the air back into the room. In window air conditioner units, the fan helps circulate cool air over the evaporator coils and throughout your room. We’ve split our troubleshooting steps into two sections: basic troubleshooting for major problems that keep a portable air conditioner from working at all, and performance troubleshooting for air conditioners that don’t cool as well as you need them to. Consider this a good thing. GE air conditioners cost $150 to $1,000, depending on the model’s features and cooling capacity. Cooling: Very High | Power Saving: Very Low. Keep the system running cool. Consumer Reports and air conditioner pros identify how to troubleshoot the eight most common air conditioner problems that crop up with window and central air conditioners… Dirty cooling coils. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. It is worth adding the troubleshooting system presented below in form of a table to the list of benefits. 1. Your specific model may or may not display one of the above codes. If power failure occurs, turn the air conditioner OFF. Is the Filter Dirty? Air Conditioner Not Cooling . Is there any way I can modify this thing so it stops crying about Tennessee summers and does its damn job? When the air conditioner is first turned on, you need to allow time for the room to cool down. Join our newsletter to get notified of the best products available for your home. As noted above, different models may display different codes. Find the most common problems that can cause a Ge Air Conditioner not to work - and the parts & instructions to fix them. Mickey is the resident heating and air conditioning expert. This condenser could use some cleaning. Airflow brings warm and moist air to the AC which is then conditioned. A window or room air conditioner that doesn’t cool may need to be recharged with refrigerant, but the chances are good it simply needs to be cleaned. In this case, if a filter is loaded with dust and dirt, it could be interfering with your air conditioner's ability to cool your home. If there is, you may be asking the unit to do more than it is capable of. Your air conditioner is not cold. The reason condenser coils freeze may be because of low refrigerant charge -- which may indicate a leak. One of the most common reasons for a window air conditioner to fail to deliver cold air is incorrect mode selection. Your Air Conditioner Is Not Cooling the Air. Check the thermostat's power source after ensuring that it's set to "cooling" mode. The flow of air is restricted during these times, making for inefficient cooling. But as cool as the buildup might seem, keeping your air conditioner on ice not only prevents it from cooling your home effectively but also could lead to long-term damage. Start doing it yourself with the confidence that comes with 100+ years of experience. We’ve been testing portable air conditioners for five summers, and while we’ve had good luck with the reliability of our test units there are still plenty of simple things that can go wrong. All of our reviews are unsponsored, so we earn money by using affiliate links. Air conditioners are complicated systems that need the perfect combination of temperature, airflow, and pressure to work properly. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. If the fan doesn’t run, try resetting the furnace circuit breaker. To fix it, try cleaning the air filter. BTU Cooling Range (ASHRAE): 6000 - 6999 BTU. Try lowering the temperature by a few degrees. It worked for less than one summer and it kind of seemed as if it was not cooling … Debris or tall grass hindering the air flow around the unit intakes could also lead to excessive frost and freezing, which result in the same lack of … If it’s above 95°F outside, your portable unit will have a hard time keeping up, especially if it’s a single-hose design that uses up cooled air to remove heat. Your air conditioner has a set of indoor coils that absorb heat from your home’s air, as well as a set of outdoor coils that transfer heat from your home to the outdoors. If your filter is loaded with dust and dirt, it could be causing your air conditioner to … Scientifica / Getty Images A dirty air filter or dirty or damaged condenser coil could cause the unit not to cool any longer. The flow of air is restricted during these times, making for inefficient cooling.