The office staff members answering customer calls at ACE Home Services often check off this concern: “Air conditioner not blowing cold air,” which gets our HVAC technicians in the truck and on their way.Among HVAC companies in Phoenix, this is the most frequent call for help.In the high heat of summer, and in the slightly cooler days of fall, we still get the call. FAN ONLY is exactly what it sounds like. If your window ac or split ac is blowing warm air, always check the controls for proper operation and see if the air filter is dirty.. Ice Under Freezer Drawer In Refrigerator – How To Fix? If the heater is on one of the heat settings, rather than the fan only setting, then it may have overheated and shut off power to the heater. Locate the end of the condensation drain line (often in a utility room) and visually check it for clogs. If the motor is seized or if the fan blades are damaged then they will need to be replaced. We see you're shipping to . However, this issue is usually caused by a few different problems within the AC itself. Your email address will not be published. If you don’t feel comfortable working inside the units, it’s time to call a pro, but if you’d like to try cleaning the coils on your own: If you’ve gone through the above DIY steps and your AC system is still not cooling, the problem could be leaking refrigerant (Freon) or a failed compressor unit. This component is found on electronic control models and monitors the incoming air temperature and signals the main control board to turn the compressor on or off. The fan on my heater is running; but there is only cold air coming out of the heater, is that normal? How To Remove Dried White Glue From Carpet? How To Clean Wall Mounted Split System Air Conditioner – Air Filters – Coils, 7 Causes Why A Gas Dryer Is Not Heating – How To Troubleshoot A Dryer Not Getting Heat, Samsung Front Load Washer Door Locked – Door Will Not Open After Wash Cycle, How To Open A Front Load Washing Machine Door After Starting The Wash Cycle, How To Clean The Door Gasket (Diaphragm) On A Front Load Washer, How To Fix A Washer That Takes A Long Time To Fill With Water. Dryer Will Not Start – How To Troubleshoot And Fix? Troubleshoot where the leak is located. The controller may have been accidentally set to FAN ONLY. The evaporator filter can be removed as shown in Fig. A: It’s the last thing you want on a sweltering summer’s day—a central air conditioning system that’s not blowing cold air. AC Not Blowing Cold – How To Get Air Conditioner To Blow Cool Air? Samsung Refrigerator Randomly Beeping – What Causes Alarm Beeps? Main sewer lines, a clogged toilet, trenchless sewer replacement, or clogged bathroom, kitchen or laundry drains, we service them all. Most window air conditioners use a capacitor to help start the compressor. If your air conditioner is not blowing cold air and you have inspected the air filter and fan motor and found them okay, then you may have a problem with the thermistor. If the temperature control or thermostat is defective, it may not send power to the compressor, and no cooling will take place.