Efficiency within a model group will tend to vary by the size (capacity) of the unit. Solution 1: Air Filter. A poorly running HVAC system can dramatically increase your electrical bill, while simultaneously failing to keep you cool in the summer months. Change out HVAC filters every few months. After the system kicks on, wait a few minutes, then check for cold air blowing from the registers. Before the thermostat goes on the blink or the air conditioner begins to sputter, take care of the hard-working machine throughout the year. This greatly reduces the cooling capacity of the air conditioner. Central air conditioning systems have an outside unit with a compressor that runs and provides the cool air that runs through the vent system. As previously described, your central air conditioning system likely includes an outdoor condenser unit. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. Air conditioning systems are more than just the condenser unit (the AC unit or heat pump) sitting outside your home. Or, it may be better to replace the system with one that is correctly sized. Is your AC not cooling your house after checking these possible issues? You can attempt to clean the coil by clearing away debris, carefully vacuuming the coil with a brush attachment or rinsing gently with a hose. If the thermostat is defective, the thermostat may not cool properly. Refer to your air conditioner’s wiring diagram for more information.). Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Manage Registration. Instead of the constant challenge of keeping a home or business cooled, people could finally be a comfortable temperature. However, this is not usually the case. Carrier HVAC Equipment: Residential and Commercial. To determine if the thermostat is defective, set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. Carrier Air Conditioner Repair Help. Filter Out. A dirty air filter. Defrost issues can be caused by faulty relays, controls, or sensors. Confirm, edit or reprint an existing CARRIER product registration. This is one reason why your aircon unit cannot work properly. This greatly reduces the cooling capacity of the air conditioner. Dirt, grass and other airborne debris can accumulate between the fins, clogging the coil. When the air temperature rises above a set point, the thermostat activates a switch to provide power to the fan and compressor. We provide sustainable solutions, integrating energy-efficient products, building controls, and energy services for residential, commercial and retail customers at a competitive price. Before replacing the compressor, first check all of the more commonly defective components. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. It’ll be the hottest day of the summer, and no matter how many times you turn down the thermostat you still find the AC not blowing air that is cold enough. Air conditioner fan not working. On one side, the fan blade draws in outside air over the condensing coil to dissipate the heat. Thermostat not reaching the set temperature? Your system’s air filter traps dust, dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. Checking and resolving issues involving refrigerant levels in your system is another job for your local Carrier dealer. Before replacing the compressor, be sure to check more commonly defective components—particularly the overload protector and the compressor capacitor. Dirty air filter. If, after you are satisfied that you have a clean air filter and your central air conditioner does not cool your home, you’ll have to dig a little deeper to locate the problem. In a properly working air conditioner, a fan will draw air over the evaporator coils, where it is cooled, and then be re-circulated back into the room. What is Central Air and How Does It Work? If your system is undersized, it may be possible to provide cooling in problem areas by adding a ductless unit to help out in “hot spots”. On the other side, the fan blade directs the air … In addition, if the air filter is clogged, the eva...porator coils will frost over. If your indoor unit is a furnace, the evaporator coil sits in its own cabinet, outside the furnace. In some cases, your outdoor unit might be a heat pump. No Video Available. With options for every home and every climate, we’re confident you'll find what you need. 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