Maybe you finally bit the bullet and turned your air conditioner on, or maybe you’ve been running your AC for weeks now. These are fixes which should be accessible to any home owner. 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. Perhaps it’s blowing luke warm or hot air. Refrigerant is the liquid that absorbs heat from the air in your home. In fact, it seems your AC has trouble hitting any temperature below 80 degrees. You might also know how frustrating it can be when your air conditioner quits or isn’t working properly, and the temperature in your home starts creeping up. It can be frustrating when your air conditioner isn’t cooling your home. To check the fan blades, you may have to pull off the back case. See LOST COOLING CAPACITY if not enough cool air is provided by your air conditioner, or if the air temperature is not cool enough, or if you just can't get your A/C unit running, this article helps diagnose and correct the problem with step by step things to check and links to more detailed explanation when you need it. You shouldn’t turn your air conditioner on if the minimum outside temperature is below that. Coils that are old or damaged may leak refrigerant. If the compressor isn’t working, this complicated problem is best solved by a professional. All you need to do is replace your filter. Hot weather is a lot more tolerable when you have air conditioning to escape it. If the coils are significantly dirty, the air conditioner will not be able to maintain the proper temperature, and the compressor will … This will ensure that air only blows from the vents when the air conditioner is cooling. If you live in an area that sees triple digits temperatures all summer long, you know what a relief it is to walk out of the sun and into a nice, cool house. If the compressor is having issues, you will probably have to replace it. A good filter in a home without a lot of dust will last 6 to 8 weeks. Having your unit serviced each year will keep it clean and prevent this from happening. Warm indoor air passes through the evaporator coil where heat energy and humidity are removed from the air. The temperature your AC puts out is relative to the temperature you set on your thermostat. However, it might not be worth it cost-wise. Try some of the easier fixes first before you dial your local heating and cooling company. If the AC is only cooling the air slightly, your unit might not be the right size for your home. Solution: If a refrigerant leak is your problem, have a professional find and repair the leak and then recharge your system with more refrigerant. In many cases when you can’t figure out the cause you’ll have to call a professional. The reverse is equally obnoxious in the winter if you intended to use your AC to help a bit with the heating of your home. For central air, some possible causes are the thermostat settings, air filter, condenser unit, evaporator coils, and refrigerant. How to fix this issue? That could be a sign of a bigger electrical issue. This often leads to warmer air coming from your vents. Homes that are dusty or that have multiple pets that shed should replace their air filters … When your system’s air filter is full of dirt and debris, the flow of air is restricted, which can impede the functioning of your air conditioner. Pinpointing the reason is, like many issues with air conditioners, a process of elimination. If enough leaks, your unit will have to work harder to cool the air. It’s true that running air conditioners in cold weather is a bad idea. that might be blocking the air circulation. It may sound silly, but it’s easy to just assume that the thermostat is set like just like it always is. Homes that are dusty or that have multiple pets that shed should replace their air filters every 3 weeks. Mon – Fri 9:00 am – 5:00 pmSat – 8:00 am – 12:00 pmSun – Closed. If the air conditioner is already struggling to cool the house, it won’t be able to reach an even lower temperature—it will just stay on, wasting power without making a difference in the household climate. In hot, humid climates like ours, you want your air conditioner to move air at a rate at or near 350 CFM per ton. 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. To test it, pull the filter out. In other words, it removes heat from the home and dumps it outside. For example, if it’s 89 degrees outside and you’ve set the thermostat to 65, the air conditioner may never stop running because of the massive temperature difference. Your air conditioner can only handle a specific temperature difference between your home and outside. Check and make sure your air filter is clean. Like with central air systems, the refrigerant needs to be handled by an EPA licensed technician. Like with central air, a dirty air filter is a common issue with window units as well. Your HVAC unit blows air through the filter into your home, trapping dust and debris to keep you from breathing it in. So, when your Haier air conditioner isn't keeping up its end of the bargain, we have you covered. The compressor is in the outdoor unit. This can result in a higher than normal utility bill. When the air filter is dirty, it could restrict the air to the evaporator coil. Many central air systems have 2 circuit breakers – one for the inside unit and one for the outside. If your filter is clean and your airflow is unobstructed, the problem (and the fix) are more complex. If your air conditioner is running but not lowering the temperature, you could have a potentially serious problem on your hands. A dirty evaporator coil makes it harder for your HVAC unit to cool the air. They are usually situated behind a panel on top of the furnace. The air conditioner should turn back on at this point. But if your cooling cycles are lasting 30 minutes, an hour or all day long, there's a good chance that something is amiss with your system. After half an hour, you can turn the thermostat on “cool”. You’ll need to call a professional for this. In most cases, this means that your unit is in need of an upgrade. If that doesn’t fully clean it, you can often wash it in the sink with soap and water. My AC Is Running But Not Cooling the House. Even if your air filter is new, you may be using one that’s too restrictive … Another issue regarding the thermostat is that it can be broken and there is a high chance that in that case even if it shows the set temperature on the screen, the actual temperature may be higher or lower than the set temperature. Try setting the thermostat to 72 or 74 to see if the AC … Its appearance can help elevate room décor while the warmth it provides is most welcome during the winter months. Check the unit from the outside, clean around it, and remove any debris that you see around it, like weeds, tree branches, etc. To get to the air filter in a window unit, pop off the front cover. The limit is usually anywhere below 60 degrees Fahrenheit. Air Conditioning Unit Needs Maintenance. If you’re not sure of the size, call a professional to determine whether your AC is doing its job correctly. In the meantime, you should turn the air conditioner off until someone looks at it. You can save 3–5% on air conditioning costs for each degree that you raise the thermostat. License #: CAC1820523, © 2020 Air Medics A/C AND Heating. There are lots of reasons why your air conditioner might not be working like it should. The average system should be able to maintain a 20-25 degree temperature difference between the outdoor and indoor temperature. With air not making it through the coils in your unit, it won’t be able to properly remove the humidity and cool the air. When the unit can only run at one speed, it turns on and runs full blast until the air reaches set temperature. Leave the thermostat off during this time. Leave the thermostat at a higher setting (I recommend 78°F) until the AC’s problem is … One common cause of an air conditioner that just won’t cool the room is a clogged air filter. Caring for and cleaning your HVAC unit will also decrease the likelihood of costly repairs and replacements. Here in the Coachella Valley, air conditioners are our saving grace from the hot desert temperatures outside. From the information we have now, it is hard to tell what the problem is. Professionals call this temperature difference the evaporator Delta T. In most cases, especially in homes, you should not run an air conditioner at 58 degrees F or lower. Check the back of the unit to see if trash or other debris has accumulated there. Clean the central air conditioning compressor, located outdoors, before every cooling season. How do you wash an air conditioner’s filter? Getting coated in dust and dirt isn’t the only issue your evaporator coils may face. If the thermostat settings are correct, then your air condenser might be blocked or dirty. So when your air conditioner is running but not lowering the temperature in your home, it’s fair to get frustrated. On New System Installs. Despite hearing the sound of the AC turning on, your house is not cooling down as it used to. Check the installation. Now that you know a few reasons why your air conditioner is running but not lowering the temperature, it’s time to fix the problem. Here are some of the signs of a frozen evaporator coil: If you suspect a frozen evaporator coil, you will most likely need an HVAC tech to accurately diagnose and fix the issue. If your air conditioning is running, but not cooling, the first thing you should do is check the thermostat. Weigh the cost of a possible repair against the cost of a new system. As stated, air conditioning units need regular maintenance to continue running smoothly, much like other appliances in your home. If the thermostat is in the “on” setting, it will blow air out continuously. Continue running your AC is not going to lower the room temperature much, but just waste the electricity. The units contain oil that is designed to lubricate the compressor, and that oil is a heavy grade that works best in warm conditions. When the unit can only run at one speed, it turns on and runs full blast until the air reaches set temperature. They’re hermetically sealed, meaning you cannot open them to repair a single part of it. This results in the AC not cooling your home. ANSWER: Your air conditioner is not energy efficient If your air conditioner is over 10 years old or has a SEER rating of 10 or less, you’re probably spending more … If you do, the following can happen. Reasons Why AC Is Running But Not Lowering Temperature Thermostat Settings. By moving air over your skin, a fan can lower your body temperature, but will do nothing for the heat inside a room. Today were going to talk about how much your air conditioner can drop the temperature in your home and ho… The fireplace is both a decorative and functional part of the home. Restrictive filters. If your system is low on refrigerant, the air conditioner cannot absorb enough heat to cool your home. Like your air filter, the evaporator coils inside your HVAC will become coated in dust and debris with regular use. Basic Maintenance . While most of us believe that an air conditioner only works to cool the room down, that’s not the case. it can be many different reasons (low freon, weak air flow, dirty coil, frozen pipe, … If your window air conditioner is on, but not blowing out cold air there are a few common causes. For humidity removal, a faster rate is not ideal. Cooler air is then circulated back to the home. Regular, scheduled maintenance will increase the energy efficiency and cooling output of your air conditioner. 6. Having your air conditioner running but not lowering temperature as it should is quite an annoying problem. Then it turns off until the temperature once again goes above the thermostat threshold. The theory is based on the "law that cold air is denser and heavier than warm air. Try lowering the temperature by a few degrees. Clearly, something is wrong. 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