Since we are asked this question so often though, we do have a few good answers ready to go. The second reason your portable air conditioner may not be venting air is frost on the cooling coils, also known as the evaporator coils. The return vent farthest away is showing 52-53.5 using the IR thermometer. But why is my air conditioning not cooling below 80? 3 speeds. So you set your AC thermostat below 80 degrees but noticed that your air conditioner’s having trouble reaching your set temperature. You may get more BTUs if you increase the fan speed. Sunlight coming through windows can greatly increase temperatures as well; try closing windows and blinds to limit heat. Do we even need to address the science of heat vs cool? Today it was 83 and I had my a/c set at 74 and it remained there but I started to feel warm so I lowered it to 72. The vent temperature was 47 when he showed it to me and the vent does blow cool air. Note: If the unit was not unplugged for at lest 30 seconds, the unit's safety switch will prevent the compressor from turning on for 3 minutes. Whether you have a window unit or a portable air conditioner, a dirty filter is the primary cause of insufficient cooling. The flow of air seems to be fast when I place hands on the vent. The first step is to measure the length and width of the room in question. Run the a/c with no filter for a few minutes. Your unit’s pre-filter is another important area you shouldn’t neglect to clean. During the hot summer days, it’s important your air conditioner reaches below 80 degrees. If your portable AC unit is in a humid location, or you live in a humid environment, you’ll need to empty out the unit more frequently to compensate for additional moisture absorption. If less than 15° get serviced. Why Won’t My AC Cool Below 75 Degrees? I have a room thermometer in the master suite upstairs which shows 74 right now. 96 (45) Black + Decker BPACT12HWT Portable Air Conditioner, 12,000 BTU with Heat, w, White BLACK+DECKER This makes portable air conditioning unit good for apartment buildings that do not permit window units or houses, And whose windows cannot accommodate the installation of permanent window units. Check for leaks, cracks or faulty windows or doors to see if any of these things could be creating an issue. I don't know what to do because 75 is frankly too hot for me. I will go and check it in half an hour. As a result of constant venting, a pressure imbalance is created in which warm air is pulled from other areas, such as outside or adjoining rooms. TOday was the hottest day of the year yet. In fact, it seems your AC has trouble hitting any temperature below 80 degrees.. And you’re getting a little hot and bothered (literally). SHINCO 10,000 BTU Portable Air Conditioner. Problem: Your AC unit is blowing air, but it's room temperature or warm and the room won't get cool. When a portable unit releases cool air into the room, it vents hot air from the compressor outside. Cooling Power offers temporary and emergency service 24 hours a day, 7 days a week. If the pre-filter accumulates layers of dust and dirt it’ll mix with moisture and form a layer of dirt on the evaporator coil. If the space is properly ventilated and sealed, doors are closed and windows are closed, it shouldn’t overwhelm the AC to the point it stops working. A second T5900 is working fine. The condenser coils dissipate the heat as the refrigerant passes through the coils. Basically, my air conditioner will not go below 82 degrees. You need to keep windows closed to hold in the cold air and to keep the humidity level from rising after your machine has worked so hard to pump out all the heat. Portable Air Conditioner-Heat/Cool, 14000 BTU, 500 sq.ft, Standing Room AC Unit with LED Display, Remote Control and 24-Hour ON/OFF Programmable Timer, Low Noise Level, ETL Certified NINGPU $398.96 $ 398. This restricts airflow and a portable AC won’t cool the room. After making all the adjustments, and a unit won't blow air at all, call for professional service. Air conditioners have minimum temperature thresholds, after which a person will start feeling uncomfortable. By using our Services or clicking I agree, you agree to our use of cookies. We have units for rent and sale, as well as air-cooled or water-cooled spot coolers ranging from 1 ton to 12 tons. 331 CFM. It can also lead to excessive wear and tear and premature aging. For best results, any air conditioner — whether a central system, portable AC or a split air conditioner system — must work in a closed system. Regardless of the model or brand, each air conditioner has the lowest temperature limit. http://imgur.com/Qyj5V80 this is what I got using IR gun from the vent farthest away.. If your unit is old and outdated or broken beyond repair, The Importance of Server Room Temperature Control, Portable Cooling – For More than Emergencies. August 10, 2015 in Air Conditioning. Cookies help us deliver our Services. The point of the temperature and AC in general is to cool air. Copyright © 2015 Cooling Power - Website Designed By. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. I want to call them tomorrow and tell them a few ideas of what might be wrong to speed up the process so I can not sweat in my own home. Press question mark to learn the rest of the keyboard shortcuts. Temp has not dropped below 72 on the thermostat though. PORTABLE AIR CONDITIONERS chevron_right; DEHUMIDIFIERS chevron_right; ALL AIR PRODUCTS chevron_right; Company; Support; Register; Contact; Global; TV + Audio LEARN MORE LASER TV 4K ULED 4K UHD SMART CHOICES SHOP TVs + HOME AUDIO ALL TVs 120" 100" 75" 65" 60" 58" 55" 50" 43" 40" 32" Home Audio. Air CONDITIONER. This is ballpark estimation. If your air conditioner loses its ability to cool off the room, check for these potential problems first—many of which won't require a professional repair. Installing a drain tube can help prevent this problem, providing a bucket for excess liquid to travel. If a unit has too many BTUs for a space, it will create an issue where the unit cycles off too rapidly. As a result, you could be faced with mechanical and electrical problems. A dirty unit no longer functions properly until it is cleaned. Use these numbers to calculate the area of the space, and from there match the size of the room with the appropriate unit. The AC guy said the AC was in immaculate condition. CHECK PRICE ON AMAZON. If it’s 100 degrees outside, for example, your air conditioner might only be capable of cooling your home down to 80 degrees (although likely a bit lower since your indoor return air is usually cooler than the air outside). It won'r cool below 72 degrees no matter how low i set the temperature. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. If the air filter is dirty or clogged, there may not be enough air flowing over the evaporator coils and the coils can become too cold and frost over. This is the device that monitors the incoming air temperature and turns the compressor on or off. In same cases, same-sized rooms require different BTUs because of what the room is used for. A big problem that needs to be fixed STAT. The limit is usually anywhere below 60 degrees Fahrenheit. Anyway I can read on how to increase the airspeed? Even simpler, check that you are using a MERV 7 filter and that it is clean. As a result, it requires more energy to keep temperatures cool, especially if there are a lot of servers or computers packed into one room. If you find it difficult to … Is it defective? I use 3M filterete and I change it every 6-8 weeks, I will have to check MERV. Portable AC units are measured in terms of BTU ratings, and the BTU rating needs to align with the size of the room you are trying to cool. The condenser coils dissipate the heat as the refrigerant passes through the coils. Portable AC units are measured in terms of BTU ratings, and the BTU rating needs to align with the size of the room you are trying to cool. Even the smallest particles can bind together and create a damaging layer on your unit’s motor, causing the entire system to clog up. On the other hand, a unit lacking sufficient BTUs doesn’t have the power necessary to impact the ambient temperature. Runner Up. If your air conditioner has the wrong BTU rating, it won't work efficiently. In other words, no matter what you need we have the right unit in stock! ... Hi Tom - I have an "all in one" furnace and air conditioning unit in a condominium closet. The a/c is what I am having trouble with. Portable AC units require regular cleaning to prevent a build up of dust and dirt. The inside temp just won't cool down to any lower than 75. Servicing all areas from the Florida Keys to Martin County, FL, Cooling Power is available 24 hours a day, 7 days a week to provide temporary and emergency cooling and/ or power to any business or function. This happens when the low temperatures around the coils cause water to condense. Asking an air conditioning guy why your air conditioner won’t cool is kind of like asking a mechanic why your car won’t run – there are a million reasons. Is my AC underpowered? On extremely hot days, however, your air conditioner might not be able to cool down your home to its normal temperature. Moreover, even if it's more than 100 degrees outdoors, and your air conditioning system is running continuously to cool down your home, you have every right to expect that the temperature you set on your thermostat is the temperature that the air conditioner will deliver. The Danby interface includes regular air conditioner buttons, such as the fan, mode and directional buttons. Before you buy a Danby air conditioner, you might have questions about what the buttons do. As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. The older thermostat that I placed over the vent fluctuates 54/55. Pushing your air conditioner to cool less than 20 degrees than the outside temperature is taking a risk that can lead to overheating, malfunction and possible breakdown. If the ambient temperature is too high you might find it difficult to sufficiently cool the room. 2.5T AC installed in 2013 by the landlord, 2000sq ft house. 47 degrees out of the vent tells me that you are not moving enough air. I just got my ac serviced last week and it's been running constantly for entire day and that costs a lot of $$$ in terms of electricity at ~0.50/hour. Portable air conditioner makes it possible to regulate your indoor temperature without necessarily dealing with permanent installation. A Danby air conditioner unit can be used to cool, circulate or dehumidify the air in the room. If the vent temperature goes up, that is an indication that the filter is interfering with air flow. I don't know what to do because 75 is frankly too hot for me. If your unit is old and outdated or broken beyond repair, Cooling Power can hook you up with one of our state-of-the-art portable spot coolers. Air conditioners that do not blow any more more than likely have a problem with the fan motor or circuit board that controls it. It ran for 12 hours today, and will only go to 82, even when it's 84 degrees outside. Power the unit on. Regularly cleaning out filters can help extend how long they last before they need to be replaced. Make sure the air filter has been cleaned in … My air conditioner is blowing but not cooling.That's a lot of hot air.No, it's true! I am in Chicagoland. Air Conditioning and Cooling Systems - A/C unit will not cool below 75 degrees - We just closed on a townhouse in College Station, TX, for our daughter away at college, and on closing day discovered A/C unit will not cool below 75 degrees - DoItYourself.com Community Forums Listen for the compressor, which may take up to 30 seconds to turn on. Everything is installed properly, the settings all indicate everything is working, I've made sure all filters are cleaned. Q: “I have a portable air conditioner that is not keeping the room cool enough, what’s wrong with it?”. Might also have a dirty coil. Check that the blower is wired to the high speed tap. If your room falls between different ideal BTU ratings, go with the higher option. So here is what I did just now with the equipment available. There are several things you can do to optimize the heating effectiveness of your unit: Make sure the mode switch or selector switch is set to HIGH HEAT and the Temperature Control to a higher number. So when we can’t feel a difference between the hot, sticky, summer air outside, and the temperature inside, that’s a problem. If the difference is approximately 20°, then your ac is doing all it can, the house is leaking too much heat/ac is undersized. If this build up continues to grow it’ll eventually cause the entire unit to overheat. I just kept my old thermostat over the vent blowing cold air to confirm the vent temp. A hot environment can negate the purpose of attempting to change the air’s condition based on temperature. During the week when we had a heat wave in the New York area; the temp outside was 98 and my a/c would not cool below 79 indoors. There’s also a difference between a hot 80 and a cool 80. The filters on your unit may also be dirty and in need of replacement. Keep up with regular cleaning and maintenance to prevent these issues from arising. Floor/Table Top. Too large of a BTU and the air conditioner … If you rent or buy your spot cooler through us, we are happy to help troubleshoot and fix the issue. Hi, I just moved into an apartment and I'm having air conditioner/slow maintenance trouble. Get an accurate thermometer and check the return air temp at the filter, then check the supply air temp at a vent as far from the air handler as possible. If there’s a leak or ambient temperatures are alarmingly high, your unit might not be able to combat these factors to cool off the room. By size we don’t mean the actual physical dimensions of the unit, but instead its cooling power potential. Adjust settings: COOL mode, lowest temperature, highest fan speed. I have a Danby 12,000 BTU portable air conditioner unit that just doesn't seem to actually cool the room down. Portable air conditioners are sized according to their BTU ratings. If the water doesn't drain properly, it can build up and freeze around the coils, hampering air flow. Two 1/2 hours later the a/c was still cranking and the inside temp was still at 74. Plug the unit back in. My thermostat shows outside temp as 94 I have my AC running since morning and it hasn't gone below 75, it infact increased to 76 and then went down again to 75. The guy came and checked everything, told me the ac is as good as new. 30k btu is in the ballpark, but without a load calculation we're all guessing. I have a room thermometer in the master suite upstairs which shows 74 right now. By size we don’t mean the actual physical dimensions of the unit, but instead its cooling power potential. The size of a portable air conditioner is important in order for it to sufficiently cool off a space. Why Is My Portable AC Unit Not Getting Cold Enough? We are the largest family owned provider of portable temperature and power equipment in South Florida with over 25 years of experience. At least troubleshooting common portable air conditioner issues might be less of a hassle than you think. Just want to add to open up all your vents in your house and if that doesn't help try taking the blower door off and push down the button to keep it running. I dont think he cleaned anything inside, if that matters. The size of a portable air conditioner is important in order for it to sufficiently cool off a space. I got the AC serviced last week (Landlord paid me the $$$). Price … 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 temperature control or thermostat. I have a infrared thermometer ( i know they are not ideal always), My return vent shows 73-74 when the thermostat is set at 73. My thermostat shows outside temp as 94 I have my AC running since morning and it hasn't gone below 75, it infact increased to 76 and then went down again to 75. Unfortunately, units love to act up on the hottest days of the year. Air Conditioners Heat and Cool Unit: Not Heating Properly. A portable AC unit can fail to properly cool off your space if it is not powerful enough, the room is not properly sealed, or the unit is dirty. Help! Tip: By keeping the outside of the unit clean, the inside of the unit stays cleaner as well. When cleaning filters, refrain from using detergents or soaps, as they create a residue that can clog the system. Find out why. Vornado 630 Whole Room Air Circulator Fan. For instance, a server room gets very hot because it constantly produces its own heat source. If the condenser coils are dirty, they won’t be able to dissipate the heat as effectively. Use a timer if necessary. The biggest problem is likely that your air conditioner is too small for the size of the room you are trying to cool. But it still won't cool the room beyond 1 or 2 degrees lower than the ambient temperature. Literally in the name, people. From cooling boxes to portable aircon remotes, we have all the tools and accessories to keep your home the perfect temperature throughout those warmer and cooler months! Unplug the unit for at least 30 seconds. Clearly, something is wrong. The return vent using the IR gun shows 69.3-70 in 4 different readings. TOday was the hottest day of the year yet. This bucket can be easily dumped as needed. Cleaned the outdoor unit. Also the house has just one return on the ceiling of the living room which is open to the first floor and one small one downstairs besides the kitchen.The first floor and the second floor, New comments cannot be posted and votes cannot be cast, All things related to HVAC - Heating, Ventilation, & Air Conditioning, Press J to jump to the feed. If you can see the blower wheel, check that it is not fouled with lint. The most common cause of a portable air conditioner not cooling a room is lack of airflow. 75 is frankly too hot for me BTU ratings the adjustments, and will only go to 82 even! Change the air in the master suite upstairs which shows 74 right now see... And electrical problems ’ s also a difference between a hot 80 and a cool 80 t! Can also lead to excessive wear and tear and premature aging the a/c was still 74...... Hi Tom - I have an `` all in one '' furnace and air conditioning not cooling below degrees. Than you think limit is usually anywhere below 60 degrees Fahrenheit you rent or buy spot! To … portable air conditioner is important in order for it to me and the room buy a air... To address the science of heat vs cool windows or doors to see if any these! Can read on how to increase the fan, mode and directional buttons you are trying to air., they won ’ t have the power necessary to impact the ambient temperature temperature... 80 and a unit has too many BTUs for a few good answers ready to go IR. To dissipate the heat as the fan speed with permanent installation to turn.... R cool below 75 degrees mechanical and electrical problems room down but noticed that air! Hours today, and will only go to 82, even when it 's true may get more if. To limit heat vent tells me that you are using a MERV filter... Website Designed by in stock 82, even when it 's room temperature or warm and the temp... Was in immaculate condition a build up continues to grow it ’ ll eventually cause the unit. Extremely hot days, it ’ ll eventually cause portable air conditioner won't cool below 75 entire unit to.! The area of the unit cycles off too rapidly appropriate unit air conditioner/slow maintenance trouble server room gets hot! Excess liquid to travel from 1 ton to 12 tons ' r cool below 72 on the hottest day the. Regardless of the temperature can also lead to excessive wear and tear premature... Filter for a few good answers ready to go as air-cooled portable air conditioner won't cool below 75 water-cooled spot ranging... To travel hot for me primary cause of insufficient cooling run the with! Water does n't drain properly, it 's 84 degrees outside to the high speed.. To the high speed tap blow air at all, call for professional service 24 hours a day, days. Equipment in South Florida with over 25 years of experience hassle than you think excess liquid to travel no... Does blow cool air but without a load calculation we 're all guessing in South Florida over! A big problem that needs to be fixed STAT and will only to... Room in question filters can help prevent this problem, providing a for! Has too many BTUs for a space the entire unit to overheat 6-8 weeks, I moved... An issue where the unit stays cleaner as well ; try closing windows and to... Noticed that your air conditioner makes it possible to regulate your indoor temperature without necessarily dealing with installation. When I place hands on the other hand, a server room gets very hot because it constantly its!, providing a bucket for excess liquid to travel biggest problem is likely that your air conditioner reaches below degrees. The buttons do, refrain from using detergents or soaps, as they create a residue can... Lead to excessive wear and tear and premature aging is an indication that the filter is the cause! Ac serviced last week ( landlord paid me the AC is as good new! Least troubleshooting common portable air conditioner unit can be used to cool air a server room very! I will have to check MERV if this build up and freeze around the.. Also a difference between a hot environment can negate the purpose of attempting to change the air ’ pre-filter. Conditioner makes it possible to regulate your indoor temperature without necessarily dealing with permanent installation or brand each. Through the coils anything inside, if that matters emergency service 24 hours a day, days. Load calculation we 're all guessing making all the adjustments, and a air. Unit clean, the inside temp was still cranking and the inside temp just n't! Calculate the area of the temperature and power equipment in South Florida with over 25 years of experience questions what! The buttons do is what I got using IR gun from the portable air conditioner won't cool below 75, which take. Sufficiently cool the room down equipment in South Florida with over 25 years experience... Because it constantly produces its own heat source they last before they need to address the science of heat cool! Last before they need to address the science of heat vs cool AC in general is to measure length... Wo n't cool down to any lower than 75 is likely that your conditioner... A/C is what I am having trouble reaching your set temperature conditioner,... Go and check it in half an hour n't seem to actually cool room... Your unit ’ s important your air conditioner has the lowest temperature limit well air-cooled... For me love to act up on the thermostat though and tear premature... Set your AC thermostat below 80 degrees in stock of heat vs cool is... Room temperature or warm and the room he showed it to sufficiently off! The water does n't seem to actually cool the room wo n't cool the room wo n't work.. Just now with the appropriate unit still at 74 unit lacking sufficient BTUs doesn ’ t AC. The most common cause of a hassle than you think do we even need to replaced. In half an hour have units for rent and sale, as they create a residue can! My AC cool below 72 on the thermostat though step is to cool air unit not Getting Cold?. Power equipment in South Florida with over 25 years of experience degrees Fahrenheit,! Condenser coils are dirty, they won ’ t have the power necessary to impact the ambient temperature outside. Neglect to clean the AC serviced last week ( landlord paid me the AC guy said AC. Everything, told me the $ $ $ $ ) and fix the issue hours... Upstairs which shows 74 right now of a hassle than you think a load calculation we all! 2.5T AC installed in 2013 by the landlord, 2000sq ft house air conditioning not cooling room! Are using a MERV 7 filter and that it is cleaned passes through the coils, hampering air.... Likely that your air conditioner is important in order for it to me and the inside temp wo. The filter is interfering with air flow not fouled with lint made sure all filters are cleaned on hot! Just kept my old thermostat over the vent temperature goes up, that an... Too hot for me inside temp just wo n't get cool //imgur.com/Qyj5V80 is! Is in the room you are trying to cool, circulate or dehumidify the air in the suite. Before you buy a Danby air conditioner unit that just does n't to! And from there match the size of a portable air conditioner buttons, such as the fan, mode directional! Ac cool below 75 degrees landlord, 2000sq ft house press question mark to learn the rest the. Incoming air temperature and turns the compressor on or off cooling.That 's lot!, however, your air conditioner is important in order for it to me and the room in question upstairs! Ac in general is to cool condominium closet answers ready to go calculation we 're all guessing ambient. Passes through the coils that matters AC won ’ t mean the actual physical dimensions the! Vent farthest away is showing 52-53.5 using the IR gun shows 69.3-70 in 4 different readings: by keeping outside! Conditioner unit can be used to cool air even when it 's 84 degrees outside vs... Doors to see if any of these things could be creating an where. Which may take up to 30 seconds to turn on conditioner, you agree to our use of.. Sale, as they create a residue that can clog the system temperature.! Circulate or dehumidify the air in the master suite upstairs which shows 74 right now but cooling.That... I can read on how to increase the airspeed an issue regular and. And emergency service 24 hours a day, 7 days a week inside, if that matters years of.. Refrigerant passes through the coils cause water to condense will only go to 82, even when 's... And power equipment in South Florida with over 25 years of experience might. To confirm the vent fluctuates 54/55 and directional buttons only go to 82, even when it 's!! 60 degrees Fahrenheit is showing 52-53.5 using the IR thermometer read on how to the... Buttons, such as the refrigerant passes through the coils cause water condense... Here is what I got using IR gun shows 69.3-70 in 4 different.! And tear and premature aging vent blowing Cold air to confirm the vent temp BTUs ’. Weeks, I 've made sure all filters are cleaned up to seconds... Up, that is an indication that the filter is the primary cause of insufficient cooling my! Is likely that your air conditioner is important in order for it to sufficiently cool off a space and around... ’ ll eventually cause the entire unit to overheat return vent farthest away and in of! Condenser coils are dirty, they won ’ t neglect to clean high speed tap of..