Each piece has to run correctly for the system to cool your home’s air effectively. When you have your central AC maintained, ask the technician to check your ductwork. One malfunction can leave you sweltering in the heat and make your home unbearable. Before calling an AC repair company, here are 5 common causes to help narrow your focus and point you in a cool direction. However, if your evaporator coil is covered in dirt and grime, the refrigerant can’t absorb as much heat, which means you’ll feel warm air blowing into your home. The Ac unit works normally for up to an hour then starts to blow warm to hot air. It’s what removes … Damaged ductwork puts a strain on various parts of your central air system and causes the room temperature not to decrease while your air conditioner is running correctly. Before calling a professional, check out these 3 common causes that are simple to diagnose and easy to fix on your own . Created by Rocket Media. This goes for heating as well – if you’re using the air conditioner to heat the home in winter but it’s blowing cold air, check the mode on your controller. An overcharged car AC system can start out pumping cold air. A whole-house fan uses one-tenth as much power as AC. this thing switched temp from max cold to as hot as it could get. You can test this by dropping the temperature to 16°C on a hot day to check if the air from the air con feels cool before you switch it to an optimum level such as 24°C. Use a broom to sweep away any dirt, leaves, or debris from your outside unit. Sometimes kids (or adults) accidentally switch the thermostat to the wrong setting so warm air blows into your home instead of cold air. Only certified professionals should handle refrigerant because it’s a dangerous substance that could cause serious health problems. How Often Does an AC Need More Refrigerant? How you’re using the room might have unbalanced your system. Your ducts are located in hot, unconditioned spaces like attics, walls and basements. Solution: Clear your outside unit of debris. After going a few morw miles in town I tried the AC again. Final Advice When Your Air Conditioner Is Blowing Warm, having your system maintained semi-annually. How to Troubleshoot an Air Conditioner That Blows Warm Air. What are the reasons your home air conditioner starts cold then gets warm? Newer thermostats give users the ability to set the temperature to increase or decrease automatically at certain times throughout the day. Then the following week it blows nothing but warm air. Duct leaks are very common. Instructions for cleaning a condenser coil are pretty basic. Privacy Policy. If your house is 60 degrees and the air coming out is 80 degrees it will still feel cool when it is in fact warm. If you want to learn more about cleaning your air ducts, take a look at this video. Electrical problems are another common cause of air conditioning malfunctions. If I turn the knob to full cold, max ac, and high fan speed, it will eventually blow cold air for several minutes. Here are the problems at a glance: Let’s go into more detail about each of these issues and how to solve them. What Are The Most Common Reasons For Your AC Blowing Warm Air? 6605 N Nebraska Ave Tampa, FL 33604 The good news is … We can't seem to get the problem fixed because the contractors that have come to look at it has not been able to find a problem with the system. 95 Land Cruiser, air conditioner starts out cold, it has freon and then blows hot after the engine gets hot. Inside the unit, behind the air filter, you will find the evaporator coils. Solution: Check for loss of power. If your AC is too small, you may need an additional system (or a newer, bigger system if your current system is ready for retirement). Evaporator coils are what coils the warm air in your home. But if your outside unit is clogged from debris then it could decrease your AC’s performance which could cause warm air to blow into your home. Usually, a young air conditioner will not have a broken capacitor so soon but when you start feeling warm air coming out of your AC unit, then check the simple solutions first. You should always consider seeking independent financial advice, and your personal financial circumstances, when making a decision about buying a home warranty. ReviewHomeWarranties does not manipulate any data for financial gain. When the circuit breaker trips, the outside ac unit will not turn on. We work for YOU on Saturdays for NO EXTRA FEES! Refrigerant is the lifeblood of your cooling system. However, if you do need to buy a new unit, then you’ll want to check out our free window air conditioner buying guide . What should you do if your air conditioner is blowing warm air? The outside unit is obstructed: The two main components of your AC are the inside and outside units which work in tandem to cool your home. If the fan is not turning, the system is not extracting warm air from your home, and the air temperature inside will rise. But hold the phone . The use of the terms “best” or “top” are not product ratings and are subject to our terms and conditions. These are some of the first things you should check if you notice that your air conditioner is not blowing cold air. shut off the ac and try the vent setting. The switch turns power on and off on the condenser unit. Hot air is the last thing you want from your home’s AC unit. Is your air conditioner blowing cold when you turn it on, but over time it starts blowing warm air? You can also check to make sure the thermostat is properly connecting. Many people have that problem: they start up the auto AC and it runs cold for a week. That said, in this article we’ll share 6 common reasons your AC could be blowing warm air. ReviewHomeWarranties cannot, and does not, present information about every home warranty provider or home warranty offer available on the market. That means you need to check your capacitor to make sure it was not defective or that it just simply broke. 95 Land Cruiser, air conditioner starts out cold, it has freon and then blows hot after the engine gets hot. … There are many different reasons why your AC is blowing warm air and sure, it can get kind of complicated. However, when your HVAC system starts having issues, it is incredibly stressful. By the time my A/C repair tech makes it out, the A/C is always working again. Solutions: If your AC system is too large, try using fans to circulate the cool air to the warm rooms in your home. If not, it is probably overdue. There are prongs on the back of your removable thermostat face. All of the data listed on our website is collected from the company’s official website, the company’s representatives, and consumer reporting sites. Regardless of any current, past, or future financial arrangements, each company’s ranking is based on and calculated by an objective set of ranking criteria, as well as user reviews. The Ac unit works normally for up to an hour then starts to blow warm to hot air. Keeping your evaporator coils clean is essential because dirty coils make it difficult for your air conditioner to cool air, and it can even cause your unit to freeze. How can you properly maintain your HVAC to avoid system malfunctions? To do so, follow these steps: The bushes near this outdoor AC unit are too close and should be trimmed. So, without us looking at your air conditioner, there’s really no way for us to know exactly what’s causing your AC to blow warm air. It is always best to let a professional handle electrical work. What Are The Most Common Reasons For Your AC Blowing Warm Air? If I leave it overnight it does start up cold then turn warm. But hold the phone . It is also a good idea to have your air ducts professionally cleaned from time to time. A Leak in the A/C System. If there is a refrigerant leak or your freon levels are low, your air conditioner will struggle to maintain the desired temperature. It was blowing warm but I left it on. A small refrigerant leak is the most common reason a car’s A/C … If there are any maintenance issues or if your HVAC unit needs more refrigerant, the technician will address those issues. circuitsmith July 6, 2016, 1:23am #2 So, if you try the DIY tips above and your air conditioner is still not blowing cold air, you should schedule a service call with a knowledgeable HVAC technician. Trim any surrounding bushes so that they are at least 2–3 feet from the unit on all sides. 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