How to Blow Out AC Drain Line With Air Compressor

Air conditioning system is an integral part of our homes. To keep it running correctly, proper maintenance and care is also essential. One of the important parts of the AC system is its drain line. This part requires extra cleaning and maintenance because it drains away the condensed water and ensures the efficient working of your AC system. 

Luckily, you can clean the AC drain line yourself using your air compressor. Now you might wonder, “How to blow out AC drain line with air compressor?” Don’t worry; it is pretty simple. 

In this guide, we are going to discuss how you can clean the AC drain line using your air compressor. So, if you are looking for a simple yet effective cleaning process, stay tuned and continue reading!

Can you Use an Air Compressor to blow out the AC Drain Line?

People often wonder whether or not they can use air compressors to blow out the AC drain line. Yes, you can definitely use sir compressors to blow out the AC drain line. In fact, it is a commonly used and effective method to clean the AC drain line. 

AC drain line is also called a condensation drain. It is an essential part of your AC system, allowing you to drain away the condensed water. Proper cleaning and maintaining the AC drain line is crucial for efficiently working your AC. For this, you can use your air compressor. But here comes an important question, “How to blow out the AC drain line with air compressor?” To find out this keep reading!

How to Blow Out AC Drain Line With Air Compressor – 6 Simple Steps

How to blow out AC drain line with air compressor is an important query. So, here is our tried and tested six-step guide to help you clean your AC drain line: 

Step 1: Turn off the Power

The first and most important step to blow out the AC drain line with the air compressor is to turn off the power. This step is important to ensure your safety. So, before you start the process of cleaning or blowing, make sure the power of your air conditioning system is off. It will keep you protected from any unexpected hazard. You can easily turn off the power of the air conditioning system by locating the circuit breaker and flipping it in the off position. 

Step 2: Find the Location of the Evaporator

After you have turned off the power supply, it is time to locate the evaporator. The evaporator coil is the part of the air conditioning system where condensation happens. This part is usually located near the unit’s fan. However, it may be located above or below the furnace spending on your system. You can use the user’s manual if you have difficulty locating the evaporator. 

Step 3: Locate the Drain Line

The next step is to locate the drain line. It is usually attached to the drain pan. This is basically a pipe that comes out of the bottom of the evaporator coil. Drain line functions to take away the condensation produced by your AC system. If it gets blocked, it can cause damage to your air conditioning system. So, properly cleaning it is also important. 

Step 4: Remove Water from the Pan

After locating the drain line, it’s time to remove water from the pan. Before starting the blowing process, removing water from the pan is always a good idea. This standing water can cause trouble in your process of blowing the air conditioning system. So, removing the standing water will help you perform the cleaning process efficiently. 

Step 5: Attach and Run the Air Hose

Now here comes our most important step. After removing the standing water, attach the air hose to the drain line. Make sure you have tightly attached the air hose to the drain line. After attaching the air hose to the drain line, it’s time to run the air hose. Now, turn on your air compressor and let it blow out the drain line of your air conditioning system. Keep your air compressor running until the drain line is completely clean. 

Step 6: Check the Drain Line

The last step of blowing out the drain line of the air compressor is to check the drain line. After twitching your air compressor off, make sure to check the drain line. Check whether or not the drain line is properly cleaned. You can do so by pouring some water. If the water drains out, it means the drain line is now cleaned. However, if water does not flow properly, you must repeat the process. 

Pro Tips for Maintaining Drain Line Clean

  • Besides cleaning your air conditioning system, proper maintenance is also very important. Air conditioning is an expensive equipment, and thus, it requires proper care. So, here are some pro tips to keep your air conditioning drain line clean for long times: 
  • Use a drain line filter. Simply buy the filter and fit it properly in the drain line of your air conditioning system. This filter will help keep the drain line clean and save time and cleaning efforts. 
  • Place some plants in the area of your air conditioning system. The plants will extract extra moisture and prevent the drain line from clogging. 
  • Regularly check the drain line for any leaks and fixes. It will help you to make immediate repairments saving your efforts and money from wasting on big damages. 
  • With the drain line, also check and regularly clean the unit’s line. Make sure to properly drain and clean the unit’s line for long-term maintenance. 
  • Make sure to have professional assistance for proper cleaning and maintenance. It will give you long-term results and increase the efficiency and performance of your AC system. 

Let’s Wrap It Up!

In conclusion, it is important to know how to blow out AC drain line with air compressor. Knowing this, you can ensure the effective performance of your air conditing system. Moreover, you can also save money from spending on costly cleaning services. Our guide has provided you with six simple and easy-to-follow cleaning steps. Each step is convenient and important to follow. So, if you have missed any step, then go back and read it thoroughly to attain maximum results. 


  • Can You Use Vinegar for the AC Drain Line?

Yes, you can use vinegar for the AC drain lines. Using vinegar once every month for cleaning will keep the AC drain lines clean and unclogged. 

  • How Do I Know if My AC Drain Line is Clogged?

The most prominent sign of a clogged AC drain line is water leaking around the system. So, if you notice any water leaking around the air conditioning system, don’t ignore it. 

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