Common Signs That Your Air Conditioner Needs Repair or Replacement

Maintenance,,air,conditioner,and,hands,of,man,with,screwdriver,workingAs the hot summer months approach, keeping your home cool and comfortable becomes a top priority. Your air conditioner plays a vital role in maintaining a pleasant indoor environment, but like any other appliance, it may require repair or replacement over time. In this blog post, we will discuss some common signs that indicate your air conditioner is in need of professional attention.

1. Weak Airflow

One of the most noticeable signs of a struggling air conditioner is weak airflow. If you notice that the air coming out of your vents is not as strong as it used to be, it could indicate a problem with your AC unit. Weak airflow can be caused by a clogged air filter, a faulty fan motor, or even ductwork issues. It is crucial to address this issue promptly, as stagnant air can lead to discomfort and reduced indoor air quality.

2. Warm Air

If your air conditioner is blowing warm air instead of cool air, it is a clear sign that something is not right. There are several potential causes for this problem, including a refrigerant leak, a malfunctioning compressor, or a faulty thermostat. While some issues can be resolved through repair, others may require a full system replacement. Consulting with an HVAC professional will help you determine the best course of action.

3. Excessive Noise

Air conditioners are designed to operate quietly, so if you notice unusual or excessive noise, it is a red flag. Grinding, banging, or squealing noises may indicate worn-out or loose components, such as belts or fan blades. Ignoring these sounds can lead to further damage and potentially result in a complete system breakdown. A professional technician can diagnose the source of the noise and perform the necessary repairs or replacements.

4. High Energy Bills

A sudden increase in your energy bills without a corresponding increase in usage can be a sign that your air conditioner is not functioning efficiently. Several factors can contribute to this, such as an aging system, leaky ductwork, or inadequate insulation. In some cases, it may be more cost-effective to replace your old unit with a new, energy-efficient model to reduce your long-term energy expenses.

5. Frequent Breakdowns

If you find yourself repeatedly calling for AC repairs, it may be a strong indication that your system is on its last legs. As air conditioners age, they become more prone to breakdowns and malfunctions. Continuously investing in repairs for an outdated system may end up costing you more in the long run than investing in a new, reliable air conditioner.

6. Foul Odors

Unpleasant odors coming from your air vents can be a sign of mold or other contaminants in your system. These odors can not only make your home smell unpleasant but can also have a negative impact on your indoor air quality and health. It is recommended to have a professional inspect and clean your air conditioner to eliminate any potential hazards.

7. Age of the System

The lifespan of an air conditioner typically ranges from 10 to 15 years. If your unit is nearing or has exceeded this average lifespan, it may be time to consider a replacement. Older units tend to be less energy-efficient, have outdated technology, and require more frequent repairs. Investing in a new air conditioner will not only provide better comfort but also save you money on energy bills in the long run.


Recognizing the signs that your air conditioner needs repair or replacement is essential to maintain a comfortable and efficient home. Weak airflow, warm air, excessive noise, high energy bills, frequent breakdowns, foul odors, and the age of the system are all indicators that your AC unit requires professional attention. Consulting with an experienced HVAC technician can help you assess the condition of your air conditioner and determine the best course of action to ensure optimal performance and longevity.

Got Questions? Let Us Help!

Keep cool or stay warm with Ashley Brothers Heating & Cooling. Since 1999, Ashley Brothers have been providing residential and commercial services to the St. Louis and Jefferson County area. We specialize in the installation of new equipment, heating and cooling repair, and furnace cleaning. Craftsmanship is important, equipment choice is too. We work with only top brands like Amana, Goodman, York, and McLain. It is understandable that replacing or upgrading your equipment can be daunting. Ask us about financing. We repair all heating and cooling equipment brands. Heating and cooling repairs can happen at random, take advantage of our 24-hour emergency service. Call us today about your concerns.

How Does Humidity Affect Air Conditioning Systems?

How Does Humidity Affect Air Conditioning Systems?

When it comes to maintaining a comfortable indoor environment, air conditioning systems play a crucial role. They help regulate the temperature and humidity levels, ensuring a pleasant atmosphere for everyone. While most people are aware of the importance of temperature control, the role of humidity in air conditioning systems is often overlooked. In this blog post, we will discuss how humidity affects air conditioning systems and why it is essential to manage humidity levels for optimal comfort and efficiency.

Understanding Humidity Levels

Before diving into the impact of humidity on air conditioning systems, it’s important to understand what humidity levels are. Humidity refers to the amount of moisture or water vapor present in the air. It is measured using a metric called relative humidity (RH), which represents the percentage of moisture in the air relative to the maximum amount it can hold at a particular temperature.

Ideal indoor humidity levels typically range between 30% and 50%. Anything below 30% can result in dry and uncomfortable conditions, while levels above 50% can lead to a sticky and clammy environment.

Impact on Cooling Efficiency

Humidity can have a significant impact on the cooling efficiency of air conditioning systems. When the air is moist and humid, it feels much warmer than it actually is. This is because the moisture in the air prevents sweat from evaporating off our skin, making us feel hotter.

To combat this, air conditioners not only cool the air but also dehumidify it. When humid air passes through the air conditioning system, the evaporator coil cools the air, causing moisture to condense and collect in the condensate drain pan. This process helps lower the humidity levels and improve overall comfort.

However, excessive humidity can strain the air conditioning system, making it less efficient. When humidity levels are too high, the system needs to work harder and run for longer periods to remove moisture from the air. This not only increases energy consumption but also puts additional wear and tear on the system, potentially leading to premature breakdowns and costly repairs.

Effect on Indoor Air Quality

Humidity levels can also have a direct impact on indoor air quality. High humidity creates a favorable environment for the growth of mold, mildew, and other allergens. These pollutants thrive in damp conditions and can contribute to respiratory issues and allergies. Additionally, high humidity levels can cause musty odors and promote the spread of bacteria and viruses.

Air conditioning systems help combat these issues by removing excess moisture from the air. By maintaining appropriate humidity levels, air conditioning systems effectively reduce the presence of allergens and improve indoor air quality, creating a healthier environment for occupants.

Managing Humidity Levels

To ensure proper humidity control, consider the following measures:

1. Size your air conditioning system correctly: An overly large or undersized system may not effectively manage humidity levels. Ensure that the system is properly sized for your space by consulting with a professional HVAC technician.

2. Set the thermostat to the appropriate fan setting: Most thermostats have an “auto” and a “on” setting for the fan. Using the “auto” setting will allow the air conditioner to cycle the fan as necessary, helping to dehumidify the air more effectively.

3. Use a dehumidifier: In spaces with persistent high humidity, such as basements or areas with poor ventilation, a standalone dehumidifier can be used in conjunction with the air conditioning system to manage moisture levels.

4. Regular maintenance: Schedule routine maintenance for your air conditioning system to ensure it is operating at peak performance. This includes cleaning or replacing air filters, inspecting and cleaning the evaporator coils, and checking the condensate drain line for any blockages.


Humidity plays a vital role in the operation of air conditioning systems and the overall comfort of indoor environments. Excessive humidity puts strain on the system, reduces cooling efficiency, and negatively impacts indoor air quality. By understanding the effects of humidity on air conditioning systems and implementing appropriate measures to manage humidity levels, you can optimize comfort, energy efficiency, and indoor air quality. Consult with a professional HVAC technician to ensure your system is properly sized and maintained for optimal performance.

Why is My Air Conditioner Leaking Water?

Why is My Air Conditioner Leaking Water?

When summer’s heat strikes, having an air conditioner in your home becomes essential. It cools your space and provides relief from the scorching temperatures. However, if you notice water coming out of your AC unit, you might start to worry. A leaking air conditioner can be a cause for concern and indicate an underlying problem. In this blog post, we will explore the reasons why your air conditioner may be leaking water and what you can do about it.

1. Clogged Condensate Drain Line

One of the most common causes of AC leaks is a clogged condensate drain line. As your air conditioner cools the air, condensation forms on the cooling coils. This condensation is collected and funneled away through a drain line. Over time, dust, dirt, algae, and debris can build up in the drain line, causing a blockage. When this happens, the condensate water has nowhere to go and starts to leak out of your unit. To resolve this issue, you can try using a wet-dry vacuum to clear the clog. If the clog is severe, it’s best to contact a professional HVAC technician for assistance.

2. Improperly Installed or Damaged Drain Pan

The drain pan located beneath the air conditioner is responsible for collecting and channeling the condensate water to the drain line. If the drain pan is not installed correctly or is damaged, water can leak out. Inspect the drain pan for any cracks, holes, or misalignments and replace it if necessary. It’s always a good idea to have an HVAC technician inspect and fix the issue to ensure proper installation and prevent future leaks.

3. Low Refrigerant Levels

Refrigerant is the substance that cools the air in your AC unit. If your air conditioner is low on refrigerant, it can cause the evaporator coil to freeze. When the ice melts, it can overwhelm the drain pan, leading to water leakage. Low refrigerant levels may be due to a leak in the system, which should be addressed by a certified HVAC technician. They will be able to identify the source of the leak, repair it, and recharge the refrigerant to the appropriate levels.

4. Dirty or Blocked Air Filters

Air filters are responsible for trapping dust, dirt, and other particles, ensuring clean air circulation within your home. Over time, these filters can become dirty and clogged, obstructing airflow and causing the evaporator coil to freeze. When the coil thaws, excess water can overflow the drain pan, resulting in leakage. Regularly cleaning or replacing your air filters can prevent this issue and improve the performance and efficiency of your air conditioner.

5. Improperly Sized AC Unit

An air conditioner that is too large for the space it is cooling can lead to short cycling. This means that the AC turns on and off frequently without completing a full cooling cycle. Short cycling can cause the evaporator coil to become too cold and freeze. When the coil finally thaws, excess water is produced, overwhelming the drain system and causing leaks. Ensuring that your air conditioner is properly sized for your home will help prevent this issue.

6. Blocked or Obstructed Condensate Drain Line

In addition to the drain line becoming clogged with debris, it can also become blocked or obstructed by other factors. For example, if the drain line is incorrectly installed, it may be positioned in a way that causes it to become pinched or bent, preventing water from flowing freely. Additionally, if there is a buildup of dirt, algae, or mold inside the drain line, it can cause a blockage. Regularly inspect the drain line for any obstructions or improper installation and clean or repair as necessary.

7. Excessive Humidity

High humidity levels can cause elevated levels of condensation on the evaporator coils. If your area has consistently high humidity, it can overload the drain system and lead to leaks. Consider using a dehumidifier in conjunction with your air conditioner to help remove excess moisture from the air and alleviate strain on the AC unit.

Final Thoughts

If you notice water leaking from your air conditioner, it’s essential to address the issue promptly to prevent further damage and potential mold or mildew growth. While some of these issues can be resolved with basic maintenance, it’s always advisable to contact a professional HVAC technician for a thorough inspection and repair. We have the expertise and knowledge to diagnose and fix the problem, ensuring your air conditioner operates efficiently and effectively throughout the summer months. Contact us today to learn more about what we can do for you!

8 Sounds Your AC Unit Makes, the Cause, and the Fix

Air conditioning units normally produce a mild level of sound. However, strange sounds can indicate the need for repairs. The following are eight sounds your AC system might make and what they mean. 

1. Bubbling

Bubbling is one of the sounds an AC unit makes when a problem exists in the drainage pipes. A pipe may have a crack, hole, or other imperfection that allows air and water to get through. To find the problem, you will need to take your AC unit apart to expose the crack or hole. Contacting a certified specialist is best if you need draining line work. 

2. Hissing

Your HVAC system might hiss in protest if you use a filter that isn’t compatible. You might also hear hissing if your air duct is leaking. You can change the air filter yourself if you can find the right part and gain access to where you place it. The ductwork may not be that easy to do by yourself and should probably be handled by a professional. 

3. Clicking

Hearing some clicking sounds from your AC unit is entirely normal. However, continuous clicking might mean your thermostat is going bad. A skilled specialist most effectively handles this complex procedure. 

4. Humming

Humming noises usually occur when electrical problems exist. Thus, you might hear your unit hum if you have a defective relay switch. Your thermostat can also be faulty, and replacing it isn’t a very easy task. An expert may be much more suitable to do the job than you. 

5. Rattling 

Rattling noises can be major or minor. They can happen when sticks and other objects fall into the system. However, they can also occur if you have a defective part or loose fasteners. 

6. Buzzing

Buzzing can come from several components, but the fan is the most common culprit. This sound can also occur if you have dirty condenser coils or loose parts. You can inspect the AC unit and search for visual signs or contact a professional to inspect it for you. 

7. Banging

A banging noise is never a good sign, and it usually means your compressor is on its way out. In some cases, it can mean that certain parts have come loose. If this is the issue, you will most likely need someone to replace the compressor. In the worst-case situation, you might need to replace your whole unit. This result is likely if your system is more than 15 years old.  

8. Screeching

Blower fan motors are notorious for making screeching sounds. Bad bearings in the fan motor can also create this sound. 

You now know most of the sounds that can come from your HVAC system. Staying on the right schedule with your maintenance can prevent some of these issues from occurring. Having someone check your system periodically will expose minor problems when they arise, and you’ll be able to fix them more speedily. 

Get in touch with a trustworthy group of HVAC specialists if your AC is making a hissing noise, and you can ensure that your unit makes fewer strange sounds moving forward.  

Why Not To Service Your Own Air Conditioner

An air conditioner is something that many people rely on to make their homes comfortable and livable during the warmer months. That being said, with a system you use very often, like the air conditioner, it often becomes necessary to work on it and get it back in great shape. The real question is, should you do the work yourself, or get a professional to do the work. Keep reading to find out.

How To Service My Own AC Unit

The biggest issue with this is that when you are doing major repairs or doing a great deal of work on a system that you might not be used to working on, you may cause more damage than good. In cases of major repair like parts replacement, repairing broken parts, replacing belts and so on, it can be very dangerous for you to try to do the work yourself if you are not a professional.

If you do work with HVAC units, then you may very well be able to do the work. For those that might not have the experience or the tools, it is best to stick to things like changing out filters and things that do not take much effort or skill.

Can I Service My AC Myself?

Put simply, yes, you can attempt to service your AC yourself. Unless you are a professional that does work with HVAC units, it is not a great idea to attempt any major repairs on your own. When it comes to a very complicated repair or a system that is a bit difficult, it can be hard to do the work yourself. There is a chance that if you attempt repairs on your own you can cause more damage to your unit and your system.

It can be difficult to wait and get the help of a professional. However, it is important that when you are dealing with very large repairs or very difficult repairs to talk with a professional to get the repairs done. Another issue that you might come up against is that there is the potential that you may get yourself hurt trying to do your own AC services, and you may end up having to go without cool air you can get a professional in to complete the repairs and get your system back up and working again.