Common HVAC Problems and Solutions: Expert Advice from The Chill Brothers

Your HVAC system is integral to keeping your home comfortable when the temperature outside starts to get too high or low. However, like any system made up of many complex parts, HVAC systems can experience issues, and they often do. It can be a very frustrating experience dealing with an HVAC problem, especially if it is during a time when you need cooling or heating services the most. From inconsistent cooling to bad airflow, the potential list of problems you might have to face is long.

In this article we will look at some of the most common HVAC problems homeowners face, and their potential solutions.

Source of the Problems

The reasons behind a malfunctioning HVAC system can be many. Something could have gone wrong during the installation process that only makes itself known later on in the machine’s life, or there might have been an issue in the very beginning when the AC was being assembled at the factory. Both of these complications are outside your ability to control, but what isn’t is the regular maintenance of your system. The lack of regular maintenance is the single biggest source of most problems that people have with their HVAC systems. It gives small issues within the unit the chance to grow into something bigger that can cause a breakdown and shorten your HVAC system’s lifespan considerably. So be smart, and be proactive when it comes to taking care of your cooling and heating units.

Malfunctioning Thermostat

The thermostat keeps track of the indoor temperature and uses that information to run the AC and adjust the temperature accordingly. If your thermostat isn’t working properly, it’s unlikely that you’re going to have a pleasant cooling experience.

The most obvious solution is to check whether the thermostat is set to the right temperature and refer to its manual if needed, as there could’ve been a problem with the programming. If the thermostat runs on batteries, replace them. Dirt and grime on the thermostat’s sensors can lead to incorrect readings as well.

If your thermostat is old, consider upgrading to a smart thermostat that will help you get a superior cooling experience and save energy too.

Poor Airflow

It’s no secret that your HVAC system relies heavily on proper airflow throughout your house to be able to do its job, and poor airflow can lead to many problems like uneven cooling. The most common cause behind bad airflow is dirty air filters. Your air conditioner or heater’s filters get dirty very quickly, but are also very easy to clean or replace which you should do regularly to maintain optimal performance.

Blocked vents and ducts can be the culprit too. Make sure that any vents in your house are not blocked by furniture, and that the ducts are not obstructed by dust build-up or insect nests.

Uneven Cooling

Perhaps the most common AC-related problem faced by people, uneven cooling can happen due to numerous reasons. Congested air filters, leaky ducts, poor insulation, or low refrigerant levels are some of the possible causes. Having the right amount of refrigerant in the AC’s system is crucial for effective cooling, so get it checked and charged if needed by expert technicians. All the cooling your AC is doing can go to waste if your house has poor insulation, so take preventive measures like adding more insulation to the windows, walls, attic, etc.

All that said, it could be that your air conditioner is just an old machine that is struggling to keep up with present-day demands. Consult with an experienced company like The Chill Brothers to determine whether you need an upgrade, and what would work best for your needs.

Faulty Compressor

The compressor is often referred to as the heart of the HVAC system, and for good reason as it is responsible for compressing the refrigerant which is a critical part of the heat transfer process. If your AC’s compressor is malfunctioning or fails completely, it can cause hot air to blow from your AC or no cooling at all. Overheating, refrigerant leakage, and electrical faults can all lead to compressor problems.

Regardless of whether you are getting your compressor fixed or replaced, the task should always be done by a qualified HVAC technician as it involves a very complex component. Trying to tinker with any internal part of the AC in general can jeopardize your safety.


HVAC problems can be a hassle to deal with, but they are inevitable. That said, there are things you can do to minimize your chances of having to get your AC repaired. It’s a smart decision to get your heating and cooling system a thorough check-up by an expert technician at least twice annually. Commercial HVAC services can be expensive, but they are a worthy investment, and much cheaper than having to replace a major part or replace the system entirely which you might have to do if you ignore regular maintenance. Once a problem has appeared, it’s too late to worry about what you could’ve done differently. Your only course of action should be to deal with it quickly, as delaying a repair will only make things worse. 

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