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Common Commercial AC Problems and How to Fix Them

Common Commercial AC Problems and How To FIx Them

TLDR: In Alabama’s scorching summers, having a reliable commercial AC system is essential for maintaining a comfortable environment. However, issues like inadequate cooling, unusual noises, frequent cycling, water leaks, high energy bills, and poor air quality can disrupt operations. Regular maintenance, including cleaning filters, checking refrigerant levels, and inspecting ductwork, helps prevent these problems. For businesses in Muscle Shoals, Price Heating and Air offers expert AC maintenance and repair services to ensure consistent cooling and optimal comfort year-round.

A reliable air conditioning system is a real lifesaver during an Alabama summer. Whether running errands or shopping, the heat can quickly become unbearable under the open sun. That’s why 94% of all Alabama buildings have multiple AC units.

They transform commercial spaces into cool havens where you can hide from the relentless heat and sun. These AC systems often operate at full capacity to effectively cool large commercial areas. However, this continuous use can sometimes lead to breakdowns. When this happens, you must figure out what’s wrong and how to repair it quickly.

Let’s discover the most common commercial AC problems and how to fix them. By addressing issues such as inadequate cooling, strange noises, and frequent cycling, you can keep your commercial AC system running smoothly and maintain a comfortable environment for everyone.

  1. Inadequate Cooling

Inadequate cooling is one of the most common issues in commercial air conditioning systems. Symptoms often include uneven temperatures and hot spots within the building. One of the primary causes is dirty air filters. AC filters catch a lot of dirt particles that build up and restrict airflow through the system. Regularly replacing or cleaning air filters will maintain optimal airflow and improve the AC’s cooling performance.

Another potential cause of inadequate cooling is refrigerant leaks. If the system has a refrigerant leak, it cannot effectively cool the air, leading to higher temperatures inside the building. It’s essential to regularly inspect the system for leaks and repair them promptly to restore proper cooling functionality.

A faulty thermostat can also cause uneven or diminished cooling. If a thermostat is not calibrated correctly or has malfunctioned, it might not accurately measure the indoor temperature or signal the system to cool appropriately. In such cases, calibrating the thermostat or replacing it can resolve the issue.

  1. Unusual Noises

If you notice unusual or loud sounds coming from your commercial AC, such as banging, rattling, or squealing, it often signals underlying issues that need attention. Banging or clanking sounds usually mean there are broken or loose components inside the system. These could be anything from a loose bolt to a dislodged fan blade. Addressing this involves a thorough inspection to identify and tighten or replace any loose components.

Squealing noises typically indicate worn-out belts. When the belts degrade, they lose tension or even snap. Replacing these belts will fix the noise issue and prevent additional system damage. Motor issues can also produce unusual sounds. A failing motor might emit a grinding noise or other irregular sounds. If you suspect motor problems, it’s best to service or replace the motor to avoid system failure. Always consult a professional HVAC technician for accurate diagnosis and repair to keep your commercial AC running smoothly.

  1. Frequent Cycling

This is a common issue in commercial air conditioning systems where the unit turns on and off too often. This problem can stem from several causes. First, thermostat issues are a frequent culprit. When the AC’s thermostat is calibrated incorrectly or malfunctioning, it will misread the temperature and tell the AC to cycle more than necessary. Recalibrating or replacing the thermostat often resolves this issue.

Overheating is another cause of frequent cycling. Components such as the compressor or fan motor may overheat, triggering the AC unit to shut down to prevent damage. An AC that’s the incorrect size for the space it’s supposed to cool can also cycle frequently. A unit that’s too big for the space cools the area momentarily and then shuts off, only to restart shortly after. 

A unit that’s too small won’t be able to meet the cooling demand, causing it to cycle frequently. Consulting with an HVAC professional can help determine if your unit is the right size and recommend adjustments or replacements if necessary.

  1. Water Leaks

You often notice this problem when you see puddles forming around the AC unit. These leaks typically stem from a few common issues. Blocked drainage pipes are one of the main culprits. When these pipes clog, water backs up and spills over. Regularly inspect and clear any blockages to prevent this.

Another frequent cause is frozen evaporator coils. These coils can freeze due to low refrigerant levels or poor airflow, leading to water dripping as the ice melts. Thawing the coils and checking for underlying causes like refrigerant leaks or dirty air filters can mitigate this problem.

Another source of water accumulation is a broken condensate pump. The pump moves condensation from the unit to an appropriate drainage location. If it fails, water has no option but to start leaking. Regularly inspect the pump to see if it’s in working order and immediately replace it if it’s broken.

  1. High Energy Bills

Several factors could be at play when you notice unusually high electricity costs. One major cause is inefficiency due to poor maintenance. If you neglect regular upkeep, components such as filters and coils become dirty, forcing the system to overwork and use more electricity.

Another issue could be leaking ducts, which allow conditioned air to escape and unconditioned air to enter, making your system run longer to maintain the desired temperature. To address these issues, implement a regular maintenance schedule that includes:

  • Checking refrigerant levels
  • Inspecting coils and ductwork
  • Cleaning or replacing filters

Regular maintenance can prolong the lifespan of your equipment. Sealing leaks in the ductwork is another effective measure. Use mastic sealant or metal tape to close gaps or holes, allowing the air to flow smoothly through the system. 

For outdated ACs, the best option is to invest in a new, energy-efficient model. Modern units often feature advanced technologies that significantly reduce energy consumption.

  1. Poor Air Quality

You might notice visible dust in the air or unpleasant smells wafting through the space. When filters accumulate too much dirt, they can no longer effectively trap particles, allowing them to circulate freely.

Mold or mildew within the system is another frequent cause. These can form in areas with moisture buildup, releasing spores and foul odors. Poor ventilation can exacerbate air quality issues by failing to properly circulate fresh air into the building. To address these problems, start by:

  • Replace or clean air filters regularly. This simple step can significantly reduce airborne dust and improve overall air quality. 
  • Focus on cleaning and sanitizing ducts and other components of the AC system. This involves removing mold or mildew, which improves air quality and prevents potential health issues. 
  • Improve the ventilation inside the commercial space by maintaining a consistent influx of fresh air, reducing the concentration of indoor pollutants.

Stay Cool Year-long in Muscle Shoals, AL

Common commercial AC problems include foul smells, loud noises, and inconsistent cooling. These issues disrupt your work environment and can drive away potential customers or clients. To keep your commercial AC in the best shape for consistent cooling, contact Price Heating and Air in Muscle Shoals, Alabama. We are always available to provide reliable AC maintenance and repair services.

Our expert technicians will keep your cooling system operating efficiently and consistently, creating a comfortable environment for employees and clients. With our prompt response times, clear communication, and commitment to customer satisfaction, we are a trusted partner for your commercial HVAC needs.

Don’t let AC problems impact your business—reach out today for top-notch service! 

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