Understanding the Dangers of Using an Old Air Conditioner

image of an old air conditioning unit that needs an AC unit replacement

Air conditioners are significant investments, so homeowners try and use them as long as possible. However, negative experiences may happen when you use them beyond their prime years. Owners must be diligent in the upkeep of these machines to extend their lifespan. They should also learn of their mechanical limits. Inevitably, an air conditioner replacement is required even with the most diligent maintenance schedule. Keep reading to learn of the dangers of using an old air conditioner.

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Understanding the Dangers of Using an Old Air Conditioner

This article explores several hazards when using an old air conditioning unit.

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Bacterial Infections

Air conditioners are popular in hot and humid areas. They lower your home’s temperatures and relative humidity, giving you long-term relief from outside weather conditions. Air conditioners make the hot months bearable, but they aren’t invincible to the environment. The moisture and heat inside them encourage bacteria to grow.

Most microorganisms multiply on air filters, but a few can be found deep within the units. Bacteria can spread throughout the house via the ducts. These can infect your household. Routine cleaning may not resolve the problem in old units, so a fresh start with a new air conditioner is better.

Respiratory Health Risks

image of a homeowner experiencing asthma due to using an old ac unit at home

People’s immunity levels vary. Some don’t get sick even though they are repeatedly exposed to allergens and pathogens. On the other hand, some individuals will experience symptoms immediately. Family members afflicted with asthma and bronchitis are also more vulnerable to these hazards. Air conditioners block airborne particles like dirt, dust, pollen, and dander to help improve air quality. However, old air conditioners are less efficient in doing this task. The ductwork may also have hidden leaks letting unwanted particles inside the system. This, in turn, spreads them around your home. Replacing your air conditioner is best if repeated cleaning doesn’t stop the symptoms.

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Sick Building Syndrome

Buildings have unique characteristics. It isn’t only their architecture or interior design that you should look into, but also the feeling you get when you walk inside them. Some buildings will make you happy and relaxed, while others will make you feel sick and lethargic. The phenomenon is called “sick building syndrome.” It can be highly detrimental to businesses because workers will suffer from high turnover and low productivity. Homeowners should be careful about developing this condition. If your family keeps getting sick, you may have poor air quality because of an old air conditioner. Get an air conditioner replacement to feel the difference.

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Increased Risk of Fire

image of an air conditioner on fire

Old air conditioners tend to have worn-out components and frayed wires. Forcing them to work despite the degradation only leads to problems. Heat may accumulate in the system’s interior until it reaches a dangerous level. Exposed wires can result in a short circuit. It may also cause a fire that will damage your home. Remember that once a fire starts, it may spread too fast. The best way to deal with fire is to prevent them from happening. Get rid of hazards like old air conditioners.

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Danger to Ozone Layer

Standards for modern home appliances offer great protection from dangerous chemicals. It didn’t use to be like this. Many decades ago, low standards resulted in the use of volatile substances like refrigerants. These chemicals turned out to be a hazard to the environment. They cause high UV radiation levels to enter the atmosphere and destroy the ozone layer. Old air conditioners and refrigerators contain these refrigerants. Governments banned these chemicals, so leak issues in aging systems can no longer be solved. You should replace your old unit with a modern air conditioner with safe and eco-friendly refrigerants.

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High Energy Bills

image of a homeowner calculating bills from cooling

High energy usage of your old air conditioner is another reason to get a replacement. Past models already had low efficiency from the start and further deteriorated as they aged. You shouldn’t have to dread getting your monthly energy bills. Modern air conditioners consume only a fraction of your old cooling unit’s electricity. Replacing your AC with a new model will instantly reduce your bills and justify the installation cost. If you have neighbors or friends who recently bought new air conditioners, ask for their feedback on prices and savings. They can give you the figures to convince you to get a replacement.

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Poor Air Conditioner Performance

Old air conditioners may not provide you with the cooling performance you want. They don’t have the power to produce sufficient cool air for the house. They may only be enough to cool some rooms but not others. It isn’t ideal if you are in one of the hotter rooms. You may need to move to a cooler room to get relief from the summer heat. However, this isn’t always possible, and it is also inconvenient. This issue won’t improve, and you can only expect your system’s performance to worsen over time. The only solution is to get a replacement air conditioner for your aging one.

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Frequent Cooling System Failures

air conditioner repair near me

Old HVAC units aren’t reliable. They fail to provide the cooling you need when you need it the most, such as during the hottest day of the summer season. Old air conditioners may not be able to lower the temperature inside your home and bring you comfort. They may even fail and break down. These problems may crop up more often over time. Booking repairs can take several days, leaving your family vulnerable to the heat. There is also an increased chance of heat stroke for young children, pets, and older people. Ensure that you get a more reliable home air conditioner.

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Costly Air Conditioner Repairs

It isn’t just annoying when the cooling system breaks down. They are also expensive. Old air conditioners possibly have several defective components, including crucial ones. The cost of frequent breakdowns can quickly pile up. It is better to spend money on purchasing a new air conditioner. This way, you can enjoy stress-free ownership because it is fresh from the factory and is under warranty. Be diligent with HVAC tune-ups so you will not require repairs for many years.

Related Article: 7 Steps On How To Unfreeze Your AC Coils


Everything has limits, even air conditioners. These machines may have long lifespans, but they eventually must be replaced. Some apparent signs are poor system performance, high energy bills, persistent health issues, and frequent breakdowns. When you keep using an aging unit, it will come with hazards that cannot be ignored. It can be more expensive than what you’re trying to avoid. Make the right choice for your family. Buy a replacement air conditioner and enjoy a fresh start.

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Point Bay Fuel is the leading provider of heating and cooling services in Ocean County and Monmouth County, New Jersey. Our professionally certified and highly skilled technicians specialize in HVAC installations, repairs, tune-ups, and replacements. Count on us to deliver top-quality services to all our clients. 

At Point Bay Fuel, we know the importance of a comfortable and energy-efficient home. This is the reason we provide affordable pricing for our services. Our maintenance services can help improve comfort and lower energy expenses. If you need to repair or replace your HVAC system, our knowledgeable technicians can recommend the best option while staying within your budget. We offer a satisfaction guarantee for all our work.

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