7 Warning Signs Your AC Needs a Professional Tune-Up

Hickory Heating and Cooling

When your air conditioner isn’t running like it used to, it’s crucial to spot the signs that it might need a professional check-up. Are you experiencing weak airflow, or is your unit making strange noises like rattling or banging? Maybe you’ve picked up on unpleasant smells, frequent cycles turning on and off, or even higher humidity levels in your home. Rising energy bills and water leaks around the unit are also warning signs that shouldn’t be ignored. Each problem indicates underlying issues that could worsen if left unaddressed. So, what exactly should you be looking for?

Weak Airflow

If you notice weak airflow from your AC vents, it might be time for a tune-up. One common cause is damaged ducts. Over time, ducts can develop cracks or holes, allowing air to escape before reaching your living space. This reduces airflow and makes your system work harder, increasing energy costs.

Another issue to consider is blocked vents. Furniture, curtains, or even a buildup of dust can obstruct vents and restrict airflow. Make sure nothing is blocking them to keep air moving efficiently.

Dirty filters are another frequent culprit. Filters trap dust, pollen, and other airborne particles, but they get clogged if not replaced regularly. A clogged filter limits the air that can pass through, diminishing airflow and making your AC less effective.

Fan issues can also lead to weak airflow. If the fan motor is malfunctioning or the fan blades are dirty or damaged, the system won’t circulate air properly.

Lastly, low refrigerant levels can compromise your AC’s cooling ability. When refrigerant is low, the system struggles to cool the air, affecting overall airflow. Checking and maintaining proper refrigerant levels ensures your AC runs efficiently.

Unusual Noises

Strange sounds from your AC unit can be an early warning sign that it needs a tune-up. There might be loose parts inside the unit if you hear rattling, clanking, or banging noises. If ignored, these loose components can cause significant damage. Another common issue is fan problems. A faulty fan can produce grinding or squealing sounds, indicating that it’s vital to operate correctly.

Motor problems are another culprit behind unusual noises. When the motor is malfunctioning, you might hear humming or buzzing sounds, which can signal that the motor’s on the verge of failing. It’s crucial to address motor issues promptly to prevent a complete breakdown.

Debris buildup inside the AC unit can also contribute to strange sounds. When debris accumulates, it can obstruct the fan or other moving parts, causing them to make unusual noises. Regular cleaning and maintenance can help prevent this problem.

Additionally, bearing failure is a serious issue that often manifests through loud, persistent noises. Bearings are important for the smooth operation of the motor and fan. If you hear high-pitched squeals or grinding, it could indicate bearing failure, requiring immediate professional attention.

Ignoring these sounds can lead to more severe damage and costly repairs, so don’t hesitate to call a professional for a tune-up.

Foul Odors

While unusual noises can alert you to mechanical issues, foul odors from your AC unit are another clear sign that it needs immediate attention. If you notice a musty smell, it could indicate mold growth inside the unit. Mold thrives in damp environments and can spread through clogged filters, affecting the air quality in your home.

A sour or pungent odor may point to bacterial buildup in the system. Bacteria can accumulate on dirty coils and other components, creating unpleasant smells. Regular cleaning and professional maintenance can help prevent this issue.

Sometimes, a burning smell could mean that the electrical components are overheating or that there’s dust burning off the coils. Either way, it’s a sign that you should immediately call a professional.

Another possible cause of foul odors is pest infestation. Small animals or insects can get trapped inside the unit, leading to decay and a strong, unpleasant smell.

To keep your home smelling fresh and your AC unit running efficiently, schedule a professional tune-up at the earliest signs of foul odors. Ignoring these smells can lead to more severe problems and costly repairs down the line.

Frequent Cycles

Experiencing frequent cycles in your AC unit is a warning sign that something might be wrong with its efficiency or functionality. When your AC keeps turning on and off rapidly, it’s often called short cycling. This isn’t just annoying; it can lead to higher energy bills and unnecessary wear and tear on your system.

Several issues could cause short cycling. One common culprit is thermostat issues. If your thermostat isn’t correctly calibrated or is malfunctioning, it might signal the AC to shut down prematurely. Another possibility is internal blockage within your system. A clogged air filter or obstructed vents can restrict airflow, causing the unit to cycle more frequently as it struggles to maintain the set temperature.

Low refrigerant levels can also lead to frequent cycles. When refrigerant is insufficient, the AC can’t effectively cool your home, prompting it to turn on and off more often. Finally, sensor problems can disrupt the normal operation of your AC. If the sensors that monitor temperature and humidity are faulty, they might cause the unit to cycle erratically.

Addressing these issues promptly with a professional tune-up can restore your AC’s efficiency and prevent further damage.

High Humidity

High humidity in your home can signal that your AC unit isn’t performing at its best. When your air conditioner struggles, it often leads to excess moisture in the air. This not only makes your living space uncomfortable but can also create condensation buildup on windows and walls. Over time, this moisture can lead to mold growth, which poses health risks.

One common cause of high humidity is thermostat issues. If your thermostat isn’t accurately reading the temperature, your AC might not run long enough to eliminate humidity effectively. Another potential culprit is low refrigerant levels. When refrigerant is low, the system can’t cool the air efficiently, leaving more humidity behind.

Ductwork problems can also contribute to high humidity. Leaks or poor insulation in your ducts allow humid air to enter your home, undermining your AC’s efforts to keep you comfortable.

Addressing these issues often requires a professional tune-up. An expert can check your refrigerant levels, inspect your ductwork for leaks, and ensure your thermostat is functioning correctly. Addressing these problems will improve your AC’s performance and allow you to enjoy a more comfortable, healthier living environment.

Rising Energy Bills

Rising energy bills can indicate that your AC unit needs a tune-up. When your energy costs start climbing unexpectedly, it’s often due to your air conditioning system not operating efficiently. One common culprit is dirty filters, which force the system to work harder and consume more energy. If you’ve been neglecting regular maintenance, these filters can become clogged, reducing airflow and making your AC unit strain to cool your home.

Clogged ducts are another issue that can spike your energy bills. When ducts are blocked, the air can’t circulate properly, causing the system to overcompensate. This increases energy consumption and puts unnecessary stress on your AC unit. Thermostat issues can also play a role. A malfunctioning thermostat may lead to your system running longer than necessary, driving up energy usage.

Refrigerant levels are important, too. Low refrigerant can make your AC run inefficiently, causing it to stay on longer to achieve the desired temperature. This inefficiency translates directly into higher energy bills. Regular professional tune-ups can address these issues, ensuring your system runs smoothly and efficiently. Don’t let maintenance neglect drain your wallet; a timely tune-up can save money and keep your home cool.

Water Leaks

One sign your AC unit needs a tune-up is water leaks around the system. If you notice puddles or damp spots near your AC, it indicates something’s wrong. A common culprit is a clogged condensate drain line. When this gets blocked, condensation buildup can’t drain properly, leading to leaks. Over time, this can cause significant water damage to your home.

Refrigerant leaks are another issue to watch out for. While they typically lead to cooling problems, they can additionally result in excess moisture around the unit. Low refrigerant levels cause the evaporator coil to freeze, and when it melts, you’re left with water pooling around the system.

Ignoring these signs can lead to more severe problems. A clogged condensate line, for instance, can cause the water to back up and overflow, damaging floors, walls, and even the AC unit itself. Regular maintenance can prevent these issues by ensuring the drain line is clear, and adequate refrigerant levels.

Don’t wait until you have significant water damage to address these problems. Schedule a professional tune-up to keep your AC running smoothly and your home dry.

Conclusion

To sum up, don’t overlook your AC’s cries for help. According to the U.S. Department of Energy, addressing issues early can help you save up to 15% on your energy bills. Whether it’s weak airflow, strange noises, or foul odors, scheduling professional tune-ups guarantees that your AC runs smoothly and efficiently. Stay proactive and maintain your AC to enjoy a comfortable, worry-free home environment. Remember, a little maintenance goes a long way!

Frequently Asked Questions

How Often Should I Schedule a Professional AC Tune-Up?
Seasonally, you should schedule professional AC tune-ups to meet warranty requirements, maintain energy efficiency, and follow manufacturer recommendations. Service intervals are typically every six months, ensuring your unit performs at its best year-round.
Can a Dirty Air Filter Affect My AC’s Performance?
Coincidentally, you’re wondering about that. Yes, a dirty air filter can drastically reduce your AC’s energy efficiency, cause airflow issues, lower cooling capacity, and harm indoor air quality. Regular filter replacement is crucial for peak performance.
What Are the Benefits of Regular AC Maintenance?
Regular AC maintenance enhances energy efficiency, extends your system’s lifespan, improves airflow, and guarantees peak performance. You’ll enjoy cost savings on repairs and energy bills while keeping your home comfortable year-round. Don’t skip it!
How Long Does a Typical AC Tune-Up Take?
When you get a typical AC tune-up, expect a technician to work their magic in about an hour. Qualified pros will inspect, tune-up, and provide a cost breakdown, recommending tune-up frequency based on your system’s needs.
Are There Preventive Measures to Avoid AC Problems?
Yes, you can implement preventive measures to avoid AC problems. To keep your AC running efficiently, guarantee proper insulation, adjust thermostat settings, maintain outdoor clearance, schedule regular duct cleaning, and check for vent obstructions.

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How to Maximize Efficiency With a New AC Install in Hickory, NC

by Paula Relentless • 4 September 2025

When installing a new AC unit, most homeowners overlook the significance of choosing the right size for their space. An improperly sized unit can lead to inefficiencies and higher energy costs. To guarantee you're making the best decision, it's crucial to understand a few key factors that will maximize your system's performance. Discover how you can enhance comfort and save money with these simple strategies. Choosing the Right AC Unit for Your Home When you're looking to keep your home cool and comfortable, choosing the right AC unit is essential. Start by evaluating your home's size and layout. A unit that's too small won't effectively cool your space, while one that's too large can lead to inefficient energy use. Next, consider the Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER) ratings. Higher ratings mean better efficiency and lower energy bills. You'll also want to think about the type of system: central air, ductless mini-splits, or window units all have their pros and cons based on your needs. Noise levels play a role too; quieter models can enhance your comfort. Finally, don't forget to factor in your budget. Investing in a high-quality unit now can save you money in the long run. With the right choices, you can enjoy a cool home all summer long without breaking the bank. Additionally, it's crucial to ensure that a professional AC repair technician handles the installation to avoid potential issues down the line. Importance of Proper Installation Proper installation of your new AC unit is essential for ensuring ideal performance and efficiency. When done correctly, your system can operate at its highest potential, keeping your home comfortable while minimizing energy bills. If installation is rushed or poorly executed, you might face issues like uneven cooling, increased wear and tear, or even premature breakdowns. Choosing a qualified HVAC professional, like Hickory Heating & Cooling LLC, guarantees that your unit is installed according to manufacturer specifications. This expertise helps you avoid common pitfalls, such as improper sizing or incorrect ductwork , which can lead to inefficiencies. Additionally, ensuring compliance with North Carolina state protocols during installation is vital for optimal operation and safety. Regular Maintenance for Optimal Performance After ensuring your new AC unit is installed correctly, regular maintenance becomes essential for keeping it running efficiently. Scheduling routine check-ups helps identify potential issues before they escalate, ensuring your system operates at peak performance. Cleaning or replacing filters regularly is a simple yet effective way to maintain airflow and energy efficiency. Additionally, consider inspecting the coils and fins, which can accumulate dirt over time. This buildup can strain your system and lead to higher energy bills. Don't forget to check the thermostat settings for accurate temperature control, as an improperly set thermostat can affect comfort levels and energy use. Regular AC maintenance can also extend the lifespan of your AC unit to approximately 10-12 years, making it a wise investment for homeowners. Smart Thermostats and Energy Efficiency As you look to maximize your new AC unit's efficiency, integrating a smart thermostat can make a significant difference. These devices allow you to control your home's temperature remotely, ensuring you're only using energy when you need it. You can set schedules, adjust temperatures, and even receive alerts about maintenance issues, all from your smartphone. Smart thermostats learn your habits and preferences, automatically adjusting to optimize energy usage while keeping you comfortable. This technology can reduce energy bills by preventing unnecessary cooling when you're away from home. Additionally, many smart thermostats work seamlessly with your new AC system, enhancing its efficiency. By utilizing energy-efficient HVAC systems , you can ensure optimal performance and savings. By taking advantage of features like geofencing, your thermostat can know when you're near home, adjusting temperatures accordingly. With a smart thermostat, you'll not only save money but also contribute to a more sustainable environment. Embrace the convenience and efficiency these devices offer! Understanding SEER Ratings and Their Impact How can understanding SEER ratings enhance your comfort and savings? SEER, or Seasonal Energy Efficiency Ratio, measures your air conditioner's cooling efficiency. The higher the SEER rating, the more efficiently your AC unit operates, which translates into lower energy bills. When you choose a unit with a high SEER rating, you invest in long-term savings, especially during the hot months in Hickory, NC. For peak comfort, look for units with a SEER rating of 14 or higher. While these models may have a higher upfront cost, the savings on your utility bills can make up for it over time. Plus, a more efficient system reduces environmental impact. Always consult with a trusted HVAC professional from Hickory Heating & Cooling LLC to help you select the best option for your home. Understanding SEER ratings not only makes financial sense but also enhances your overall comfort experience.

Benefits of Hiring Pros for Mini Split Installation in Claremont, NC

4 September 2025

Did you know that homes with professionally installed mini splits can see up to a 30% increase in energy efficiency? When you choose to hire experts for your installation in Claremont, NC, you're not just getting a system; you're investing in a tailored solution that meets your specific needs. The right installation can greatly influence your comfort and savings, but there's more to reflect upon. Let's explore the key benefits of going with professionals. Expertise in System Selection and Sizing When you choose Hickory Heating & Cooling LLC for your mini split installation, you benefit from our team's expertise in system selection and sizing. Our skilled technicians assess your home's unique layout, insulation, and cooling needs to recommend the perfect mini split system for you. Instead of guessing, you'll receive tailored advice that guarantees maximum efficiency and comfort. We understand that one size doesn't fit all. That's why we take the time to evaluate your specific requirements, making sure the system you choose operates effectively without wasting energy. Additionally, our ductless mini-split systems provide efficient heating/cooling without the need for ductwork. With our honest and upfront approach, you won't face unexpected costs or complications. Professional Installation for Optimal Performance Choosing Hickory Heating & Cooling LLC for your mini split installation guarantees you get professional expertise that maximizes your system's performance. Our skilled technicians understand the intricacies of mini split systems, ensuring every component is installed correctly for peak efficiency. They pay close attention to detail, from positioning the indoor and outdoor units to securing the refrigerant lines, which directly impacts your unit's functionality. With our professional installation, you'll enjoy benefits like reduced energy costs and improved indoor air quality. Our team also knows how to balance the system properly, preventing issues that could lead to costly repairs down the line. Additionally, we emphasize the importance of regular maintenance to extend the lifespan of your system and maintain its efficiency. Plus, we prioritize a clean worksite, so you won't have to worry about mess or disruption in your home. Trusting Hickory Heating & Cooling LLC means you're investing in a system that performs at its best, keeping you comfortable year-round without compromise. Compliance With Local Codes and Regulations Ensuring compliance with local codes and regulations is essential for a successful mini split installation, as it helps avoid potential fines and safety hazards. When you hire professionals like Hickory Heating & Cooling LLC, you can rest easy knowing they're well-versed in the specific requirements of Claremont, NC. They'll handle all the necessary permits and inspections, ensuring your installation meets local standards. Additionally, their expertise in routine maintenance ensures your system will operate efficiently and safely for years to come. Warranty Protection and Peace of Mind Having a professional like Hickory Heating & Cooling LLC handle your mini split installation not only guarantees quality workmanship but also comes with valuable warranty protection. When you choose experts, you're ensuring that your investment is safeguarded against potential defects or issues that could arise after installation. This warranty gives you peace of mind, knowing you won't face unexpected costs for repairs or replacements. In addition, the experienced technicians at Hickory Heating & Cooling LLC understand the intricacies of mini split systems and can navigate the warranty requirements to keep you protected. They also focus on energy-efficient HVAC systems, ensuring that your new system operates effectively and saves you money on energy consumption. If something goes wrong, you can rely on their expertise to address it swiftly and efficiently, minimizing disruption to your comfort. Ultimately, hiring professionals means you can enjoy your new system without the stress of worrying about its reliability and the financial implications of repair expenses. Trust in their service, and rest easy knowing you're covered. Long-Term Cost Savings and Energy Efficiency While many homeowners focus on the initial cost of installation, investing in professional mini split installation can lead to significant long-term savings and improved energy efficiency. When you hire experts, they guarantee your system operates at peak performance, reducing energy waste and lowering your utility bills. Properly installed mini splits can be up to 30% more efficient than traditional systems, translating into substantial savings over time. Moreover, professionals like Hickory Heating & Cooling LLC provide tailored solutions based on your home's specific needs, maximizing your system's effectiveness. They often offer maintenance plans that keep your mini split running smoothly, preventing costly repairs down the line.

How Often Should You Replace Your AC Filter in Hickory, NC?

by Paula Relentless • 1 August 2025

Think of your AC filter as the lungs of your home, working tirelessly to keep the air clean and fresh. In Hickory, NC, the frequency of replacement can vary based on several factors. Are you aware of the signs that indicate it's time for a change? Understanding these details can not only improve your air quality but also enhance your system's efficiency. Let's explore what you need to know to keep your home comfortable. Understanding the Importance of AC Filters While you mightn't think about it often, understanding the importance of AC filters is vital for maintaining your home's comfort and air quality. AC filters trap dust, allergens, and pollutants, guaranteeing the air you breathe is clean and healthy. When filters get clogged, air flow decreases, which forces your system to work harder. This not only affects efficiency but can also lead to costly repairs down the line. Regularly replacing your AC filter helps extend the lifespan of your HVAC system, saving you money in the long run. Plus, it enhances energy efficiency, which can lower your utility bills—a win-win! So, whether you're dealing with seasonal allergies or simply want to enjoy fresh air, keeping up with filter maintenance is imperative. Additionally, proper maintenance procedures ensure that all unit parts operate per manufacturer specifications for optimal performance. Factors That Affect Filter Replacement Frequency When it comes to determining how often you should replace your AC filter, several key factors come into play. First, consider your location in Hickory, NC; higher pollen or dust levels can clog filters faster. If you have pets, their dander can greatly impact filter lifespan, necessitating more frequent changes. The size of your home also matters; larger spaces may require more frequent replacements due to increased air circulation. Additionally, think about your HVAC system's usage; if you run it continuously, the filter will likely need replacing sooner. Finally, the type of filter you use plays a role; some high-efficiency filters may last longer than standard ones. Regular furnace maintenance is also essential to ensure your HVAC system operates efficiently and prolongs the life of your filters. Recommended Replacement Schedule for Different Filter Types To guarantee your HVAC system operates efficiently, it's crucial to follow a recommended replacement schedule based on the type of filter you use. For fiberglass filters, aim to replace them every 30 days, as they capture larger particles but clog easily. Pleated filters, which offer better filtration, should be replaced every 1 to 3 months, depending on usage and your indoor air quality. If you use HEPA filters, you can extend the replacement interval to every 6 to 12 months, as they trap smaller particles effectively. For washable filters, a thorough cleaning every month is usually sufficient, but always check the manufacturer's instructions for specific guidance. Regular maintenance, including tune-ups for HVAC systems , can also enhance the effectiveness of your air filters. Signs That Your AC Filter Needs Replacing Noticing changes in your HVAC system's performance can be a clear signal that your AC filter needs replacing. If you find that your home isn't cooling as efficiently or quickly as before, it could indicate a clogged filter. Additionally, increased dust and allergens in your indoor air can suggest your filter isn't doing its job. You might also notice strange odors when your AC runs, which can stem from a dirty filter. Another sign to watch for is unusual sounds coming from your unit, like rattling or buzzing, often linked to airflow issues caused by a blocked filter. Finally, if your energy bills have spiked without any other explanation, a dirty filter could be the culprit, forcing your system to work harder. Paying attention to these signs can help maintain your AC's efficiency and extend its lifespan. Regular maintenance, including preventative maintenance , can further ensure your system operates at peak performance. Tips for Maintaining Your AC Filter and System Replacing your AC filter is just the first step in maintaining your HVAC system's efficiency. To keep your system running smoothly, regularly check and replace the filter as needed—typically every one to three months. Make it a habit to inspect the filter during seasonal changes or when you notice reduced airflow. Additionally, guarantee your outdoor unit is clear of debris like leaves or dirt. This helps maintain proper airflow and cooling efficiency. Schedule annual professional maintenance with Hickory Heating & Cooling LLC to catch potential issues before they become costly repairs. Keep an eye on your thermostat settings; adjusting them can save energy while keeping your home comfortable. Finally, consider investing in a programmable thermostat to optimize performance.

Top Warning Signs Your AC Needs Repair in Catawba, NC

by Paula Relentless • 1 August 2025

As a homeowner in Catawba, NC, you might not notice when your AC unit starts to show signs of trouble. Unusual noises, insufficient cooling, or even higher energy bills can be easy to overlook. However, ignoring these warning signs can lead to more significant issues down the line. Understanding what to look for is essential to maintaining your comfort and efficiency. Let's explore the key indicators that your AC might need repair. Unusual Noises Coming From Your AC Unit When your AC unit starts making unusual noises, it's like a red flag waving for attention. You might hear rattling, buzzing, or hissing, and it's crucial to take notice. These sounds can indicate loose or damaged components, electrical issues, or even refrigerant leaks. Ignoring these warning signs can lead to more significant problems and costly repairs down the line. If you hear a high-pitched squeal, it could signal a failing motor or a worn-out belt. A low rumble or clanking sound might mean something's loose inside, requiring immediate inspection. Don't let your comfort suffer; the sooner you address these noises, the better. Regular preventative maintenance can significantly reduce the likelihood of these issues occurring. Trust Hickory Heating & Cooling LLC to diagnose the ac issue accurately . Their team is committed to providing honest assessments and expert repairs, ensuring your AC runs smoothly again. Insufficient Cooling or Warm Air Blowing Sometimes, your AC might struggle to keep your home cool, leaving you feeling uncomfortable. If you notice warm air blowing from your vents or insufficient cooling in certain rooms, it's a clear sign something's wrong. This issue could stem from a dirty air filter, blocked vents, or refrigerant leaks. Ignoring it won't make it go away; in fact, it can lead to bigger problems down the line. You should check the air filter first—if it's clogged, replace it to improve airflow. If the problem persists, inspect the vents for blockages. Also, listen for unusual sounds, as they can indicate a more significant issue. Regular AC maintenance can help identify early detection of damage and prevent further complications. Don't hesitate to call Hickory Heating & Cooling LLC for a professional evaluation. Their team will identify the problem and provide the necessary repairs to restore your comfort. Increased Energy Bills If you've noticed warm air blowing from your vents or insufficient cooling, it's time to check your energy bills. A sudden spike in your monthly costs can signal that your AC system is struggling to operate efficiently. Here are some signs that increased energy bills might indicate a need for repairs: You're using the same settings, but bills are higher than usual. Your AC runs longer than before to maintain the desired temperature. You hear strange noises, which can indicate inefficiency. Your system is over 10 years old, making it less efficient. You've recently changed filters or improved insulation, yet costs still rise. Additionally, energy-efficient AC systems can significantly help reduce your overall energy consumption. If you recognize any of these signs, don't wait. Contact Hickory Heating & Cooling LLC to evaluate your system and restore your comfort while saving on energy costs. Frequent Cycling On and Off Experiencing frequent cycling of your air conditioning system can be frustrating, especially when it disrupts your comfort. This issue often indicates that your AC is struggling to maintain a consistent temperature. You might notice it turning on and off more than usual, which not only affects your comfort but can also lead to higher energy bills. Several factors could cause this problem, including a malfunctioning thermostat, dirty air filters, or inadequate airflow. When your system cycles frequently, it works harder, leading to wear and tear over time. Ignoring this issue may result in more serious repairs down the line. If you notice your AC is frequently cycling on and off, don't hesitate to reach out to Hickory Heating & Cooling LLC. Their expert team can diagnose the issue and recommend the best course of action, ensuring you stay comfortable all summer long without any surprises. Consider scheduling two maintenance sessions per year to keep your system running efficiently. Foul Odors Emitting From Vents Frequent cycling can be a sign of underlying issues, but foul odors emitting from your AC vents are another clear indication that something's wrong. If you notice unpleasant smells, don't ignore them. They often point to serious problems that require immediate attention. Here are some common odors and their potential causes: Musty or moldy smell : Indicates mold growth in your ducts or on the evaporator coil. Burning smell : Could mean electrical issues or overheating components. Chemical or sweet smell : Often a sign of refrigerant leaks that need urgent repair. Rotten egg smell : Indicates a gas leak, which is a serious safety hazard. Burnt plastic smell : May suggest overheated wiring or components. If you experience any of these odors, it's best to contact Hickory Heating & Cooling LLC for a thorough inspection and prompt repair. Your comfort and safety depend on it!