It is not unheard of for heating, ventilation, and air conditioning (HVAC) systems to have a lifespan of anywhere between 15 to 25 years, depending on how well maintained they have been. HVAC units are some of the most overworked things in a home—furnaces tirelessly keep houses warm during cold winters while air conditioners cool indoor air in the hot summer months. But even after years of faithful service, your air conditioner will inevitably show signs of slowing down. When you find yourself in a situation where you are beyond AC repair, contact a professional who provides air conditioning service near Murfreesboro to have your system replaced. Here are some clues that you may need a new air conditioner.
You Start to Hear Odd Noises
One telling sign that you may need a new AC unit is if you hear strange noises when you turn your AC on. Unusual whirring or sputtering sounds can indicate that a fan motor is malfunctioning. Oftentimes, if filter media or outdoor condensers are not properly replaced or cleaned, respectively, fan motors can have a hard time circulating air throughout the home because their intake vents are clogged. This situation requires fans to work harder than they should work, wearing them out prematurely. Rattling sounds coming from ductwork should also be cause for alarm.
You Smell a Strange Odor When the Unit Is On
You should always trust your senses. Fan motors that are burning out are usually to blame for abnormal odors. Sometimes, AC units may smell like they are releasing exhaust fumes, which can signal fluid leakages or something more ominous. Either way, you should call an HVAC specialist immediately to have your system assessed.
Your Air Conditioner Stops Working
The most obvious sign that you may need a new air conditioner is if your existing unit does not work at all when you turn it on. Oftentimes, the problem may stem from something that can be fixable. However, you should always be prepared to replace your system if necessary. The determining factor is if the cost of repairing your unit exceeds the cost of replacing it with a new unit.
The summer season is here, which means that air conditioning systems will be working long hours to keep homes cool and comfortable. Before you turn your AC unit on, be sure to create a maintenance and diagnostic checklist. Thoroughly inspect the components of your air conditioning system. It is highly recommended that you hire a professional who specializes in AC maintenance and AC repair in Murfreesboro to perform an annual checkup.
During a professional service, your technician will check your outdoor compressor unit, capacitors, coils, and refrigerant to ensure that they are all in good working order. Vents and ductwork can also be checked upon request. The most important thing homeowners can do for their HVAC units is to replace their units’ disposable filters every two to three months. Watch this video to learn more about the importance of AC maintenance.
In general, HVAC units tend to have a life expectancy of at least 15 years. Some well-maintained units can last up to 25 years, and only need to be repaired a few times. Your system’s viability is based on three key factors: its manufacturer (i.e., make and model), its components, and its upkeep. To ensure that your unit functions properly for the long haul, having a trustworthy contractor who specializes in central heating, duct installation, and AC repair in Murfreesboro to service your system really helps, especially if he or she offers a routine maintenance plan. However, things do happen. Here are a few determining factors on whether or not you should consider buying a new system.
The Age of Your System
Even with the best care, your HVAC system will ultimately need to be replaced. The most obvious indicator of when to replace your system is its age. After about 10 years of normal usage, your air conditioner or heat pump will start to show signs of wear and tear. After 15 years, your furnace or boiler will too. When you decide to buy a new unit, take advantage of the situation by upgrading to an energy-efficient model. Look to purchase units with the ENERGY STAR logo, which can be 15 to 20% more efficient than conventional models.
Your System Needs to Be Repaired Often
Most problems can be avoided by having a routine maintenance plan set in place. For your part, simple chores, like switching out your system’s air filter every two to three months and cleaning your condenser’s intake vents, can help to extend the life of your unit. However, if your HVAC contractor is visiting your home more often than you would like him or her to, it’s time to buy a new system.
Your Home’s Moisture Levels
Your home’s humidity can negatively affect your HVAC system’s overall performance. Inadequate equipment and poor installation, coupled with uncontrolled humidity levels, can shorten the lifespan of any system. Also, if your ductwork is faulty or if it has leakage issues, you can experience abnormal moisture conditions when your system is heating or cooling.
It is hard to imagine getting through the summer without an air conditioner, and yet this can quickly become a reality if you fail to provide the proper AC maintenance in Murfreesboro. Air conditioners make use of several different components that must function in unison in order for the unit to work. If you think your air conditioner is malfunctioning, call an HVAC service professional immediately. Here is a look at some of the most common air conditioning problems.
In order for your air conditioner to be able to produce cool air to send through your house, it must have an adequate amount of refrigerant. This refrigerant is the material that will evaporate and condense, thus cooling the coils. Since the refrigerant goes through a constant process of evaporating and condensing, your air conditioning unit should contain roughly the same amount at all times; if you are lacking in refrigerant, then there is likely a leak to be addressed. Your HVAC technician can evaluate the level of refrigerant in your unit and identify the leak. He or she can then charge the refrigerant and allow your unit to enjoy efficient functioning.
When your compressor condenses the refrigerant back into a liquid, excess heat is given off that must be directed away from the unit. This is the responsibility of your outside fan. The outdoor part of your air conditioner will remove the heat from the unit as necessary to ensure that it does not overheat. If your outdoor fan is broken it cannot reliably remove the heat. This can cause your compressor to overheat, which may lead to internal damage.
Just like any other HVAC appliance, your air conditioner must be maintained properly. Part of this maintenance includes regularly changing your air filters as they become saturated. Your air filters collect dirt, dust, and debris that would otherwise end up circulating throughout your house with the cool air. Changing your air filters is a quick and simple process that should be done on a regular basis to ensure that your unit functions at optimal efficiency.
You may be aware of the importance of AC maintenance in Murfreesboro , but you may not have any idea what the components that you maintain actually do for the unit. You know that your AC installation creates cool air and circulates it through your home, but how does it work? Watch this video clip if you are interested in the science behind air conditioning.
Your air conditioner functions thanks to the principles of evaporation and condensation. The unit evaporates a refrigerant within a set of coils; since evaporation removes heat, the coils become cold. The fan component of your air conditioner blows air across these cold coils, which in turn cools the air as it is sent throughout the house. The compressor then causes the refrigerant that had turned into a gas to turn back into a liquid, which creates heat. The outdoor fan removes this heat from the unit to prevent overheating.
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