Have you ever wondered what goes into a heating or air conditioning system for a large office building or another large building like a mall or a school? My name is Evelyn, and I am an HVAC architect. I design heating and air conditioning systems for large, corporate buildings. Making sure that a large building with many rooms or offices is efficiently heated and cooled is a very large job and is much more complicated than simply heating or cooling a home. This blog will educate the reader on how heating and cooling jobs this large are designed and completed.
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Designing Heating and Cooling Systems in Large Buildings
3 Common Sources Of Odd AC Noises
Nicole Jacobs
Most modern air conditioning units function with a very soft hum. Hence, you shouldn't hear the noise if you're not in the same room as the unit. On the other hand, hearing unusual noises from your unit is a telltale sign that something is wrong and needs professional assessment. Note that the problem depends on the noise the unit makes. The good news is that an HVAC repair technician can diagnose the issue depending on the noise and perform necessary AC repairs. Click here for more information or read on for some of the most common noises and their origin.
Does the Unit Keep Hissing?
Hissing sounds are a typical indicator that you have leaking refrigerant. You should know that refrigerant helps cool the home by transferring the heat to the air outdoors. To do this, the air from the room enters the air conditioner and passes over the evaporator coils. Here, the refrigerant immediately turns into vapor and travels to the condenser unit exposed to the cold outdoor air. Consequently, the outdoor air cools down the gas, which flows back into the house. Note that the refrigerant evaporates if there's a leak in the evaporator or condenser, hence the hissing sound as it escapes. More importantly, you should treat this as an emergency and call the repair technician because the gas can be harmful in case of prolonged exposure.
Is There Constant Rattling and Grinding?
You should know that the air conditioning unit rattles when there's something foreign inside. In most cases, this could be a twig, a broken branch, and any other particles small enough to get into the AC. So, check the condenser unit outside the house and see if anything is blocking the fan. On the other hand, grinding noises come from poor lubrication of the moving parts, compressor failure, and blower fan issues. Note that in some cases, grinding noises have complicated causes, and it's best to let the technician handle the diagnosis and repairs.
Is There Banging and Screeching Noises?
In most cases, the air conditioner bangs when there's a problem with the compressor. Note that this is the part of the unit that distributes cool air throughout the home. More so, it makes banging noises when some components become loose during operation. On the other hand, your air conditioner will screech if the fan motor is malfunctioning. Further, damaged bearings to the fan motor can cause a squealing noise in your system, but this is often a minor issue that requires repairs by a service technician. So, call the professional to assess this problem and recommend the best solution.
It is essential to know the level of noise that's normal when dealing with the air conditioning unit and what is out of the ordinary. However, no matter how minor the issue, consult a trusted and reliable HVAC repair expert and schedule an appointment to assess the appliance. They will help you determine the best repairs for the system and restore noiseless operation in no time.
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