The HVAC system is one of the most used appliances in your home. And when it isn’t working properly things can get uncomfortable, and fast. Luckily there are plenty of signs you need an air conditioner or furnace repair in San Jose, CA. One common indicator is bad aromas. An odd odor doesn’t always mean you need excessive repairs. Some smells are mild and it might be a dirty air filter, or dust burning off the first time you turn on the furnace. Some smells are more serious. Here are some common smells that can come from your HVAC system and what they might indicate:
Musty or Moldy Smell
These types of smells are a common ailment of air conditioners. They don’t usually mean a serious problem. There is a lot of condensation in the unit when you run the A/C. And if the moisture doesn’t properly drain it can leak into the ducts and cause mold. And though not a serious problem, mold can lead to poor air quality and respiratory infections. Finding the leak and the mold, and cleaning it up will solve the smell.
Electrical Odors
Ever turn on your furnace and get a whiff of something overheating? It very well could be. The first few times you run the unit it might be burning off dust and should resolve on its own. If it doesn’t you should check things out. First, make sure you turn off your unit. Then start with the air filters. If they are very dirty this can restrict the airflow, causing the electric resistance heaters to overheat. If this isn’t the problem turn off the electricity to your HVAC system with the master switch and call a professional heating and cooling technician. You likely have a problem with the wiring or motor and don’t want to make the problem worse. Also, attempting to fix an electrical problem on your own can result in serious injury.
Acetone Smell
Your system uses refrigerant to give your HVAC system the cooling power it needs. But in older systems or improperly maintained systems, the coolant might leak out. The smell reeks of acetone (like fingernail polish remover). Not only does this reduce the efficiency of your air conditioner, but it is also a fire hazard if exposed to an open flame. You will want to call an HVAC professional to come diagnose the problem, make the repair, and replenish your refrigerant.
Smell of Oil
If you got a new furnace it may emit this type of burning smell for the first 24 hours. But persistent oil odors usually mean you have an oil leak. If you notice oil leaking, call a qualified repair technician to check things out. It could be a loose fitting in the tank, filter, or oil line. If you don’t see oil then the oil burner may not be working. It could be a bad fuel pump or a clogged burner.
Foul, Mangy Smell
During the colder months, rodents and other unwanted visitors seek warmth wherever they can. Many different critters can find their way into your home and into your ductwork. Unfortunately, they often remain undetected until the foul odors start creeping in. It might just be from the urine and droppings, and you will want to set traps to take care of the problem. Poisons are tricky, because the rodent might crawl back in and die, and you will notice a much nastier smell as it decays. Best to check your air handler. And if there is nothing there, it might be time for a professional air duct cleaning.
Rotten Egg/Gas Smell
This usually indicates a natural gas leak, and something you want to address right away. Open the windows to vent out the harmful gas and get out of the house. Then call the Gas Company or HVAC technician to come and make repairs.
When troubleshooting a smell coming from your furnace you want to use some of your other senses too. Listen for knocking or grinding sounds. Look for excessive amounts of water leaking on the ground or liquids that don’t belong. Watch for smoke and soot. If you notice any of these symptoms or the smell persists, call Pelle Heating & Air Conditioning for furnace repair in San Jose, CA. Call (669) 219-8957 to set up an appointment or bring your questions to 1045 N 10th St San Jose, CA 95112.
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