And that’s actually what I’d like to talk about here today: why your furnace smells sweet and other odor-related HVAC issues. Refrigerant is a special chemical used by your AC to absorb heat and warmth from the air inside your home. How to clean a window air conditioner, remove mold and mildew and help keep your A/C cold and smelling fresh! Furnace techs will be able to change your filter and also to inspect your HVAC system in a way that finds potential cracks that keep dangerous gas in. Air conditioners actually grab the air from their nearby surroundings, which could mean that sweet cool air won’t smell so sweet after all. So, schedule a repair at the first indication of a leak. If they do, than it is emitting dangerous chemicals into your home and will continue to emit them until they gas out. There’s no real secret to this one. Your air conditioner uses refrigerant to remove the heat from your home’s warm air. If it’s been a while since you last changed the air filter in your air … The condensate drain is used to collect the condensation that drips off your cooling … A Rotten Egg Smell: This is an even more common and easy-to-identify smell than the sweet or yeasty scent. The smell of oil comes from one of two things. The thing is, you just don’t want to risk some of the dangers that can be associated with smells coming out of your furnace. The presence of oil will also indicate a leak, so look for both the oil and the smell when troubleshooting this problem. We would like to hear from you. Just take a whiff and find the section below that best describes what you’re smelling. It can be somewhat dangerous depending on what the cause is, and even more so if you think that you can get away with totally ignoring it. We have years and years of experience working on furnaces in Sacramento homes. When you turn on the air conditioner, you may smell stale cigarette smoke. The central air conditioner in my house has a bad odor coming from the air vents. If you notice that the air from your central air conditioner smells … The last smell is somewhat normal, at least compared to the other two more dangerous scents that we discussed above. Dirty sock syndrome is the foul, moldy smelling odor that comes from your air conditioner when you first turn it on. From furnace replacements to plumbing repairs and energy-efficient window upgrades, each of the Bell Brothers services is designed to ensure your home stays a cozy sanctuary for your family. Electronic air cleaners can produce ozone which has a slightly sweet scent. The mold smell problem started when the hot weather temperatures brought high humidity. The solution: Have a professional locate and repair the leak - before recharging your system with … We have a sickening sweet smell coming from our air vents when the air conditioning is turned on. Therefore, it's imperative to remove the cause of any odor from an air conditioner. If you’re not sure what’s producing that chemical smell from your air conditioner, just contact us. Refrigerant travels through closed copper coils (think of the coils as the AC’s veins). Other signs of a refrigerant leak include higher than normal energy bills, warm air coming through the vents, ice on your AC lines, or a hissing or bubbling sound coming from outside the AC unit. You must seal the leak. We’ll send over an ac tech who can locate the source of the smell and remove it. We are open to safely serve you during this time. We have expertise you can trust, no matter what smell has started to come out of your furnace! Learn to tell the difference and take the appropriate step to eliminate the odor. Close any containers tightly or move them to another area of the house. It is caused by the build up of mold and bacteria on your evaporator coil. And if that stench is coming from your vents, it’s not a good sign. As we’ve discussed before, your furnace and. Just contact us. However, there’s also a chance that what you’re smelling is mold in the vents. Either way, it’s not good and you need to contact a pro. The downside is your air conditioner is stinky. Over time, sometimes … It is caused by the build up of mold and bacteria on your evaporator coil. The way to make sure your furnace works properly, and never fills your home with stinky air, is to take your fall furnace maintenance seriously. Even when AC smells result from something minor, like musty smells from a dirty air filter or stagnant water in the system, it’s not good for your health. My immediate advice is to call a pro out ASAP.