Your heating and air conditioning system runs almost all year long. Particularly in St. Louis, where the summers are sweltering and winters equally harsh, the HVAC system has to be on the job all the time. It undergoes a lot of wear and tear and requires regular maintenance to ensure that it runs efficiently for longer. Over time, you may notice certain changes in the smells and sounds coming from your HVAC systems. HVAC smells and sounds tell a lot about the system’s health, and each of these could be an indicator of an underlying issue. Tending to these signs in time could save you a major overhaul in the future.
To figure out what your HVAC smells and sounds could mean and to get the problems fixed contact a reliable heating and air conditioning contractor. In St. Louis, call us at 314-993-1110.
HVAC Sounds to Watch Out For
HVAC sounds mostly come from the moving parts of the system. Given the fact that there are very few moving parts in an HVAC unit, it should be relatively easy to identify the source. Let’s look at some common HVAC sounds first.
- Squeaking: A squeaking sound from HVAC systems that are a few years old is quite common. This sound most likely comes from the blower motor. This may be heard when the motor runs after a long period of being unused. But if it is heard even after running for some time, it could mean some part of the motor has worn out or need lubrication.
- Clunking: A clunking noise, like something is bumping on a surface, could be coming from the blower as well. This could be because of a broken fan belt hitting against something. Have an HVAC technician take a look at the blower if this sound persists.
- Hissing: If you hear a hissing sound somewhere inside the HVAC unit, it could indicate a gas leak or air leakage from the ducts. Have your ductwork and internal piping of the HVAC unit checked to detect the source of the hissing noise.
Some HVAC sounds are harmless though. For instance, a popping sound now and then is quite common. This is caused by the metal expanding and contracting with heat. Many HVAC units also produce a humming noise from the furnace, which is also normal.
If you feel there is something unfamiliar with the way your HVAC unit sounds, contact an HVAC repair service immediately.
HVAC Smells to Be Aware Of
HVAC smells are equally effective indicators of a fault. Here are some HVAC smells to look out for.
- Burning smell: This is one HVAC smell you should not neglect. If you get a burning smell from your HVAC unit, it is best to call an HVAC contractor immediately. Though it could just be a dirty burner or an overheated furnace that is giving off the burning smell, it could also mean bigger problems like faulty wiring which is a huge risk.
- Musty smell: A musty smell from your air conditioner is caused by a dirty air filter or ductwork. The air filter and ductwork can collect moisture over time, resulting in the formation of mold or fungus in these parts. This gives off a very damp, musty smell. Change your air filter and get your ductwork cleaned by professional HVAC contractors if you encounter this problem.
- Exhaust fumes: If your HVAC unit smells of exhaust fumes, it could be because of excessive natural gas emissions from the furnace. This is a toxic gas and exposure to this for prolonged periods is a hazard. Get your system checked by professionals immediately.
Hire the Experts to Fix Your HVAC Smells and Sounds
If you are unable to detect where the HVAC smells and sounds are coming from, get help from an expert HVAC contractor. Galmiche & Sons can help you with all your HVAC maintenance and repairs in St. Louis. Contact our heating and air conditioning experts today to schedule your appointment.
