visit homepage which the motor needs lubricant—which you might or might not be capable to do yourself according to the furnace make and model.By understanding these common air conditioner noises and their causes, you’re far better equipped to deal with them proficiently. While some issues may be resolved with very simple maintenance jobs, relying on professional expertise is vital when needed.Remember to prioritize regular maintenance and repairs to prevent HVAC sound issues from arising to begin with. By using proactive measures and addressing any sounds problems immediately, you are able to appreciate the advantages of a quiet and economical HVAC system For several years to come back.Either way, it’s best to call a professional HVAC technician to analyze The problem. In no way attempt to take care sites of this issue yourself because it is usually risky and void your warranty.