When the burners are dirty, the buildup prevents them from igniting, which causes too much gas to build up, making a popping sound. … Damaged air ducts can also make popping or banging sounds, especially when they’re made of metal. The ducts can expand and contract when the blower turns on and off.

Is it normal for my space heater to make noise?

They usually make noise when you switch it on as it takes some time to heat the metal and oil. It may be that buzzing sound and popping and crackling noises are normal. … Making noise while starting is one of disadvantage of room heater , but it can be ignored compared to its advantages.

How do you fix a clicking heater?

Loud clicking sounds can be heard when inducer blowers and fan shafts are clogged by buildup or when bearings are worn out. Bearings on the main blower motor might click as the furnace runs because the shaft is rusted or dirty. Cleaning and lubricating the fan shaft will help fix the problem and prevent premature wear.