When it comes to your central heating as well as air conditioner system, there are various tell tail signs that the gas furnace or cooling system is going bad! One of those is a large rattling as well as hum sound when the heating or the air conditioner comes on… When you hear this sound this is a warning that the motor of your central heating as well as air conditioner system is on the way out… At this point you will want to call your local heating as well as air conditioner supplier to send out a certified heat as well as cooling system specialist to take a look at the central heating as well as air conditioner system unit to see if the motor needs to be replaced or if there is something that they can do right then as well as there to service it without the need to replace the motor. In some cases, it can be fixed without the need of replacement which in turn could save you a lot of cash, the cost of motor replacement for your central heating as well as air conditioner system is going to be a bit costly, however, if you can catch it soon enough this may not be needed. But again, this is all based on the outcome of the local heating as well as air conditioner supplier’s certified heat as well as cooling system specialist. They will guess which direction needs to be taken as well as if the replacement is needed or not. But always look out for that sound. Because if you hear it, you do in fact need to act fast to stop any possible break down of your central heating as well as air conditioner system unit.