Well if there s a burning smell coming from your vents the problem really depends on whether you re using heat or air conditioning.
Burnt rubber smell in house air conditioner.
When the furnace is turned on the dust gets burned off.
Reasons why your air conditioner smells like burning plastic.
Say hello to dirty sock syndrome when stagnant water collects within your ac it can cause a mildewy scent to permeate through the vents every time your system kicks on.
Also the blower unit on the heating system if that s potentially going bad that could cause a burnt rubber smell which would be circulated through the house via the heating and air conditioning duct systems.
A burning smell coming from your air conditioning system is problematic for numerous reasons.
The belt in the belt drive motor systems is made of rubber.
So those would be the first two things that i might think about.
Ac smells like dirty socks.
If you re using heat for the first time this season it is a normal smell.
If someone has smoked in the home the odors could accumulate in the filter and evaporator coil.
The most likely reasons why your air conditioner smells like burning plastic are 1.
Change the filter schedule a professional tune up and cleaning and only smoke outdoors.
If the smell isn t coming from the vents it s most likely a leak at a pipe fitting or within the equipment.
Now call a professional air conditioning repair company to come fix the problem.
But if you notice a burning smell and your ac is in cooling mode.
Sometimes when you first turn on the heater it can smell like gas is burning.
It is just your furnace heat pump burning off dust.
Dust burning off in most parts of florida there is no need to switch on the heating mode of ac.
If something smells like it s burning it probably is.
Running the ac while something is wrong will only make things worse and result in a bigger repair bill.
For starters you re probably worried your air conditioning system is on fire don t worry just yet chances are it s probably not and two no one wants an unpleasant burning odor in their home every time they re trying to cool off or warm up.
When you turn on the air conditioner you may smell stale cigarette smoke.
When the moisture doesn t drain properly it can escape into the ducts and create mold.
You turn your ac on and your home begins to smell more like a locker room than that new candle you just bought.
If you re using ac something is most likely overheating which is not good.
During a cold front when suddenly the need arises you may observe a burning smell.
The solution since the belt is made up of rubber it has to be replaced eventually.
Heat and continuous use wear out the belt which results in the burnt rubber ac smell.
When the air conditioning is running there is a lot of condensation within the unit.
During the summer dust settles within the hvac on the heat exchanger.