When your air filter get dirty it restricts air flow to your evaporator coil which will in turn causes the ac unit to freeze the same will happen when your evaporator coil gets clogged with dirt.
Dirty air handler blower fan.
It s what triggers and circulates the conditioned air through your home.
Hvac parts and more 69 435 views.
A breakdown of your blower motor can be the result of many things old age failed bearings high amp draw electrical failure in the windings and dirt accumulation.
If your evaporator coils are dirty then this can also lead to a dirty blower wheel.
It is the one of the biggest causes for air conditioning malfunction.
We noted at dirty a c blowers that a dirty blower fan reduces the blower assembly air flow rate increasing heating and cooling costs and sometimes leading to actual system operating failures such as frost build up on air conditioner coils that forms not just frost but solid ice if the air flow rate across even a clean cooling coil is just too slow.
Dirty blower in air handler.
The photo shown just above left is a typical gas fired air furnace or air handler unit.
The next most common problem that can occur with an air handler is a failure of a blower motor whether it be the blower motor or something else that causes the blower motor to fail it could be a bad relay control board run capacitor or the blower motor itself it could also be the blower wheel.
The blower motor plays an important role in your forced air hvac system and your comfort.
This video is about cleaning air handler fan to increase efficiency and lower your electric bill don t go ocd in cleaning it.
The importance of changing your air conditioner air filter on a regular schedule cannot be overstated.
When as little as one tenth of an inch of dust accumulates on your blower wheel it can reduce your furnace s efficiency by 20.
The idea is to get the most dus.
At page top is a dirty squirrel cage fan inside of an air handler unit.
To find out more about our indoor air quality services call us today.
Another big cause is air leakage in the air handler.
N ow many of the newer split residential systems these days are under negative pressure up to the blower wheel compartment meaning if there are any.
Here we describe and illustrate a detailed thorough cleaning of the blower assembly in an air handler that is used for both heating and air conditioning.
A nd if your blower wheel is dirty then more than likely so is the rest of the air handler and insulation.