Even if your air filter is new you may be using one that s too restrictive for your system such as one designed to remove pollen and allergens.
Attic air handler running constantly.
This will determine.
Mar 24 2008 1.
Your thermostat is set to keep it running.
Again it doesn t run constantly.
What you should do.
If your thermostat is set at 65 degrees and it s 95 degrees out your air conditioner will have to run constantly to try and keep up.
This constant running will reduce pressure in the evaporator cooling coil until it freezes over.
This is a horizontal flow air handler installed in the attic.
Keeping the fan on creates a more even distribution of heating and cooling circulating the air if you have cold or hot spots in your house like a bedroom above a garage.
And the compressor is an expensive part you don t want to replace.
It s an abnormally hot day.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.
An undersized system struggles to cool your home which is why it s running constantly.
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For better air flow use a filter with a lower merv value.
I haven had a chance to check out the control board but hopefully they is something i came change to disable this behavior.
Consider raising your thermostat to a more reasonable level.
This is dangerous because the freezing can cause liquid refrigerant to flood back to the compressor and damage it.
Goodman attic air handler constantly running.
If your air handler is in an attic it should have a secondary pan to catch the water in case the primary condensation pan or condensation drain line gets clogged.
Without enough air flowing over the coils the system can t remove humidity and cool the air to the set temperature so it keeps running when it shouldn t.
It s important to note that on extremely hot days you should expect your air conditioner to run more often than usual.
So you may think of changing the filters or cleaning the air handler ducts to solve the problem.
Typical items that clog condensation lines are algae muck and trash like insulation from the attic.
Pros to running fan on air conditioner continuously.
As the air flow is reduced the temperature of the air goes below the dew point and causes sweating.
Your air conditioner can only handle a specific temperature difference between your home and outside.
Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan.
Only when it s hot and the thermostat is set to off will the fan activate on its own.
Due to the chocked filters or blocked duct or maybe for whatever reason if the air flow is restricted then there will be chance of sweating.
Get an air conditioning contractor to perform a heat load calculation on your home.