Attic Air Handler Running Constantly

Only when it s hot and the thermostat is set to off will the fan activate on its own.

Attic air handler running constantly. Status not open for further replies. It s an abnormally hot day. This constant running will reduce pressure in the evaporator cooling coil until it freezes over. What you should do.

It s important to note that on extremely hot days you should expect your air conditioner to run more often than usual. Get an air conditioning contractor to perform a heat load calculation on your home. And the compressor is an expensive part you don t want to replace. This will determine.

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. Pros to running fan on air conditioner continuously. Your air conditioner can only handle a specific temperature difference between your home and outside. Again it doesn t run constantly.

An undersized system struggles to cool your home which is why it s running constantly. Start date mar 24 2008. 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. For better air flow use a filter with a lower merv value.

Goodman attic air handler constantly running. 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. I haven had a chance to check out the control board but hopefully they is something i came change to disable this behavior. Mar 24 2008 1.

As the air flow is reduced the temperature of the air goes below the dew point and causes sweating. Also slightly visible is a float switch which offers triple protection against flooding in an attic if the primary drain were to plug up. 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. This is a horizontal flow air handler installed in the attic.

This is dangerous because the freezing can cause liquid refrigerant to flood back to the compressor and damage it. This is the secondary condensation pan which is installed under the air handler to save a ceiling. Your thermostat is set to keep it running. So you may think of changing the filters or cleaning the air handler ducts to solve the problem.

Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan. Consider raising your thermostat to a more reasonable level. 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.