Attic Air Handler Running Constantly

Also slightly visible is a float switch which offers triple protection against flooding in an attic if the primary drain were to plug up.

Attic air handler running constantly.

What you should do. Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan. And the compressor is an expensive part you don t want to replace. For better air flow use a filter with a lower merv value.

Status not open for further replies. 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. 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.

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. An undersized system struggles to cool your home which is why it s running constantly. 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 is the secondary condensation pan which is installed under the air handler to save a ceiling.

I haven had a chance to check out the control board but hopefully they is something i came change to disable this behavior. 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. As the air flow is reduced the temperature of the air goes below the dew point and causes sweating. Your thermostat is set to keep it running.

Consider raising your thermostat to a more reasonable level. It s important to note that on extremely hot days you should expect your air conditioner to run more often than usual. Goodman attic air handler constantly running. Pros to running fan on air conditioner continuously.

Again it doesn t run constantly. Mar 24 2008 1. Typical items that clog condensation lines are algae muck and trash like insulation from the attic. Only when it s hot and the thermostat is set to off will the fan activate on its own.

Start date mar 24 2008. Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow. It s an abnormally hot day. This constant running will reduce pressure in the evaporator cooling coil until it freezes over.

Get an air conditioning contractor to perform a heat load calculation on your home. This is dangerous because the freezing can cause liquid refrigerant to flood back to the compressor and damage it. So you may think of changing the filters or cleaning the air handler ducts to solve the problem.