Question about Heating & Cooling

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AC blows cool air but not cold air? Coils have been cleaned in and out. vent will blow 65 degrees from middle of home and Thermostat says 85 degrees. Temperature will not go less than 85 degrees. Techs have come over and all say that the unit has plenty of refrigerant coolant in it. it sweats alot inside and seems as if it is not draining good but the drain itself is completely open. It must be the inside unit itself or the thermostat? Any ideas or help? write to me at hydrobot2003 at yahoo dot com. Thanks!

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Check the coolant again,pressure test the system?????

Posted on Aug 02, 2009

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1 Answer

My ac is charged and works; it blows cool but how or what do I need to do to make it blow colder? It has already been retrofitted for r134a.


the only way to make it colder is to set the thermostat colder in the evaporator or clean the muck out of the evaporator fins
Test the temperature at the vent by placing the thermometer in the vent and it should be around 10 degrees c
The temperature is not taken in the car as there is too much thermal efficiency lost form the vehicle
Remember that while air condition feels to produce cold air ,what is making you feel cool is the fact that the air conditioner is removing the humidity from the air in the car
Take it to an ac accredited service centre for testing as the TX valve may be partially blocked

Jun 01, 2015 | AC Cars & Trucks

1 Answer

Not blowing upstairs not coolin


Hi,
The compressor is a football-sized case with no apparent moving parts. It is located inside the air conditioner at the center. Is it humming or making any kind of continuous noise or causing the lights to dim? If it is making a continuous noise, and your air conditioner is still not cooling at all, there may be a serious problem with one or more of these areas:

  • Compressor


  • Condenser


  • Evaporator


These items are not user serviceable. You will need to contact a qualified appliance repair technician to repair these components.

If the compressor is not running but you do have power to the air conditioner there may be a problem in one or more of these areas:

  • Compressor


  • Overload and/or relay


  • Thermostat (Open thermostat)


  • Burnt wiring


  • Bad selector switch


  • Capacitor


The air is cool but doesn't seem cold enough If the air doesn't seem cool enough it is necessary to use a thermometer to check the difference in temperature between the air going into the unit and the air being blown into the room. Ideally, the temperature difference should be more than 15 degrees. For example, if the temperature going into the air conditioner is 80 degrees, the temperature coming out of the unit should be at least 65 degrees or less. If the difference is 15 degrees or more there is probably no cause for concern. If the temperature difference is less than 15 degrees you should check the following:

  • Air damper


Check to make sure the air damper is closed. If it's open, it will bring in outside air and reduce the efficiency of the unit.

  • Back cover


During the winter season many people cover their air conditioners to protect the unit from the weather. In the spring or summer they will sometimes forget to remove the cover. If your unit has a cover on the outside portion of the air conditioner remove the cover first.

  • Condensing coils


The condensing coils will always be on the "warm" side of the air conditioner. That is, on the side that faces outside of the room to be cooled. Air is drawn into the back of the air conditioner on the sides through vent slots and is blown directly out through the condenser coils. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. To clean the coils it will be necessary to remove the entire cover of the air conditioner or pull it out of the wall to gain access to the coils. They can be cleaned by blowing compressed air at them or by using a soft bristle brush to wipe the dirt off. It is important to also clean any dirt or lint build-up in the bottom of the air conditioner so the condensate water will be picked up by the condensing fan slinger properly.

Jun 29, 2008 | Carrier Heating & Cooling

1 Answer

The driver side vents are blowing hot air as if the heater is on but the thermostat is set on 65 and the passenger side is blowing cold air as it does normally.


Its called "AC Vent Door Actuator" when this fail they will stay open or Closed, this will happen on vehicles that have Dual Climate control. You can Google it just type Year, make ,model and AC vent door actuator after that. It will definetly have to be replaced. Good Luck.

Sep 06, 2010 | Chevrolet Silverado Cars & Trucks

1 Answer

Refrigerator is not cold


Hi Louis,

This is what has happened. Due to the door being opened for so long moisture which is naturally in the air has collected on your freezer coils. What you need to do is turn the whole thing off for at least 24 hours. Open the doors and put some towels around it to let the frost melt out.
All the air that gets cooled in your unit gets cooled by a fan that pulls air through those coils. Once the frost has melted out of them it should cool just fine.

May 25, 2010 | Kenmore 55612 / 55614 / 5561 / 655619 Side...

1 Answer

FRIDGE NOT COOLING


The fridge gets its cold air from the freezer through a vent(damper) between the freezer and fridge.The fan in the freezer blows air through it. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp ..
Your damper and controls are on this diagram. http://www.searspartsdirect.com/partsdirect/getSubComp.pd?modelNumber=MFD2560HES&productCategoryId=0161000&brandId=3048&modelName=MAYTAG-REFRIGERATION&diagramPageId=00006&componentDescription=CONTROLS&documentId=M0412077&backToLink=Return%20to%20Sub%20Components%20list

Jul 13, 2009 | Maytag MFD2560HES Bottom Freezer French...

1 Answer

A/c not blowing cool air


hello. I can help you. There are several possible reasons for your problem Here they are. Read them over and it will give you insights into how your A/C works.

Is the thermostat knob turned to the proper setting? Is the compressor motor running? The compressor is a football-sized case with no apparent moving parts. It is located inside the air conditioner at the center. Is it humming or making any kind of continuous noise or causing the lights to dim? If it is making a continuous noise, and your air conditioner is still not cooling at all, there may be a serious problem with one or more of these areas:

  • Compressor

  • Condenser

  • Evaporator

These items are not user serviceable. You will need to contact a qualified appliance repair technician to repair these components.

If the compressor is not running but you do have power to the air conditioner there may be a problem in one or more of these areas:

  • Compressor

  • Overload and/or relay

  • Thermostat (Open thermostat)

  • Burnt wiring

  • Bad selector switch

  • Capacitor

The air is cool but doesn't seem cold enough If the air doesn't seem cool enough it is necessary to use a thermometer to check the difference in temperature between the air going into the unit and the air being blown into the room. Ideally, the temperature difference should be more than 15 degrees. For example, if the temperature going into the air conditioner is 80 degrees, the temperature coming out of the unit should be at least 65 degrees or less. If the difference is 15 degrees or more there is probably no cause for concern. If the temperature difference is less than 15 degrees you should check the following:

  • Air damper

Check to make sure the air damper is closed. If it's open, it will bring in outside air and reduce the efficiency of the unit.

  • Back cover

During the winter season many people cover their air conditioners to protect the unit from the weather. In the spring or summer they will sometimes forget to remove the cover. If your unit has a cover on the outside portion of the air conditioner remove the cover first.

  • Condensing coils

The condensing coils will always be on the "warm" side of the air conditioner. That is, on the side that faces outside of the room to be cooled. Air is drawn into the back of the air conditioner on the sides through vent slots and is blown directly out through the condenser coils. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. To clean the coils it will be necessary to remove the entire cover of the air conditioner or pull it out of the wall to gain access to the coils. They can be cleaned by blowing compressed air at them or by using a soft bristle brush to wipe the dirt off. It is important to also clean any dirt or lint build-up in the bottom of the air conditioner so the condensate water will be picked up by the condensing fan slinger properly.

Jul 05, 2009 | LG Goldstar GWHD5000 wall/window Air...

1 Answer

Ac not blowing cold after outside temp reaches 98 degrees


Sounds like you have dirty condenser coils. Remove the upper shroud and check the condenser for clean. Take a water hose and gently spray out the coils paying special attention not to bend the coils over with too much pressure. This will allow more air movement through the coils and give you better cooling efficiency.

Hope this helps,

Jeff

Jun 29, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Hot air blows unless the temp is turned down to 66 degress


well ? Does It get cold @ 66 Degrees? And If so.. Aint 66 degrees cold?

Mar 15, 2009 | 2004 Honda Odyssey

1 Answer

When i turn my a/c on it makes a *tink* noise but the fan still works ((its not cold))


The fan runs but there's no cold air? Is the air conditioner completely dead? See section 1. Is the thermostat knob turned to the proper setting? Is the compressor motor running? The compressor is a football-sized case with no apparent moving parts. It is located inside the air conditioner at the center. Is it humming or making any kind of continuous noise or causing the lights to dim? If it is making a continuous noise, and your air conditioner is still not cooling at all, there may be a serious problem with one or more of these areas:

  • Compressor

  • Condenser

  • Evaporator

These items are not user serviceable. You will need to contact a qualified appliance repair technician to repair these components.

If the compressor is not running but you do have power to the air conditioner there may be a problem in one or more of these areas:

  • Compressor

  • Overload and/or relay

  • Thermostat (Open thermostat)

  • Burnt wiring

  • Bad selector switch

  • Capacitor

The air is cool but doesn't seem cold enough If the air doesn't seem cool enough it is necessary to use a thermometer to check the difference in temperature between the air going into the unit and the air being blown into the room. Ideally, the temperature difference should be more than 15 degrees. For example, if the temperature going into the air conditioner is 80 degrees, the temperature coming out of the unit should be at least 65 degrees or less. If the difference is 15 degrees or more there is probably no cause for concern. If the temperature difference is less than 15 degrees you should check the following:

  • Air damper

Check to make sure the air damper is closed. If it's open, it will bring in outside air and reduce the efficiency of the unit.

  • Back cover

During the winter season many people cover their air conditioners to protect the unit from the weather. In the spring or summer they will sometimes forget to remove the cover. If your unit has a cover on the outside portion of the air conditioner remove the cover first.

  • Condensing coils

The condensing coils will always be on the "warm" side of the air conditioner. That is, on the side that faces outside of the room to be cooled. Air is drawn into the back of the air conditioner on the sides through vent slots and is blown directly out through the condenser coils. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. To clean the coils it will be necessary to remove the entire cover of the air conditioner or pull it out of the wall to gain access to the coils. They can be cleaned by blowing compressed air at them or by using a soft bristle brush to wipe the dirt off. It is important to also clean any dirt or lint build-up in the bottom of the air conditioner so the condensate water will be picked up by the condensing fan slinger properly.
if this helps please vote me a fix ya

Jul 18, 2008 | Heating & Cooling

2 Answers

Cooling problems


Check the filters inside and the evap coil to make sure it isnt filthy. The evap coil can be cleaned with a credit card if its wet. The large line outside should sweat all the way to the compressor if its got enough freon. Will freeze when its cool outside or not sweat at all if its low. Good luck with it.

Jul 30, 2007 | Ruud UAKA030 Air Conditioner

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