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Not cooling rooms, air not cold coming out from vents. system is 1.5 years old.

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  • nishlee Jul 31, 2008

    It is a Carrier model 38brc024330

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I called the contractor and found out there is a leak outside.

Thanks

Posted on Jul 31, 2008

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Posted on Jan 02, 2017

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Blows very cold air during dehumidify mode.


se this fact: God bless you
air conditioning system cools but does not dehumidify the room. The most common cause of inadequate dehumidification by an air conditioning system is the installation of a cooling unit which has too much capacity, or is "over-sized" for the space it is being used to cool. What happens is simple:

If an air conditioning compressor unit is oversized (too many BTUH of cooling capacity) what happens is it cools the room so quickly that the system does not move enough total volume of air across the cooling coil to remove much moisture before the room temperature has dropped to the A/C cut-off point.

In other words, an air conditioner needs to run longer, and move more total volume of air through itself to drop room humidity than it does to just cool the air. So "bigger" cooling capacity or higher BTU capacity for an air conditioning system is not necessarily better, and it can actually be a problem.

Sep 30, 2012 | Heating & Cooling

1 Answer

How to close off rooms that don't need cooling...


You may be able to close off 2 of the 4 vents without any problems, but it's up to your system and your house if it works or not. This is the basics:

1. Your A/C is sized to the sq. ft. Of the living space it has to condition. 1 ton for every 400sq. Ft. Your outside unit is matched with the indoor coil and needs this certain amount of cfm's to operate correctly, shuting off too much air will usually cause the system to freeze up and become less efficient.
2. Shutting off returns will further cause problems because your pulling in less air than needed. A dirty filter will cause a similar restriction like closing off returns and the system will once again, freeze.
3. Leaving rooms unconditioned can cause the other rooms to become warmer. You can have the whole house conditioned except one room that has a high heat load and will cause the rooms around it to raise in temp. Kind of like having no insulation in the attic will leave your system useless.

So yes, you can try to shut off two of the vents, I wouldn't do returns, and see how your system holds up. There are many factors involved in weather it works or not. Hope this helps, have a good day!

Jun 29, 2012 | Heating & Cooling

1 Answer

Our 5-year old PANASONIC AIRCON is not cooling like before; it cools for about 2 minutes then the air becomes warm for about 5 minutes before cooling again. Overall, it cannot make the room cold but...


Your filter is clogged, causing the unit to oerheat. You need to pull at the top of the vented cover on the front of the unit. It will hinge down and allow access to the filter. Rinse the filter in the sink, and blott it dry between two towels. Reinstall it and you should be fine.

May 07, 2011 | Panasonic Heating & Cooling

1 Answer

Cant keep cool


You need to check that tour filters are new. Then check that air is coming from the vents and is at least 15 degrees cooler than room temp. If no air coil is frozen, or blower motor and run cap are not working. If frozen than turn system to off and fan switch is on until you feel air through vents.
You'll need to make sure the outside unit is runing and the larger copper line is cold like a can soda. If it's cold but is freezing up, it needs to have a charge added. If its running but not cold and the fan is not running or the compressor isn't running it could have a blown capacitor. If its not running at all check. the circuit breakers and reset them. And a good idea to keep the outside unit washed with water,and that it is clear of weeds and stuff.

Jul 10, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

What's the difference between dry and cool setting and when should dry be used


Dry is a dehumidifier option. There is a heating element in the unit to heat the cold air back up. The cold evaporator coil causes the moisture in the air to condense on the coil (this is why the AC leaks water) and the air coming out of the vents will be cold. If you are not wanting to lower the temperature in the room but want to take out the moisture then use DRY. All ACs take the moisture out of the air when they are on COOL. So, COOL drys the air and makes it cold. DRY drys the air but warms it back up before sending it out the vents.

Jun 14, 2010 | LG LWHD2500ER Wall/Window Air Conditioner

1 Answer

Doesnt cool room as in prev years


yes the side vents need to be outside the window and if they aren't - the unit will not cool correctly.

Hope this helps.

Jun 08, 2010 | Goldstar WG5000 Air Conditioner

2 Answers

Refigerator is not cooling properly. Temp


Refrigerator or freezer is not cold enough check this part:

* Check the temperature setting
* Assure that there is enough room for air flow in the refrigerator or freezer
* Check for air flow restrictions in vents
* Test the temperature control
* Clean the condensor coils
* Check the door seals
* Test the door switch
* Test defrost heater
* Test defrost timer
* Test evaporator fan
* Check for a clogged drain tube
* Check for refrigerant leak

Mar 28, 2010 | GE Profile Stainless Bottom-Freezer...

1 Answer

Central Air Conditioning


It sounds like a restriction in your ducting. Feel the A/C vents in the hot rooms to see if cold air is blowing out of them. If the ducts are restricted, then it is possible that the air conditioning coils are freezing up from lack of circulation. Inspect the ducts if you can to see if there is any restriction.

Note that even if you feel air coming out of the ducts, it could be ambient as opposed to cold. The best thing is to measure the air temperature coming out of the ducts. It should be around 20 degrees colder than the ambient air at the intake of the A/C.

Sep 03, 2008 | Computers & Internet

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