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Haier Serenity Series Window A/C COIL FREEZE

johnnytuinal

Premium Member
Joined
Jul 30, 2021
Messages
2
Location
Poconos
Model Number
Haier Serenity
Brand
GE
Age
Less than 1 year
I bought 2

Haier Serenity Series air conditioners (6000 and a 8000 BTU} COIL FREEZE​

Last year I installed a New 8000BTU and seems to run OK,but the problem if I keep it Low the Coil will Freeze up
and I would have to increase the temp from 61 too 68 (anywhere from 61 - 66 coil will freeze up}To unfreeze it I have to turn the Temp up too
68 and that will defrost the coil.This year it have freeze but not as much if I up the unit at Medium temp and at 61..
The room its in has lots of room.
This year I put the 6000BTU in the Bedroom and the same thing happens in the Bedroom at Low Temp so I keep the AC at
Med and at 61 and only Freezed ONCE.

I have had LOTS of window air conditioners and some did not blow Cold air or would breakdown sooner then they should have.
Buttttt Never had any of my air Conditioners have Coil Freeze on them, and these are NEW.
What do you good folks think?
GE sent me a coupon for $349 on my next purchase on any product.............JT
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
43,698
Location
Murray, Utah 84107, United States
The unit isn't the problem. It has a lot to do with the ambient temperature. Once the ambient temperature reaches around 100° the condensor has a hard time removing the heat from the refrigerant. The refrigerant enters the evaporator as a saturated gas instead of a liquid and causes the compressor to work harder to maintain the set temperature. Anything lower than about 70°, the compressor will run continuously trying to reach the set temperature and doesn't cycle off. This causes the evaporator to start building a layer of frost. It happens more often if the unit is too small for the room. It's also common in places where the humidity is high.
 

johnnytuinal

Premium Member
Joined
Jul 30, 2021
Messages
2
Location
Poconos
I have had many 8000BTU air Conditioners in the living room and NONE had a Coil Freeze up.
As for the 6000BTU in a small bedroom I also had many 6000BTU air Conditioners and NONE freeze up also.
As I have been reading many reviews ,many people have problems with Freezed Coils on their
Haier Serenity ACs.
To me it seems that it must be a design fault,GE said that they don't make the unit anymore(Still can buy it on Amazon for now}As I said I have had Many 6000BTU ACs in my bedroom and I kept them all at 61 degrees and NONE Frozed....JT
 

jazzwineman

Premium Member
Joined
Aug 10, 2021
Messages
4
Location
Dallas. Texas
I bought 2

Haier Serenity Series air conditioners (6000 and a 8000 BTU} COIL FREEZE​

Last year I installed a New 8000BTU and seems to run OK,but the problem if I keep it Low the Coil will Freeze up
and I would have to increase the temp from 61 too 68 (anywhere from 61 - 66 coil will freeze up}To unfreeze it I have to turn the Temp up too
68 and that will defrost the coil.This year it have freeze but not as much if I up the unit at Medium temp and at 61..
The room its in has lots of room.
This year I put the 6000BTU in the Bedroom and the same thing happens in the Bedroom at Low Temp so I keep the AC at
Med and at 61 and only Freezed ONCE.

I have had LOTS of window air conditioners and some did not blow Cold air or would breakdown sooner then they should have.
Buttttt Never had any of my air Conditioners have Coil Freeze on them, and these are NEW.
What do you good folks think?
GE sent me a coupon for $349 on my next purchase on any product.............JT

How did you get GE to send you a coupon?

Here is my problem- does this seem like yours?

----------------
This is the second Haier 6000 BTU (QHM06LX) unit I have gotten. I use this for zone cooling in my window near the kitchen and dining area as I do have Central air, but those areas are the furthest from the Central AC.

The first one lasted 2 summers and then started to freeze up at all temperatures. Either it developed a leak from nowhere or there was some internal mechanical problem. I clean the filter every week, keep the evaporator fins clean as well as the condenser fins. In winter I put a protective cover over the whole outside part as I do a more more robust install or weather and bugs would get around the unit with the windows I have. I regularly use coil cleaner on the condenser coils. There is zero problem with airflow at any location in the AC.

So I bought last summer another one just the same as before. Did my same robust install and then this winter kept it covered again.
Started it at the beginning of summer here in Texas and everything worked fine. Since I get the west sun in the afternoon in that area and I run it at high and set at 64 so that is runs al the time.

The other day it was 99. i was gone for about 70 minutes and came in and found it frozen on the top part of the evaporator and in the unit the suction filter and line to the compressor was covered in ice. It was a simple procedure in hot temps to unfreeze. I had cleaned the filter the night before and the evaporator coils/fins look brand new.
I then unplugged the unit, got my coil cleaner, sprayed it on the condenser coils/fins, let it do it's work and then hosed it off well and cleaned up the tray where bugs or pieces of leaves sometimes fall.

Started it up and all seemed to work well for the rest of Wed, Thursday and Friday.
Then Saturday in the middle of the afternoon with the temp at 99 degrees the same freeze up. The unit is clean, the coils and fins are clean, the front blower blades are clean, the condenser fan is 90% clean. Clearly there is either a malfunction of some sort or a coolant leak has come about from nowhere. It seems to operate in the defined specifications and the air coming out of the vents is about what I would expect using my IR temp monitor. Today I set it at 70 and left for about 90 minutes and it was starting to freeze again when I got back. Now if I turn it on and the condenser comes on, then 2 or 3 of the copper pipes going to the evaporator want to frost up quickly.
Apparently there is a serious reliability problem with these units and there seems to be no valid reason for it to freeze up being this new.

The only thing I might mention is that one of the vents of the Central Ac us nearby and may lower the temp of the air going over the evaporator coils. Could that be a problem?

Does anyone have a suggestion as to what could be the problem if not the machine. I have run it allowing water to drip and run it with the plug in for water to hit one the condenser coils. Would that make a difference.

Any help is highly appreciated.

Thanks

Tom in Dallas/Plano
 
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