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I have a Lennox XC13 Air Conditioner. When it is

I have a Lennox XC13 Air Conditioner. When it is turned on, it works for a while. After a drop of a few degrees the blower isn't working as well. A lot of condensation appears on the unit and tubing. So much that a pool of water appears on the floor. Ice bulds up on one of the bolts of the unit.

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You more than likely have a refrigerant problem. When the unit is under/over charged, it will freeze up the lines, a-coil, etc. The blower will seem like it's not pushing that much air anymore because of the ice blocking the air flow. Another possibility is the a-coil, which is on the indoor unit, could be dirty and the dirt and grime blocking the air flow can cause the same effect, you have to take the cover off, then take the small cover on the a-coil off, then you will be able to see, but if the air flow is working correctly at first, then slowing down, your problem would be the refrigerant charge. Hope this helps and good luck!

Posted on Jul 14, 2010

Testimonial: "This was very helpful. I had it repaired. Everything was running fine, then the next day the temperature started rising in the house and the blower was constantly running. Called the company, refrigerant problem. So far it is working properly. Let's hope it continues."


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Could you please give me the code for a Lennox HG31ES air conditioner? I have just bought a universal remote and haven't got the code. Regards Lynda

I doubt a 'universal remote control' will work for air conditioning. They are for televisions and DVD players.

If it is one of these, it should work out of the box.
Full function universal remote control for all brands of air conditioners.
Large electric blue LCD backlight display. A product to satisfy all exigencies, with an attractive design and a full range of original brands covered.
Extremely easy to program with auto-search feature.
With over 2000 codes in the memory it makes this product the most complete on the market.
The big display with Backlight and clarity of indication of the functions complete the huge success of this product.
User manual included.
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Remote control is gold in colour.
*Requires 2X AAA Batteries.

Or you could ask Lennox direct?

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1 Answer

Need a control remot for my 30000 btu Lennox unit

Hi jean, If you haven't found a remote yet then try Ebay OR Amazon..... The link below is an Ebay page showing a few different lennox remote controls, I hope this helps............CHEERS..
remote control for 30000 btu Lennox

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1 Answer

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That hissing sound, if it is on the inside of your home at the furnace then it is probably refrigerant running through the expansion valve. As long as the system is working ok I wouldn't worry too much about it.
The water on the floor indicate a leak in the condensation drain line or pan.

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Any of these Lennox dealers can help you choose a compatible HS29 or HP 29 condenser and evaporator coil to match your system.

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When I first turn on my air-conditioner (it's attached to the furnace) a smell of raw gas comes through the vents. My air conditioner is a Lennox.

Obviously you have a leak in/at/near the furnace. Most gas companies will come out at no cost and do a leak search. Strongly recommend you do that.

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1 Answer

I got a lennox xc13 air condtitioner,not blow cold air

When was the last time you checked or had the freon level checked.

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How old is my Lennox air conditioner?

not positive but looks like 5-8-02

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Need Remote Control for Lennox A/C

Try Heatcraft as they deal with lennox a/c units. Go to their web site is and you will be able to find your nearest store.

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1 Answer

∆ (delta) Test for a Lennox XC21036230 03 Air Conditioner

have you looked inside the control panel? inside the relay boxes?

tnx 4 asking directly,


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