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  1. #1
    Join Date
    Mar 2008
    Location
    Minneapolis,MN
    Posts
    4

    Unhappy Tired old Lennox

    I have a 1970’s house up here in Minnesota. My air conditioner is Lennox brand HS6-261-8FF-FW. Last summer it stopped working, the compressor would cycle and the fan would not spin. A local service tech removed some refrigerant and it worked for a month and then died again. We are selling our house and the compressor not only is broken, it is unsightly. Researching the part number I learned that it is 2 ton or 26,000 Btuh. I would like to replace just the compressor in interest of saving money. My question is what to replace it with. I found that Lennox has a Merit series 13ACD that uses R22. (I think that mine is R22). Would that be a good economical choice? Should I stay with the same type refrigerant? My furnace is a Lennox as well. What price range would I expect to pay for a compressor unit? We have several local HVAC companies around but I would like to be informed going into this and any information would be most helpful since I am likely to take it in the shorts on the sale of my home.

  2. #2
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,369
    Make sure you change that indoor coil, too. Putting a new condenser on a coil that may very well be as old as the HS6 was is NOT a good thing. That said, the 13ACD is of Lennox's low end line. They make better stuff than this. I did however catch my eye on a 13HPD-024 (I think) and was impressed at how quiet it was. That doesn't make it any tougher though--it's basically a builder model.

  3. #3
    Join Date
    Sep 2002
    Location
    I don't know
    Posts
    2,903
    If the furnace is the same age you should have it thoroughly inspected; the heat exchanger could be cracked.

    Also note that the replacement equipment doesn't have to be Lennox.

  4. #4
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,614
    just replace the complete system, do you know how many people tell you they dont want to spend alot because they are going to sell .so replace the complete system and enjoy the savings and comfort until you do sell even if you go with the builders line like the 13acd

  5. #5
    Join Date
    Mar 2008
    Location
    Minneapolis,MN
    Posts
    4
    If a compressor is rated at,say 2 tons, shouldn't it perform the same throughout the different lines? Is a better model going to last longer and/or be quieter but still provide the same amount of cooling??

  6. #6
    Join Date
    Sep 2002
    Location
    I don't know
    Posts
    2,903
    Quote Originally Posted by 270degree View Post
    If a compressor is rated at,say 2 tons, shouldn't it perform the same throughout the different lines? Is a better model going to last longer and/or be quieter but still provide the same amount of cooling??
    Pretty much; capacity varies slightly however.

  7. #7
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,614
    some 2 ton units have only 21000 btu and some have 25000 btu depends on the complete system i dont know about where you live but here in south Texas home inspectors really ding old hvac systems

  8. #8
    Join Date
    Mar 2008
    Location
    Minneapolis,MN
    Posts
    4
    Thanks. I want to go cheap and I will likely only replace the compressor since my house will be on the market in a few weeks. Your help is appreciated.

  9. #9
    Join Date
    Mar 2008
    Location
    20141
    Posts
    1,152
    Quote Originally Posted by 270degree View Post
    Thanks. I want to go cheap and I will likely only replace the compressor since my house will be on the market in a few weeks. Your help is appreciated.
    I don't know about where you guys are from but we charge $1700 to change a compressor...and for about 500 bucks more we can change the entire outdoor unit. Something else to think about...what if you don't sell the house in the time frame you're thinking? Maybe I'll make this my signature but do it right or don't do it at all. With a new unit you get a warranty on all the parts and the compressor. what happens if you change the compressor and then this summer on a hot day the capacitor goes? theres another couple hundred bucks...wouldn't it be worth it to just get an new unit and not worry about it? Oh, and be sure they do an acid test before installing a new compressor. If there is presence of acid you MUST replace to evap coil as well. Also if you do change the outdoor unit make sure that you don't have to add a TXV inside as well.
    Last edited by addamsmasher; 03-19-2008 at 11:56 PM. Reason: thought of something else

  10. #10
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,917
    The HS6 had the old RFC system where the liquid line is the meter. It was designed for super low SEER. If you hack a new outdoor unit on that system, your performance and efficiency will be compromised and you will shorten the life of the unit. The only way to do it right is new lineset & coil. You cannot just change the coil either, do it all. If you do the cheap way, hopefully the buyer's home inspector will warn them of the hackery

  11. #11
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,369
    By compressor, I think you may mean condenser due to your previous reference of the 13ACD. Do you mean the actual outdoor unit or one part of the outdoor unit? You're not doing yourself any favor by just doing the outdoor unit--you need a matching coil (not necessarily furnace).

  12. #12
    Join Date
    Feb 2007
    Location
    S.E. Missouri
    Posts
    258
    Baldloonie, is that the series that the liquid line was basically a capillary tube?

  13. #13
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,917
    exactly

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