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  1. #1
    Join Date
    Jul 2011
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    Carrier 58MVB vs Lennox SLP 90k BTU

    I need some input to make a sound choice.

    I live in Winnipeg MB. Canada with a seasonal temp. change from +40 C to - 40 C. My 15 year old Bungalow is 3800 sqf and fully finished up and down.
    I have had two analyzes done, with a conclusion of 90k btu furnace to be the right size.
    I am concidering the carrier 58mvb or the Lennox SLP.
    I also need a neew 14 seer /2.5 ton Ac .

    Any thoughts


  2. #2
    Join Date
    Feb 2008
    Post Likes
    Interesting... I am not a pro but that seems like a smallish furnace for such a big structure in the great white north. A friend just had a new Trane system installed yesterday here in Maryland, USA, about 3200 sq ft single family and he got a 100k furnace. I have an 80K furnace in my 3-level 2600 sq ft inside unit townhouse that has 2 shared walls and it seems about right. I haven't done the math but don't think we get anything near as cold as you guys so you must have an incredibly well insulated house... or 90k is smallish.

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