New AC/Heat pump system


Old 01-15-13, 02:24 AM
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Join Date: May 2007
Location: USA
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New AC/Heat pump system


I have a 2400 sq foot 2 story home that has an old Carrier 2 zone ac/heat pump system on it which needs to be replaced. The model # of the Carrier unit which I have installed now is 38BYB036300. The unit uses 2 thermostats and a control zoning board to control the unit.

I had a contractor come out last weekend to give me a quote for a new Lennox unit and this is what he suggested:

This unit comes with an unconditional 3 year written guarantee but it does come with a hefty price of over $10,000.

Please let me know if this is the unit you would go with or would you suggest a different unit. My next door neighbor has a Lennox Elite system and I have to admit the unit is noisy.

I would appreciate any information you could give me.


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Old 01-15-13, 03:48 AM
chandler's Avatar
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Glenn, the HVAC guys will chime in here shortly, but from my personal experience I had our older system replaced a couple of years ago with a Trane XL15 (I think that is the number) and a compatible air handler. It is so quiet you have to be within 10 to hear it run. It has dual coils in the condenser for what seems to be a better circulation of the coolant with more exposure. I had an electronic filtration system, but on their last service call suggested going with the 4" media filter since we have dogs. The zoning system is a good idea, but we don't have a need for that.

One other point, my Trane has a solid top on it, and is not exposed to wet icy slushy snow on the blades, like we get here in the south, which literally destroyed my old heat pump. Ice would build up on the blades and when (if able) the pump came on, the blades slung the ice through the coils. Not pretty.

Like I said, mine is a personal preference, so let the pros check in with their assessment of your suggested system.
Old 01-15-13, 06:31 PM
hvactechfw's Avatar
Join Date: Jan 2011
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You have listed 2 heat pumps and 2 air handlers and 2 zoning systems, not sure exactly what kind of system you are getting. Personally, I don't like Lennox, but that is just a preference. For the most part brand does not matter it is all in the proper installation.

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