View Full Version : 2 stage heat pump on non-variable speed oil furace
10-06-2005, 09:15 PM
What do you think of a LENNOX hpx19 or hpx16 on a 023q4/5120 oil furnace? Would it be better to go with a variable speed oil furnace to get MAX comfort and performance.
10-06-2005, 09:30 PM
We have a couple 2 stage a/c's on multi speed blowers. They don't have the ability to match the cfm's on first stage. So they don't dehumidify as well. I would think the air will be cooler in first stage heat then also.
10-06-2005, 11:09 PM
It was discouraged at our Lennox dealer training to match a two stage AC with out a variable speed inside unit. I would assume that would hold true for a HP also. It is an air flow issue as stated above.
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