grnrider10 Posted January 12, 2010 Report Share Posted January 12, 2010 I'm replacing my old furnace with a Lennox high efficiency furnace. I live in a very cold location. When getting quotes I rec'd differing info from 2 qualified dealers re my existing cold air duct. One said that it should be removed and/or shut off as it would put too much cold air in the house & isn't required with the new furnace. The other one said to keep it (although it isn't required under code) as it is needed for the hot water heater. Who is correct? Thanks in advance for any assistance. Quote Link to comment Share on other sites More sharing options...
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