I have 2, 4 ton Lennox HVAC units here...1 on each side of the house. One is about 6' from my west facing shack window. I have no audible interference from either unit.
RickMy 10yr old Lennox G71 furnace will be replaced on Tuesday with a Lennox SLP98 due to a flood.It comes with a "no RFI" guarantee.GL de Barry
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