1. Manuals
  2. Household Appliance Support
  3. Lennox International Inc. Support
  4. Furnace Support
Support User Manuals
Question About Lennox International Inc. Furnace G23
G11 furnace efficiency...

I need to replace 2 g11 110 btu furnaces and would like to know what was the approximate efficiency of the G11 furnaces (installed 1979).

Asked by Don on 09/17/2010 1  Answer

ManualsOnline posted an answer 14 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual