R A Bennell wrote: > My furnace is old enough that I might manage it. It still has a pilot > light and no exhaust fan.
FWIW, you could probably get a 20-35% increase in efficiency if you upgraded. The new condensing furnaces (two heat exchangers, PVC exhaust) are up to 95% efficient, ones with just an exhaust fan are around 80%, and I think the draft furnaces are around 60%. John -HVAC nerd _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com