No, furnaces should not leak – but they do. Water and forced air furnaces just don’t mix. Furnaces in cold climates often have water flowing through humidifiers in the plenum. These humidifiers can leak. A modern high-efficiency furnace (over 90%) works by condensing steam from the products of combustion; this produces water that must be drained from the furnace.
No, furnaces should not leak – but they do. Water and forced air furnaces just don’t mix. Furnaces in cold climates often have water flowing through humidifiers in the plenum. These humidifiers can leak. A modern high-efficiency furnace (over 90%) works by condensing steam from the products of combustion; this produces water that must be drained from the furnace.
By Tom Feiza, Mr. Fix-It, Inc. HowtoOperateYourHome.com The efficiency of forced air furnaces has changed dramatically. From roughly 1920 to 1980, ...
