Condensing furnaces offer many consumers the benefit of higher efficiency and thus lower energy bills, but for many homeowners, comfort is the primary reason they choose to purchase such equipment.

ENERGY SAVINGS: According to Lennox Industries Inc., replacing an older furnace that is 60 percent efficient with one that is 98 percent efficient can save homeowners up to $11,469 over the life of ...

Advocates say stricter efficiency rules can be met with proven, energy-saving technologies. The gas industry says the rules ...

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Question: When changing my furnace filter I noticed a small pool of water on the floor. The furnace is a 12-year-old high-efficiency model used to heat the home through metal ducts. I did not see ...

Question: While changing the filter in my furnace I noticed a pool of water and some rusting in the bottom of the furnace near the burners. I have not yet used the air conditioner this year, so where ...