Furnaces have an average life expectancy of 16 to 20 years, and EnergyStar.gov recommends replacing furnaces that are more than 15 years old. Other indications for replacement include increased repair frequency, loss of ... More »

A furnace should be replaced once it is 15 years old, according to Energy Star. Other symptoms indicating the need for a furnace replacement include frequent necessary repairs, problems with humidity and temperature vari... More »

www.reference.com Home & Garden Heating & Cooling

You can replace certain parts of a household furnace by shutting off the power and fuel to the furnace, removing the faulty part, installing the correct parts according to the manufacturer's specifications, and restoring... More »

www.reference.com Home & Garden Heating & Cooling

The average furnace lasts 15 to 20 years. This life span is typical of a furnace with a stainless or aluminized steel heat exchanger. In contrast, old furnaces with heavy metal heat exchangers last for 30 to 40 years, bu... More »

Electric furnaces are cheaper upfront than gas furnaces and have a longer life expectancy. The installation process for an electric furnace is cheaper and, compared to that for gas, poses less risk to safety. More »

www.reference.com Home & Garden Heating & Cooling

According to user reviews on Furnace Compare, multiple customers report that their Amana furnaces did not require a single part replacement over more than 10 years of ownership. However, some complained of faulty control... More »

www.reference.com Home & Garden Heating & Cooling

Many ceiling fan size charts are available at EnergyStar.gov, outlining the basic recommendations for ceiling fan size based on room size. Choosing the proper size of fan for your room ensures the most efficient air flow... More »

www.reference.com Home & Garden Heating & Cooling