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, but they are less efficient than newer models, prompting many homeowners to replace them even if they still work.Know More
Once a furnace reaches 15 to 20 years old, its owner should start shopping for a new one. Shopping early allows a homeowner to research the market and leisurely find the best model for their needs. In contrast, if the homeowner waits until the furnace dies, they are forced to shop quickly.
Rising energy bills are usually a sign that the furnace is nearing the end of its lifespan. As furnaces get older, they run less efficiently. Proper maintenance is one way to keep them running efficiently for longer.
As furnaces age, they tend to need a lot of improvements. Homeowners may find themselves spending hundreds of dollars one year just to repeat the pattern the following year. If a furnace is breaking down yearly, it usually indicates that it needs to be replaced. As the furnace ages, it also takes longer to get replacement parts because the repairman usually has to order them.Learn more about Heating & Cooling
Wall furnaces are generally used for heating a single room, while central furnaces send warm air throughout the structure. Most standard furnaces use natural gas, propane or heating oil, while many wall furnaces use electrical heating.Full Answer >
Goodman furnaces are superior products to Lennox furnaces, according to furnace review website FurnaceCompare. While both manufacturers produce models rated as top-ten furnaces of 2014, Goodman furnaces came in at first and third place, but Lennox products placed eighth and ninth.Full Answer >
The best furnace is one that is the right size for the space, efficient and reliable and has the right features for the specific buyer and home. The furnace should also be installed by a reputable and experienced contractor who is aware of how to correctly calculate a home's heating needs.Full Answer >
Troubleshooting a furnace that does not turn off begins with examining it for a malfunction or clog. The thermostat, air filter and fuel supply can all be examined in less than an hour. If the error cannot be identified during these steps, contact your manufacturer and have a certified technician examine the furnace.Full Answer >