As winter approaches, homeowners are being advised to check their furnaces for signs of wear and inefficiency. ABC Home & Commercial Services highlights several indicators that a furnace may need replacement before the colder months set in.
Furnaces typically last between 15 and 20 years. As they age, their efficiency can decline, leading to higher energy bills and inconsistent heating. According to ABC Home & Commercial Services, if a homeowner notices a sudden increase in utility costs, it could be due to an aging furnace that is no longer operating efficiently.
Other warning signs include rooms that remain cold despite the heat being on, unusual noises or smells coming from the unit, and frequent cycling on and off. Uneven heating throughout the home can also signal underlying issues with the furnace or ductwork.
Repeated repairs are another indicator that it may be time for a new unit. If repair costs exceed half the price of a new furnace, experts recommend considering replacement rather than continuing to invest in an old system.
The company emphasizes safety concerns associated with older furnaces. “A cracked heat exchanger is a risk that could produce dangerous amounts of carbon dioxide,” ABC Home & Commercial Services notes. In such cases, replacing the furnace is often safer than attempting repairs.
Homeowners are encouraged to consult HVAC professionals for regular maintenance and advice on whether their current system should be replaced. Professionals can assess the condition of existing units and recommend suitable replacements if necessary.
ABC Home & Commercial Services warns against DIY repairs due to potential risks: “Furnaces are complex systems, and trying to work on them without special training and tools can create larger problems and can even lead to damage to your home.”
Licensed specialists from ABC Home & Commercial Services are available around the clock for HVAC repairs or issues such as noisy furnaces or persistent breakdowns.



