When winter is on the horizon, HVAC maintenance is a top priority for homeowners and businesses in Michigan. When you turn on the heat in the fall, keep an eye out for signs it’s time to replace the furnace. The cold weather can strain this essential appliance, exacerbating existing problems and increasing the risk of system failure. Upgrading before winter hits can help you avoid high energy bills, inconvenient shutdowns and expensive emergency furnace repairs.

Signs It’s Time to Replace the Furnace

Many furnaces give warning signs before they fail, though each one is different. One furnace might produce strange smells and sounds, while another might simply become less efficient over time. As you’re preparing your furnace for winter in Michigan, look out for these red flags.

1. The Furnace Is Getting Old

Old age is one of the biggest signs it’s time to replace the furnace. If your furnace is more than 15 years old, it may be time to start considering replacement, especially if it’s showing other warning signs.

Not sure how old your furnace is? Look for a sticker on the exterior with the serial number, and search for it on the manufacturer’s website. You might also be able to estimate the age based on installation or repair labels and paperwork.

2. Your Energy Costs Are Rising

Look through your winter utility bills from the last few years. If your costs have been rising steadily, it could be because your furnace is running less efficiently. This can happen as the system gets older, but it may also be the result of broken parts or inadequate maintenance.

To determine which situation you’re dealing with, think about your furnace upkeep for the same time period. Have you been replacing the filters, keeping up with annual inspections and fixing issues quickly? If so, the furnace may simply be responding to the wear and tear that comes with age.

3. You’re Dealing With More Serious Repairs

Some furnace repairs are normal throughout the lifetime of your system. The air filters might get clogged, or you might have issues with the pilot light. When you start noticing that the repairs are more frequent and expensive, however, it might be a sign that the furnace won’t survive the winter.

Pay particular attention to issues that keep coming back even after regular repairs. For example, furnace short cycling could be caused by blocked airflow. But if it doesn’t go away after a repair, it could also be due to a more serious issue, such as a cracked heat exchanger. So if you’re constantly wondering why your furnace is short-cycling, it could be because there’s a bigger problem that requires a full furnace replacement.

This can happen as furnace components wear with age, creating problems that may make replacement more practical than repair.

4. The Furnace Isn’t Performing Efficiently

When a furnace is reaching the end of its life, it may stop heating your home or building efficiently. You might notice issues such as:

  • Inconsistent performance from day to day
  • Uneven heat distribution between rooms
  • Flickering or discolored flame
  • Rust on the flue vents or heat exchanger

When these symptoms coincide with higher energy bills, it’s probably time to call in a technician. They can diagnose the problem and help you decide whether to repair or replace the furnace.

5. You Notice New Noises or Smells

New noises and smells don’t always mean your furnace needs to be replaced, but they often warrant professional attention.

Banging, squealing and rattling sounds might mean that furnace components are loose, dirty or breaking down. Ignoring them could lead to more damage, including severe breakdowns or system failure.

Furnace smells can mean different things. For example, you might smell a slight burning odor the first time you turn on the heat in the fall. If it goes away quickly, it’s likely just the accumulated dust burning off. Call a professional immediately if you notice persistent odors such as:

  • Burning or smoke
  • Mildew
  • Melting plastic
  • Formaldehyde
  • Burning oil

If you smell sulfur or rotten eggs, you might have a gas leak. Leave the building immediately without operating electrical switches, then call your gas utility or emergency services from a safe location.

Get Help With Furnace Repairs and Replacements

If you notice any of the common warning signs it’s time to replace the furnace, it’s important to schedule a furnace inspection before winter sets in. A professional technician can evaluate your system and determine whether it’s likely to last until spring. That way, you can enter the coldest months feeling confident in your heating system. If you’re in West Michigan or Mid Michigan, call Service Professor to schedule an appointment.

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marketing@atriumhomeservices.com
marketing@atriumhomeservices.com

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