Common Heating Misconceptions Explained

One of the most persistent myths in home heating is that any unusual noise coming from your furnace signals an expensive repair bill in your future. At Magtek Mechanical, we regularly encounter worried homeowners who lose sleep over a clicking or humming sound from their heating system.

Let’s break down this misconception:

Normal Furnace Sounds vs. Concerning Ones

Common sounds that are usually harmless:
• Light clicking when the system starts or stops
• Gentle humming from the blower motor
• Soft whooshing from air movement
• Minor expansion/contraction noises

However, some sounds do warrant professional attention:
• Loud banging or clanking
• Persistent squealing
• Rumbling after the blower turns off
• Metal-on-metal scraping

The Truth About Furnace Noises

Many noises simply indicate normal operation or minor issues that require basic maintenance. Regular maintenance can prevent most serious problems, and early attention to unusual sounds often prevents costly repairs down the road.

Preventative Steps

1. Schedule annual maintenance
2. Change filters regularly
3. Keep vents unobstructed
4. Listen for changes in normal operating sounds

Remember, while not every noise signals disaster, it’s always best to have a professional evaluate any new or concerning sounds. Serving New Lenox, Joliet, Frankfort, Mokena, and Tinley Park, Magtek Mechanical is here to help distinguish between normal operation and potential issues requiring attention.