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5 Telltale Signs Your Furnace Needs Maintenance

changing furnace air filters
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A reliable furnace is essential during the colder months in Essex County. Whether you live in Ipswich or anywhere along the North Shore, your home deserves to stay warm without sudden breakdowns or high energy bills. At Morris Plumbing, Heating & Air Conditioning, we’ve helped local homeowners stay comfortable for over 20 years by providing expert furnace maintenance and repairs. If your system is showing signs of wear, here’s what to look for—and when to give us a call.

1. Uneven Heating Around the House

Are some rooms in your home colder than others? This could be a sign that your furnace is struggling to distribute heat evenly. Poor airflow, dirty filters, or malfunctioning components can all lead to inconsistent heating. Routine maintenance can catch these issues early and restore balanced comfort.

2. Unusual Noises or Smells

A furnace should never sound like it's falling apart. If you hear rattling, banging, screeching, or grinding, it’s time to schedule a checkup. Odd smells—like burning dust, chemicals, or even gas—can signal problems ranging from dirty burners to dangerous leaks. Don’t ignore these warning signs; call a professional immediately.

3. Rising Energy Bills

Have your heating costs suddenly jumped without a change in usage? Your furnace may be losing efficiency due to clogged filters, worn-out parts, or poor calibration. A maintenance visit from Morris Plumbing, Heating & Air Conditioning can help bring your system back to peak performance and save you money all winter long.

4. Furnace Cycling On and Off Frequently

Short cycling—when your furnace turns on and off too quickly—can put extra strain on your unit and fail to heat your home properly. This is often caused by a dirty flame sensor, clogged filter, or a faulty thermostat. During a maintenance service, our team will inspect all components and correct any issues before they cause further damage.

5. Yellow Pilot Light or Ignition Trouble

A healthy pilot light should burn blue. If it’s yellow or flickering, that could indicate a ventilation issue or the presence of carbon monoxide—both of which need immediate attention. If you have trouble starting your furnace or keeping it running, don’t wait. Our expert technicians can inspect your system and ensure it's safe and functioning properly.


Keep Your Furnace Running Smoothly

Preventative maintenance is the key to avoiding major repairs and extending the life of your system. At Morris Plumbing, Heating & Air Conditioning, we offer thorough furnace inspections, cleanings, and tune-ups to keep your heat running safely and efficiently all season long.

If you've noticed any of these signs, don’t wait for your furnace to fail during a freezing Essex County night. Call us at (978) 961-0338 to schedule your professional furnace maintenance today.