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Symptoms of a Failing Heater or Furnace: How to Spot the Problems Before It’s Too Late!

Symptoms of a Failing Heater or Furnace: How to Spot the Problems Before It’s Too Late!

As the winter chill sets in, a reliable heating system becomes crucial for home comfort. Recognizing the signs of a failing heater or furnace is key to preventing unexpected breakdowns. In this article, we’ll explore the symptoms of a struggling heating system and emphasize the importance of regular professional maintenance, especially during the winter months. At Resource Services in Des Moines, IA; “Preserving the great indoors” is what we do!

Whatever your home heating needs, call US RIGHT AWAY AT (515) 266-9900, 24 hours a day, seven days a week for service you can count on. Calls are answered by knowledgeable and experienced technicians. We take the time to explain in detail any repairs or service necessary to restore your furnace or air conditioner to its proper working condition.

Symptoms of a Failing Heater or Furnace:

  1. Inconsistent Heating:
    • Uneven heating across rooms or inconsistent warmth may indicate a problem with your heating system.
  2. Strange Noises:
    • Unusual sounds such as banging, clanking, or squealing can be indicative of mechanical issues within your heater or furnace.
  3. Increased Energy Bills:
    • A sudden spike in energy bills without a corresponding increase in usage may suggest an inefficient or malfunctioning heating system.
  4. Frequent Cycling On and Off:
    • Rapid cycling or frequent on/off cycles could signify a malfunctioning thermostat or an issue with the heating system’s components.
  5. Reduced Airflow:
    • Poor airflow or weak ventilation could be a sign of clogged filters, a failing blower motor, or ductwork problems.
  6. Visible Leaks or Rust:
    • Leaks or rust around your heater or radiator may indicate a potential issue with the system’s integrity and efficiency.
  7. Yellow or Flickering Pilot Light:
    • A pilot light that is yellow instead of blue or flickers may indicate incomplete combustion and the presence of carbon monoxide.
  8. Foul Odors:
    • Strange smells, especially burning or musty odors, can be a sign of dust buildup, a malfunctioning motor, or even potential safety hazards.
  9. Age of the System:
    • Heating systems have a lifespan. If your system is approaching or exceeding its expected lifespan, it may be prone to more frequent breakdowns.
  10. Failure to Respond to Thermostat Changes:
    • If your heating system is not responding to adjustments in the thermostat settings, there may be an issue with the controls or sensors.

Importance of Professional Maintenance:

Regular maintenance by a licensed, insured, and bonded technician is crucial for a well-functioning heating system, especially in winter.

  • Safety Assurance: Professional technicians can identify and rectify potential safety hazards, such as carbon monoxide leaks.
  • Optimal Performance: Regular maintenance ensures that your heating system operates at peak efficiency, providing consistent warmth throughout your home.
  • Early Issue Detection: Professional technicians can spot and address potential problems before they escalate, preventing costly breakdowns.
  • Prolonged Lifespan: Regular maintenance can extend the lifespan of your heating system, delaying the need for costly replacements.
  • Cost Savings: Addressing minor issues during routine maintenance is more cost-effective than dealing with major repairs or replacements.
  • Peace of Mind: Knowing that your heating system has been inspected and maintained by a professional provides peace of mind during the coldest months.


Resource Services can give your home heating and cooling equipment a safety and efficiency check. Iowa winters can be long and cold enough without the added discomfort of a cold house to come home to at the end of the day. Get reliable relief from the harshest winter temperatures with the right heating solution for your home. Our certified technicians service, repair and install all of today’s heating systems including furnaces, heat pumps, and more.

We service and install all the top furnace brands. Regular maintenance from a certified Resource Services technician is the surest way to ensure your heating source is in optimal working condition, saving you in future repairs and extending the life of your system for years to come. Call anytime 24/7 for all your heating needs. And let us help you preserve the great indoors no matter how cold it is outside.

Resource Services, 24 hour, 7 day a week service line: 515-266-9900

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Bonded, Insured and Licensed #50168

Symptoms of a Failing Heater or Furnace

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