When winter temperatures drop, your heating system becomes the heart of your home.

But what if it starts acting up?

Ignoring minor issues can turn into costly breakdowns. If you suspect a problem, addressing it quickly can save you from a freezing home and expensive repairs.

If you notice unusual signs, it might be time for heating repair in Marlborough, NH. Let’s review the most common warning signs that shouldn’t be ignored.

Reduced or Uneven Heating Throughout Your Home | Heating Repair in Marlborough, NH

Have you noticed that some rooms are toasty while others feel cold?

Uneven heating can signal a failing system.

This could be due to:

  • A clogged air filter restricts airflow.
  • A malfunctioning thermostat misreading temperatures.
  • Blocked vents prevent warm air from circulating correctly.

If you adjust the thermostat constantly, your heating system might need professional attention.

Strange Noises Coming from the Furnace

A sound heating system runs quietly, so it’s a red flag if you start hearing odd sounds. Different noises can indicate different problems:

  • Banging or booming – This could mean a gas buildup in the burner, which is dangerous.
  • Squealing or screeching – This might indicate a worn-out blower motor or belt.
  • Rattling could mean loose parts that need tightening before they break entirely.

Strange sounds rarely fix themselves, so it’s best to call for heating system repair before the issue gets worse.

Increasing Energy Bills Without Explanation

If your heating bills are climbing without an increase in usage, your system may be working harder than it should. This often happens due to:

  • A failing component causing inefficiency.
  • Poor insulation forcing the system to overcompensate.
  • An aging system nearing the end of its lifespan.

Catching this early can save you money on repairs and energy costs.

Frequent Cycling On and Off | Heating Repair in Marlborough, NH

Does your furnace turn on and off more often than usual? This could be due to:

  • A dirty or failing air filter.
  • A malfunctioning thermostat sends incorrect signals.
  • An overheating system shuts itself down as a safety precaution.

A professional heating repair in Marlborough, NH, can diagnose and fix the issue before your system stops working.

Unusual Smells Coming from the Vents

When you first turn on the heat, a brief burning smell is typical, but persistent or strange odors are not. Pay attention to:

  • Musty smells – There could be mold in your ducts.
  • Burning plastic or electrical smells – This might indicate overheating components.
  • Rotten egg odor – This could be a gas leak requiring immediate attention.

Never ignore odd smells, as some can pose serious health risks.

No Heat at All

If your heating system is running but not producing warm air, possible causes include:

  • A faulty pilot light or ignition system.
  • A broken thermostat failing to communicate with the furnace.
  • A clogged or damaged heat exchanger.

This is one of the most urgent problems and often requires immediate heating system repair to restore warmth to your home.

Don’t Wait Until It’s Too Late | Heating Repair in Marlborough, NH

Your heating system is crucial for your comfort and safety during cold months. Ignoring the warning signs can lead to complete breakdowns and costly emergency repairs.

If you’ve noticed any of these issues, it’s time to schedule heating repair in Marlborough, NH, before things get worse. A professional inspection ensures your system runs efficiently, keeping you warm all winter.

Keating Plumbing and Heating ensures reliable heating repairs with expert technicians who quickly diagnose and fix issues.

Contact us today.