Furnace Troubles? Find Reliable Repairs Near You

February 8, 2025

In this guide, we’ll explore furnace not heating troubleshooting, signs of common issues with gas furnaces, and how to find the best furnace repairs near meto restore your home’s comfort quickly.

1. Thermostat Malfunctions

One of the simplest but often overlooked causes of furnace problems is a faulty thermostat. If your furnace isn’t heating properly, check your thermostat settings first:

Ensure it’s set to “HEAT” mode.
Verify the temperature is set higher than the current room temperature.
Replace the batteries if it’s a battery-operated model.

If adjusting the thermostat doesn’t resolve the issue, you may need a replacement thermostator have a connection problem that requires professional repair.

2. Dirty or Clogged Air Filters

A clogged air filterrestricts airflow, causing your furnace to overheat and shut off prematurely. Homeowners in Elkhart, Granger, and surrounding areasshould, in general, replace their filters every 1-3 months, especially during peak heating season if you are using 1″ filters. For more information on filters, check out our post about Choosing the Right Air Filter for Your Home.

Signs of a dirty air filter:

Weak airflow from vents
Higher energy bills
Increased dust in the home

3. Pilot Light or Ignition Problems

Gas furnaces rely on a pilot lightor an electronic ignition systemto start the heating process. If your furnace won’t ignite, here are possible reasons:

A dirty or faulty thermocouple(prevents gas flow)
A clogged pilot orifice(prevents ignition)
A malfunctioning ignition sensor

Because these involve working with gas, it’s best to call a certified HVAC technicianin Mishawaka or South Bendfor repairs.

4. Blower Motor Issues

The blower motoris responsible for distributing warm air throughout your home. If you hear strange noises or notice weak airflow, your blower motor could be failing.

Troubleshooting Steps:

Listen for unusual sounds like rattling or squealing.
Check for a tripped circuit breaker.
Ensure the fan setting is on “AUTO” instead of “ON.”

If the blower still isn’t working, a professional furnace repair technician near youcan inspect and replace the motor if needed.

5. Clogged or Leaky Ductwork

Even if your furnace is running, leaky or clogged ductscan prevent heat from reaching your rooms. Signs include:

Cold spots in certain areas of your home
Higher-than-normal energy bills
Dust buildup around vents

A professional HVAC inspection can identify air duct issuesand seal leaks to improve your home’s efficiency.

6. Limit Switch Malfunction

Your furnace’s limit switchcontrols when the blower turns on and off. A faulty limit switch can cause:

The blower running constantly
The furnace cycling on and off irregularly
Overheating issues

If you suspect a bad limit switch, it’s time to contact furnace repair professionals in South Bend or Elkhartfor diagnostics and repairs.

7. Gas Line or Fuel Supply Problems

For gas furnaces, an interruption in the fuel supply can lead to heating failures. Common causes include:

Closed gas valves(check if the main gas valve is open)
Gas leaks(a rotten egg smell indicates a leak—call your utility company immediately!)
Low gas pressure(requires a licensed technician to adjust)

If your gas furnace isn’t heating properly, it’s best to call a qualified HVAC technicianin Granger, Mishawaka, or South Bendfor inspection.

8. Aging or Worn-Out Furnace Components

If your furnace is over 15 years old, it may be struggling to keep up with heating demands. Older systems often experience:

Frequent breakdowns
Decreased energy efficiency
Higher repair costs

At some point, replacing your furnace may be more cost-effective than continuing repairs. If you’re considering a new furnace installationin Elkhart, Granger, or Mishawaka, a professional HVAC consultation can help you find the best solution.

When to Call a Professional for Furnace Repairs

While some furnace problems can be resolved with simple troubleshooting, others require expert attention. If you’re experiencing ongoing heating issues, searching for furnace repairs near mecan connect you with reliable technicians who can diagnose and fix the problem efficiently.

Call a professional if you notice:

No heat despite adjusting the thermostat
Unusual noises (banging, rattling, or screeching)
Short cycling (furnace turns on and off too frequently)
A sudden spike in energy bills

Get Expert Furnace Repairs in South Bend, Mishawaka, Granger & Elkhart

If your furnace is struggling to keep up with Indiana’s cold winters, Goff Heating & Air Conditioningis here to help! Our expert technicians specialize in furnace not heating troubleshooting, gas furnace repairs, and complete system replacements.