9 Signs of Heater Issues

August 24, 2023

9 Signs of Heater Issues

Though you can’t predict when a furnace will stop working, there are usually signs that indicate the furnace needs immediate attention. Here are a few signs every homeowner should recognize with heater issues.

1. Odd noises

If the furnace is making popping, squeaking, banging, squealing, or other odd noises, then the unit needs repair. Each type of sound corresponds with a particular issue and should be evaluated by a trained HVAC technician.

2. Thermostat malfunctions

Trouble with the thermostat could indicate blown fuses, loose wiring, or tripped circuit breakers. If the temperature set on the thermostat doesn’t match the indoor temperature, then there could be an issue with the furnace or the thermostat itself. Call Roger The Plumber for a professional inspection and repair.

3. Increased energy bills

If energy bills have shot through the roof but you haven’t seen a change in performance from the furnace, there could be an issue with the ductwork. On the other hand, if energy costs have increased but the furnace is struggling to heat the home as well as usual, there may be underlying issues with the system.

4. Dusty air

If the air filter is clogged, the HVAC system may struggle to clear the air like usual. You may end up with dusty or dirty air.

5. Frequent cycling

If the furnace is slow to start up or is cycling on and off without heating the home, the issue may be poor circulation, clogged filter, or issues with the thermostat.

6. Yellow pilot light

A yellow pilot light could indicate a carbon monoxide leak. Contact Roger The Plumber for immediate service and turn off the HVAC system.

7. Pooling water

If water is pooling around the heater, the cause could be a clogged condensate line. You’ll need professional HVAC service to address this issue.

8. Foul odor

If you smell a gas odor after turning on the heater, there may be a gas leak. Shut down the system immediately and call the local gas company to shut off your home’s gas supply. Then, contact Roger The Plumber for professional HVAC service.

9. Weak airflow

Issues with the fan, belt, or motor could cause weak airflow. These parts may need to be repaired or replaced to restore proper circulation.

Read on for some of the most common furnace issues and how to address them.

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Last Updated: July 15, 2024