As Fall Approaches, Get Familiar with the Top Heater Issues

The heating season’s still some time away, but it’s never too early to think about the top heater issues that might affect your household comfort, budget, and/or safety. Nearly half the homes in the United States utilize a gas-fired furnace — and with good reason: Gas is economical, and gas furnaces typically deliver reliable service for up to 20 years or more.

However, like all mechanical devices, any heating or cooling system may present certain issues under certain circumstances. Here are the top heater issues that might be encountered during the cold months that are just ahead.

Clogged air filter.

Of the top heater issues, this one’s the only DIY task. Replace the furnace air filter at least every other month. Buy quality pleated-cotton or polyester filters with a MERV (Minimum Efficiency Reporting Value) of 8 to 11 for optimum airflow and energy efficiency.

Electronic igniter failure.

If the furnace doesn’t start up when the thermostat signals for heat, a defective igniter may be the culprit. Typically, igniters have a five- to seven-year life span. Replacement by a qualified HVAC service technician is a fast, affordable fix.

The furnace shuts off soon after it starts.

“Short cycling” can result from a defective flame sensor, obstructed airflow, overheating internal furnace components, or a thermostat problem. It’s one of the top heater issues that also includes potential safety concerns, so get professional service ASAP.

Slipping blower fan belt.

This is one of the top heater issues that’s hard to ignore. You’ll hear a high-pitched squeaking, particularly when the furnace first cycles on. This likely means that the furnace’s blower fan belt is worn and slipping. Replacement and adjustment by a service technician is required.

Furnace limit switch.

This component turns off the blower fan at a certain interval after the burners turn off. If the furnace blower runs continuously, even when the unit isn’t heating, a defective limit switch may be the issue. Get diagnosis by a qualified HVAC repair representative.

For qualified professional service to resolve any of the top heater issues this winter, contact Paitson Bros.. We’ve been keeping indoor comfort reliable and affordable every winter since 1922.

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