A malfunctioning furnace is one of the most unpleasant things any homeowner can experience during the winter. It is essential to look out for indicators of a faulty furnace to avoid substantial repair costs. Here are some common signs that indicate your furnace has problems in Johns Creek, GA.

A Faulty Ignition Control

Your home will get no heat or get intermittent heat if your furnace’s ignition control is not working properly. Hot surface ignition systems and electronically controlled ignition systems are the most common furnace ignition controls.

A hot surface ignition system may develop problems due to excessive electric current, a dirty air filter, improper handling or a faulty igniter.

Electronically controlled ignition systems, on the other hand, may develop problems due to a faulty control module, inadequate power, loose connections or a broken spark electrode. A defective thermostat also can cause an electronically controlled ignition system to malfunction.

Poor Airflow

If your home does not receive sufficient airflow, you are more likely to experience problems with your furnace. The furnace may lose efficiency if the ductwork and/or vents have any leaks or obstructions. Consider replacing your filter monthly to keep your system in top-shape performance.

Your blower can also be clogged, causing your furnace to work inefficiently. A red flashing light in your blower indicates that debris has blocked it. Consider calling in your technician for repairs before the issue gets out of hand.

Unusual Noises

Sometimes your furnace can produce pinging, popping or rattling noises. Loose panels may cause the furnace to make rattling noises while popping and pinging noises usually indicate issues with the ductwork.

A Faulty Blower Belt

A blower belt is an essential component of your furnace’s fan. Like any other mechanical part, this belt may break, causing your furnace to produce a sharp squealing sound. Replacing this belt increases the performance and efficiency of your furnace.

Our highly qualified team at Pruitt Heating & Air, Inc. has been providing top-notch HVAC services to homes in Johns Creek, GA, for years. Visit our website to learn more.

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