Heater Repair: Most Common Heating Problems

There are many components of a Heating and Cooling system. Sometimes these components fail and your system may experience a breakdown. While some system failures can be avoided by routine maintenance and routine filter changing, a component of your system may fail at any time. 

Breakdowns during cold winter months are frustrating. Why do these breakdowns occur? Let’s look at some Common Heating issues that may occur with your HVAC system. 

Lack of Preventative Maintenance

In order to help keep your HVAC system running smoothly and efficiently, routine maintenance for your system is highly recommended. With regularly scheduled maintenance by an HVAC professional, you can help to avoid or prevent a breakdown. Many typical issues are caused by a lack of maintenance. A complete heating and cooling system can cost thousands of dollars. Repairs due to lack of care can be costly. Investing in routine maintenance is an investment into the life span of your HVAC system. 

Plugged Filters

One of the most manageable tasks you as a homeowner or business owner can do to help extend the life of your system is to replace your filters regularly. A plugged filter will restrict airflow. This causes your system to work harder to be able to circulate air throughout your home. Ensuring your system filters are cleaned or replaced is a simple task that will save you money in the future. 

The Furnace Is Not Producing Heat

Heater systems blowing cold air is one of the most common service calls we receive during the winter months. Problems with your pilot light or a dirty detector on your gas furnace could cause this problem. Dirty or clogged air filters could be a reason your heat system is producing colder air. Problems with the gas supply would also cause this dysfunction, as well as damaged air ducts. A knowledgeable HVAC technician will be able to diagnose and repair these issues safely. Always call a professional when you are dealing with dangerous or hazardous situations like electrical components and gas. 

Pilot Light Issues and Ignition Problems

Ignition troubles may stem from various sources. A clogged pilot, flame sensor, or burner could lead to a pilot outage, short cycling, furnace lockout, or delayed burner ignition. It could also be due to a gas supply issue or a worn ignition part, such as a cracked hot surface ignitor element or thermocouple. It is safest to have a trained technician take care of these issues, as they involve hazardous elements like natural gas and high voltages.

Faulty Thermostat

Thermostats come in many different sizes, shapes, and brands. Thermostats can be either programmable or non-programmable. Some thermostat issues are as simple as replacing the batteries in your programmable thermostat. If you have a new thermostat, it could be wired incorrectly or not programmed correctly. The temperature could also be out of calibration. A qualified, knowledgeable HVAC professional will be able to diagnose and repair these issues. 

Noises from Furnance

Normal operation may create some noises, while others may be warning of a malfunction. A whining motor can mean failing motor bearings in the inducer motor or blower motor, requiring replacement. Airflow or burner dirtiness may also be culprits. Don’t overlook these signs; they may signify a dangerous condition or cause a breakdown. Having your furnace replaced is the only solution in some cases. 

Fuses and Breakers

A tripped breaker or blown fuse can be the result of many different issues occurring in your HVAC system. The most likely cause of a tripped breaker is an overworked blower. If your system has airflow restrictions (dirty air filter), the blower is having to work even harder to keep up with the system’s demands. With increased energy to the blower, this might cause the breaker to trip. Assure your system has clean filters before attempting to flip the breaker back on. Apart from dirty filters, leaks in your air ducts or dirty coils may also cause your blower to overwork. 

Blower Not Shutting Off

If your blower is continuously running, there could be multiple reasons. If your thermostat fan switch is on, your blower will not shut off. This is something you need to check before calling an HVAC company. Assure your blower fan is set to “auto.”

A faulty or malfunctioning thermostat could be one of the culprits. Shorted thermostat wires or an older thermostat that needs to be replaced could cause your blower not to shut off. 

Other reasons: 3 amp fuse is blown, Tripped flame rollout, Tripped low-pressure gas switch, or a bad fan limit switch. 

Reliable Furnace Repair Lafayette, LA

Trust the professionals at PARISH COOLING AND HEATING for all of your HVAC needs this winter. If you are experiencing issues with your heating system, give us a call at 337-591-5929 or visit our website to learn more.  

From furnace repairs to replacements, the reliable HVAC professionals at Parish Cooling and Heating are your number one choice. 


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