6 Common Causes of Central Heating Breakdowns

Central heating is a must-have for most households, especially in colder seasons, and it is important to maintain it properly to avoid any unexpected breakdowns. Regular maintenance of the central heating system can help prevent damages and avoid costly repairs. 

In this article, we will go over six common causes of central heating breakdowns and provide useful information to help avoid them.

Lack of Regular Maintenance and Inspections

Like any other home appliance, it is essential to get your central heating system checked regularly, and failing to do so can lead to some significant problems. Regular maintenance helps identify potential issues before they become serious breakdowns that could cost you thousands of dollars in repairs. 

During maintenance, a heating repair technician can check the system for any leaks, clean the coils, replace filters, and ensure the system is running correctly.

Faulty Thermostat

A thermostat is the central element of any central heating system, and if it malfunctions, your heating system won’t be able to regulate the temperature in your home. If you notice that your home’s temperature is not regulated correctly, you should immediately check your thermostat. 

A faulty thermostat can cause your heating system to work continuously, which can lead to higher energy bills and the possibility of a breakdown.

Clogged Filters

Filters are an essential part of your central heating system as they help to clean the air before it is heated and circulated throughout the house. If your air filters become clogged, it can restrict airflow, causing your heating system to work harder than it should, leading to possible breakdowns. 

Regularly checking and replacing filters can help to avoid this problem by ensuring that there is optimal airflow through your heating system.

Low Refrigerant Level

The refrigerant in your central heating system is essential for keeping your home warm and comfortable. A low refrigerant level can cause your system to run inefficiently or even shut down entirely, leaving you without heat in the middle of winter. 

A low refrigerant level can be caused by leaks, improper installation, or simply just old age. It is important to call a technician to inspect your system if you suspect that it has a low refrigerant level.

Leaking Pipes

Pipes that are leaking can cause significant problems for your central heating system. Leaks can reduce the efficiency of your heating system as the liquid within the system can mix with the water used for heating. 

The result is that your central heating system will have to work harder to heat water, which can eventually lead to a system breakdown. Regular inspections can help detect leaks early, and it is essential to call a technician promptly if you notice any signs of a leak.

Poor Installation

A poorly installed central heating system is more prone to breakdowns due to faulty wiring or other mechanical issues. A poorly installed system can also result in higher energy consumption and, subsequently, higher utility bills. 

Ensure that you hire a reputable technician to install your heating system and that they follow industry standards to minimize the chances of a breakdown.


In conclusion, regular maintenance and inspections of your central heating system are vital in preventing breakdowns and ensuring an efficient system that will last for many years. 

Knowing the common causes of central heating breakdowns and taking necessary precautions could save you a considerable amount of money on repairs or even a full system replacement.

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