Skip to content
hvac system

Share This Post

The HVAC system is in charge of regulating the temperature and air quality of your house or workplace to ensure a comfortable atmosphere. However, like any other mechanical system, it requires regular maintenance to operate at its best. If you don’t take care of your HVAC system, it can need expensive repairs or perhaps break down completely. 

Some of the typical indications that your HVAC system requires maintenance will be covered in this article.

Unusual Noises

If you hear unusual noises from your HVAC system, it means that there is a problem that requires your attention. Some of the common noises include grinding, squealing, banging, or rattling. 

These noises can be caused by loose components, worn-out parts, or a malfunctioning motor. If you ignore these sounds, it can lead to further damage to the system, resulting in costly repairs.

Poor Airflow

If you notice that your HVAC system is not heating or cooling your home as effectively as it used to, it may be due to poor airflow. If the air filter is clogged, ductwork is blocked, or the blower motor is not working properly, there can be a lack of proper airflow. 

If you do not address this issue, it can cause your HVAC system to work harder than it needs to, leading to higher energy bills.

Strange Odors

If you detect an unusual smell emanating from your HVAC system, it may suggest a significant issue. Some of the common smells include a musty odour, which can be caused by mould growth in the ductwork, or a burning smell, which can indicate a faulty electrical component. 

If you smell gas, it is a sign of a gas leak, which can be dangerous and requires immediate attention.

High Energy Bills

Your HVAC system may not be operating effectively if you see a significant rise in your energy costs. A soiled air filter, congested ducting, or a broken component could be to blame for this. 

By addressing these issues, you can lower your energy bills and improve the performance of your HVAC system.

Poor Air Quality

If you or your family members suffer from allergies or respiratory problems, poor air quality can worsen their symptoms. Poor air quality can be caused by a dirty air filter, mold growth, or a malfunctioning air purifier. 

By addressing these issues, you can improve the air quality in your home or office and reduce the risk of health problems.

Short Cycling

If your HVAC system is turning on and off frequently, it is a sign of short cycling. A broken thermostat, a clogged air filter, or a defective component could be to blame for this. Your HVAC system may wear down more quickly as a result of short cycling, which could result in expensive repairs or total failure.

Uneven Temperature

If you notice that certain rooms in your home or office are significantly warmer or cooler than others, it can be a sign of an HVAC system problem. 

Uneven temperature can be caused by a malfunctioning thermostat, blocked ductwork, or a faulty component. This can cause discomfort and inconvenience for you and your family members or employees.

Age of the System

If your system is more than ten to fifteen years old, it may be time to consider a replacement. Older systems are more prone to breakdowns and require more frequent repairs. 

Investing in a new, energy-efficient HVAC system can save you money on energy bills and provide you with better comfort and air quality. An HVAC expert can assist you in determining whether it is necessary to replace your equipment.


Your home or office’s HVAC system is crucial and needs consistent upkeep to perform at its optimal level. By paying attention to the signs mentioned above, you can detect issues early and avoid costly repairs. 

It is crucial to get in touch with a qualified HVAC specialist to assess and fix the problem if you observe any of these symptoms. With proper maintenance, your HVAC system can provide you with years of reliable service and comfort.

Are you looking for a reliable HVAC maintenance service in Oshawa? Fortis Heating & Air Conditioning is a locally owned and operated HVAC Company that offers a range of services, including inspections, repairs, installations, and recommendations. 

We serve families in Oshawa and beyond, all the way to Cobourg. Contact us today to schedule your appointment!

More To Explore

bg_people copy



From Now until August 31/2024