Replacing your furnace can be a major expense, but also a great long-term investment.

By upgrading to an energy efficient furnace, you will save on your monthly energy bill, and reduce your impact on the environment. Below is a checklist to help you identify the warning signs that you may need a new furnace.

Age of Your System
A modern furnace has a typical lifespan of around 15 to 20 years, however technology advances quickly, and so has the energy efficiency of new furnaces. It’s advisable to consider shopping for a new more energy efficient one at around the 15-year mark. Review the energy efficient rating on your current furnace, you may qualify for federal and provincial rebates which encourage homeowners to upgrade to ENERGY STAR® certified products.

Your energy bills and equipment repairs are steadily increasing
Older less efficient furnaces work harder to produce heat, and as a result, your energy bills and repair costs steadily increase. If you see your HVAC repair man more than your friends, it’s time to consider replacement. it’s also important to keep your family safe; problems with your furnace can lead to health issues from carbon monoxide, dust and dander.

Rooms are Heating
Unevenly As a furnace gets older, it can become more and more inefficient until it loses the ability to distribute heat evenly throughout the house. As a result, some rooms can be colder than others.

Is Your Furnace Making Strange Noises
Older, inefficient furnaces can be noisy, but if that noise gets louder over time, then you may want to consider a replacement. Possible telltale signs can come in the form of:

Rattling
This can indicate unsecured ductwork, or even the lower furnace motor not being properly balanced.

Popping
This happens when parts inside of your furnace heat and cool in response to temperature changes.

Humming: Your fan motor is probably going to make a bit of noise, but if it’s to the point of disruption, you might need a furnace blower motor replacement.

Screeching/Squealing: Can indicate the blower motor or inducer is damaged or worn out. It could also be caused by a loose bearing, deteriorating belt, or an issue with the pulley holding the belt. 

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If you have noticed any of the above signs from your furnace, it’s time to speak with an HVAC contractor to discuss replacement options. When thinking about a replacement, you may also consider renting your equipment. There are an increasing number of companies that include the convenience of maintenance, cleaning, and emergency service as part of the monthly rental cost, saving you in both the short and long term.