Never DIY Furnace Repairs

Your furnace is one of your home’s most significant investments. It provides reliable and efficient heat, especially during the colder months. However, like other appliances, it will inevitably face wear and tear from daily use, which requires regular furnace repair. 

Sometimes, you may feel tempted to fix it yourself because it could help save you some money. Unfortunately, that’s not the truth. Technicians strongly discourage attempting to DIY a furnace repair because it involves complex and potentially dangerous work. On the other hand, licensed professionals have the proper knowledge and experience to safely and repair these systems. 

This article enumerates five reasons you’re better off leaving the furnace repairs to the professionals. 

1. DIY Repairs Will Void Warranties

Sometimes, your furnace’s components may malfunction, and it’s the producer’s fault. Fortunately, they can make amends by reimbursing the costs of the part as specified in the guarantee. It can help determine if you need to buy a new heater or retain your existing one. 

However, if you attempt to DIY your furnace repair, you might void your warranty. Several warranties restrict what actions you can take to fix an issue. They may also not allow you to resolve your broken heater if you’re not a licensed professional. Otherwise, the warranty may no longer be valid. 

2. Gas Lines Are Dangerous

Gas furnaces are a great way to heat a home because they’re safe to use if you let someone install them correctly. It’s incredible to think that something simple as piping gas into your property and lighting it up can create heat and keep your home comfortable during the cold months. 

However, it’s also crucial to remember that your gas lines can still encounter problems, even after installation. Unfortunately, some homeowners don’t realize this until it’s too late. For this reason, we always recommend working with a professional. They have the proper knowledge and experience to repair your furnace’s lines to prevent errors that could lead to a hazardous gas leak. 

3. They May Lead to Early Replacements 

Any DIY furnace repair attempts can result in more frequent repairs and replacements. If you want to ensure your heating system lasts longer, it’s best to ask a professional to fix it. A reputable technician will have the right tools and experience to diagnose and resolve the issue correctly. 

4. Increased Risks of Electrical Hazards

Safety should always be your utmost priority when handling your home’s significant appliances. Unfortunately, most DIY projects don’t guarantee this, especially if you have no background knowledge of your device’s wiring system and other electrical components.

Even a minor frayed wire can spell a dangerous situation if you don’t handle it correctly. Electric shocks are also a real risk when working with an HVAC system. For your safety and everyone’s sake, it’s always best to call the professionals for your furnace repair. They know what safety precautions to take, like shutting off the power and using non-contact voltage detectors to check metal components. 

They also have the foresight and tools to protect themselves from electric hazards.

5. Bad Repairs Cause Bad Accidents

Attempting a DIY furnace repair on your gas-burning component can lead to accidents like house fires, carbon monoxide leaks, and gas line damage. You can protect yourselves and your property by hiring a reputable technician.


Your furnace will encounter problems, primarily if you use an outdated one and you don’t service it regularly. While DIY projects can help save money now, they will lead to more severe consequences later. Letting a professional handle the furnace repair can help you enjoy a warmer home during the cold months. Legacy Heating & Cooling offers Annual Maintenance Plans to take care of your heating and cooling systems.

Legacy Heating provides reliable furnace repair in Edmonton and Calgary to help homeowners stay warm during the cold season. Contact us now to get a free quote!

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