4 tips of what to do when your furnace won’t turn on

4 tips of what to do when your furnace won’t turn on


A furnace is the mechanical device that heats your entire home. Through the use of recycling air, it circulates warm air throughout your home, with the use of a duct system. The maintenance of your furnace is integral in its ability to function effectively. The effects of a furnace lacking proper maintenance can be seen through a rise in electric bills, a change in air quality, a lack of proper heat distribution, and a slew of other issues. In this article we’ll discuss and help you to know what to do when your furnace won’t turn on.

In your times of need, HVAC is here to serve you, and provide guidance in resolving the issues you may take upon yourself. The range of required repairs can vary. What happens when your furnace refuses to turn on? In some cases, a simple fix may do the trick – other times may require a trained eye. This is why it’s always best to consult a professional furnace repair service in Richmond Hill for all inquiries. But in case you try to resolve the issue, the following is a list of tips to simplify your troubleshooting.


  1. Change Clogged Filter

When is the last time you had your filters changed? This is an aspect of maintenance that most tend to overlook.

One of the most common issues found in furnaces, stems from having clogged filters. Over time, with the circulation, and the recycling of air – filters begin to wear. Unchecked, this buildup of dust, and other foreign objects will worsen over time. This can have a significant impact on the furnace, and its ability to function correctly.

In a perfect world, furnace filters are to be changed every three months. In the case that you haven’t changed it, we suggest that you take this as your first step. Not only is it beneficial for your own respiratory health, it will assist in the reliability of your furnace. When your furnace struggles to work efficiently, it will cause a toll on your energy bill, while degenerating the overall function of the furnace itself. Changing your filters at the appointed time is not only good in that immediate moment, but it also creates longevity for the furnace.

Changing your filter is simple:

  • Power off your furnace.
  • Locate your furnace filter.
  • Determine your filter size, based on the model of your furnace.
  • Remove and replace the filter.
  • Power on your furnace.


  1. Reset The Furnace

Have you tried resetting the furnace? If not, let’s take you through the process.

Resetting the furnace is simple. The process may differ depending on your model. In most instances, there will be a small yellow or red power button on the side of the blower motor. Once you press that button, the furnace will reset itself. In the case where you aren’t able to locate the power button – disconnect the furnace from the power source, and reconnect it.

A short may also be the case. Faced with a short circuit, there isn’t much you can do on your end. Being that there are technical requirements to handling this repair safely, If your furnace shuts off without warning, and/or without interference, there’s a high likelihood that you have a short. The best option would be to contact to a professional HVAC technician.

Though a repair from our specialists may be the best step – a temporary fix such as unplugging and plugging the device may be effective in the short term. In other cases rotating the power cable may also help it function correctly.


  1. Check The Thermostat

4 tips of what to do when your furnace won’t turn on

Turn up the heat. Quite simple, but in the case that you aren’t getting any power at all – this may do the trick.

It’s important to note the importance of the relationship between your thermostat and your furnace. The thermostat is not only tasked with changing the temperature in your home, but it is also responsible for measuring room temperature.  The troubleshooting of the thermostat is often overlooked. In the case that the thermostat malfunctions, it may not be able to determine the temperature in the household; therefore rendering the furnace inactive. Faced with this issue, control the temperature manually.

If the furnace isn’t heating as it once did, be sure to confirm your thermostat’s settings. You may need to raise the heat above the typical setting for the furnace to turn on again. Understand that this is also a short term fix, and our repair services are able to ensure that this isn’t a long lasting issue.


  1. Circuit Breaker Overload

Have you checked the breaker box?

If by any chance, your furnace isn’t showing any signs of life, make sure the breaker is set to power. There are many reasons for the circuit breaker to trip. The most common cause stems from an overload. Are there several devices drawing power from the same energy source? If so, not only should you reset the breaker lever – it would be beneficial to shift some of those devices to draw power from elsewhere. All of this will ensure that this doesn’t happen again.

It’s important to note that all of these issues are common and fixable. These are merely tips that can prove to be serviceable to you in the case that the problem is minor. If the issue persists beyond the use of these tips, it would be in your best interest to contact HVAC repair services provider in your area. They will make sure to check your furnace and fix it. In some cases, it’s impossible to repair the furnace, so you might need to buy and install a brand new equipment. We hope this article helped you to know what to do when your furnace won’t turn on.

Thank you for reading 4 tips of what to do when your furnace won’t turn on

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