Your No Heat Checklist: What To Do When The Heat Goes Off

March 29th, 2016 by admin

No one wants to lose their heat during the cold months of the year, but it does happen from time to time. There are many reasons why the heat would stop working inside your home and when it does happen, it’s up to you to figure out what might be causing the problem at hand.

Troubleshooting these problems can be difficult without the help of a professional. However, there are a few things you can do to see if it’s something you can handle on your own or to prepare for the professional to get there.

So, what do you do when the heat goes off?

1. Check the Power

First, make sure there hasn’t been a power outage in your home, neighborhood, or city. This is the easiest diagnosis of the problem, but it can also be the most difficult to work with. If there is a power outage, you should always be prepared with winter emergency essentials to hold you and your family over until it comes back on.

2. Check Your Thermostat

While this may seem like an obvious step, it’s also an important one. Make sure that your thermostat is working, set to the “Heat” position, has the desired heat set, and that if it’s batteries are working if it requires batteries.

If you use a forced air furnace, you can check to see if the fan is running by:

  • Switching control to furnace fan
  • Turn fan to “ON”
  • Wait to see if you can hear the furnace fan come on

If the fan from the furnace doesn’t turn on, go to a supply register (vent) and check to see if you can feel any air moving through the system. If there is air, but it’s not warm, that can be a strong indicator that there is an error in your system that needs professional attention. If there is no air at all, there may be no power going to the furnace.

3. Electrical Furnace Check

There are some heating and cooling systems that use built-in emergency shutoff switches that trigger when a door or service panel is removed. The heat in your home may be interrupted by the door not being properly replaced after being opened for a scheduled maintenance or other reason. Check all doors to makes sure they are fitted.

If the heat still isn’t working, the emergency switch just may be activated. Most systems have a basic on-switch that you can reset the furnace to get the heat flowing again.

4. Check Your Ignition

The ignition in your furnace may be firing. If this is the case, you can find out by checking:

  • Do you have fuel in your unit?
    • inspect the fuel level to make sure there is ample amounts of fuel. If fuel needs replaced, you may have to reset the system.
  • Is the pilot light out in your gas furnace?
    • If the pilot light has gone out, follow the instructions that should be on your furnace to relight it. If you’re having issues or don’t see instructions, call a professional to assist you.

5. Check Electrical Panel

While you may have already checked to make sure there was no power outage in your home or neighborhood, you still should check the electrical panel. Locate the breaker in your home for the furnace and heating system. Ensure that they are not tripped or blown. Simply reset the breaker to the “ON” side.

If you keep tripper your fuse or breaker, an expert may be needed to come out and troubleshoot any issues that may be happening in your home.

6. Check For Other Problem Areas

There are many other reasons why you could be experience lack of heat from your system:

  • Clogged or blocked air filter
  • Loose or broken fan belts
  • Broken/stuck motors
  • Broken gas igniter

If you’re having issues with your heating and cooling system, we’re here to help. Our JK Mechanical experts know the importance of providing your family heat to your home. If you need assistance in troubleshooting a problem, our 24/7 hotline is available for your use.



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