Like any appliance, you might face a furnace malfunction anytime. Numerous furnace problems can arise and cause big messes.

Some require professional help, others you can try and fix it yourself. However, for that you need to be properly aware of the problem, you must diagnose right to provide effective treatment.

Here, in this article, we will pinpoint some of the most common furnace problems along with the guidance to repair them.

Let’s hop on to the ride:

1.     Problems with the Thermostat:

Believe it or not, the majority of the homeowners report problems related to thermostats. Whether the thermostat fails to functions or is not properly set on heat.

You must set your thermostat on heat and at least five degrees above the room temperature for it to function properly.

Here are some of the ways you can check and fix the thermostat problems:

Step 1: Check the thermostat’s battery. Your thermostat’s batteries may need to be replaced. If your thermostat is powered by batteries, make sure you replace them at least once a year or as needed.

Step 2: Once you open the thermostat, gently blow and dust or debris that might be causing the clog.

Step 3: On electronic or programmable types, double-check the date and time, as the system may be set on a timer.

Step 4: Keep an eye on the breaker, if it is on turn it off and check the fuse for the furnace.

2.     The furnace is not heating:

If you feel like your furnace is not heating then it means something needs to be inspected and fixed for it to function properly.

The first thing you need to do is check if the thermostat is set on heat or not. Then, try moving the dial-up or down a few degrees to check if a noticeable difference is felt.

If you still find no result, check to see if the circuit breaker or fuse might be stripped down or blown. It is better to hire a furnace replacement or repair company for a better solution.

3.     Safety Switch on Furnace Door:

According to The Heaven World, one of the first things you should do if your furnace isn’t working is to check the safety switch on the furnace door. While the access panel is removed, a furnace door safety switch stops the fan and burner from turning on.

When the door is removed from a furnace, a safety switch pops out.

For the switch to be activated and the furnace to run, the door must be closed.

Here is how you fix it:

Step 1: Shut the power off

Step 2: Prep the blower door

Step 3: Wire the safety switch

Step 4: Check and test the installation

4.     Furnace Does Not Blow Air:

Another common problem reported by homeowners is that their furnace does not blow air.

It could be due to various reasons but what you need to do is to look from the inspection window on the furnace to make sure that the blower is clear of debris.

There should be a flashing light whether red or green.

 It’s fine if the light is green; if it’s red, call for help. If there is no light, the thermostat, blower motor, run capacitor, furnace control board, or transformer may be the source of the problem.

You can always call a professional for furnace repair or AC replacement.

5.     Check Electric Ignition or Pilot Control:

Lastly, check for electric ignition or pilot control.

A malfunctioning ignition system, such as those found on thermocouple furnaces, can drastically limit the furnace’s capacity to heat the home properly. Your pilot light may go out due to draughts or obstructions in your heating system.

If try to fix it yourself but if the problem persists call for a professional to provide you Furnace repair or Air Conditioner replacement if required.

Final Thoughts:

Once you are aware of the furnace problems, you can always deal with them or call a professional specialized in furnace services and AC replacement.