Basic Furnace Troubleshooting Guide: Keep Your Furnaces Running Smooth

Furnaces are an essential part of keeping your home warm, especially during the winter months. But sometimes they can have problems that need to be fixed. If you are reading this article, chances are that your furnace is not working correctly. This might seem like a minor issue but it could actually be quite serious if left unchecked. Furnaces need regular maintenance in order to keep running properly and efficiently. This article will cover how to troubleshoot furnace issues and keep them running smoothly!

What is a Furnace?

Furnaces are what you rely on in order to heat your home. They’re like an oven, but instead of baking things, they release warm air into the house through vents or a central heating system that can be found throughout the building. In fact, most homes have several furnaces! When one furnace has issues it’s important to know how to troubleshoot and repair them quickly so everything is working properly again as soon as possible.


Troubleshooting tips to Keep Your Furnaces Running Smooth

Clean the filters regularly to keep it running efficiently

If you really want to keep your furnace running smoothly, it’s important to keep it clean. Furnaces can have an accumulation of dust on their filters, which can lead to reduced heating efficiency and increased energy costs. To clean the filters on your furnace regularly, simply pull them out and rinse them off with water or purchase a new one if they’re too dirty.

It’s also a good idea to have someone inspect your furnace for maintenance issues at least annually. This is especially important if you live in an area where you experience significant weather changes like cold snaps or hot spells. A good inspection will help detect problems before they become major (and expensive) ones!


Check the thermostat settings before you turn on the heat or air conditioning – make sure they are set correctly

When you’re getting ready for winter or summer, it’s always a good idea to check the thermostat settings on your furnace. If they are not set correctly, the furnace might not be able to heat up or cool down the house quickly enough! Usually, there are only two thermostat options people make mistakes with – too cold or too hot. If it is set too cold, you will need to increase the temperature using the plus button on the screen. But make sure you double-check that you have also increased how long your furnace will run for! The opposite mistake can be made if your thermostat is set too high – then you’ll want to decrease the temperature setting on the screen by pressing the minus button.


Keep vents clear of any debris so that heated/cooled air can circulate throughout the house more effectively

Most homes have vents to help distribute air throughout the house. If you have blocked or clogged air vents, it can make it difficult for hot or cold air to circulate through your home. This means the furnace might not be able to provide efficient heating or cooling for your home! Make sure you keep your furnace vents clear of any debris, so that heated/cooled air can circulate throughout the house more effectively and your furnace doesn’t work as hard.


Make sure that your chimney is clear of debris before starting up your furnace for winter

If you have a chimney attached to your furnace, it’s important to make sure that the area around the chimney is clear of debris before starting up your furnace for winter. This will help prevent fire hazards and reduce stress on the furnace by allowing the heated gases to flow out of the vent without being obstructed.


Ensure there are no leaks in the gas lines to your furnace by checking for corrosion on pipes and fittings

It’s also a good idea to check that there are no leaks in the gas line to your furnace by checking for corrosion on pipes and fittings. Leaks can cause a fire hazard and prevent the furnace from heating or cooling efficiently, so it’s important to get them fixed right away if you see any. Always call a professional technician if you see signs of leaking: blackening of the pipe, leakage on the floor, wet spots, etc.


Inspect all electrical connections to make sure they are tight, including power cord plugs and wires connected to thermostat controls

One often overlooked but crucially important inspection is checking the electrical connections. Electrical connections are often the cause of many issues with furnaces. Make sure power cord plugs and wires connected to thermostat controls are tight to minimize risks of fire and reduce furnace fatigue.


Important thing to keep in Mind

Always wear protective gear when working with furnaces, including gloves, goggles, and earplugs. It is one of the most important safety guidelines to follow when troubleshooting your furnace is to always wear protective gear. This includes gloves, goggles, and earplugs. There are also other hazards that you need to avoid when troubleshooting your furnaces such as tripping over or getting too close to any exposed wires or coils. Whenever you’re working with furnaces you should always be aware of what’s around you and take the necessary precautions for your own safety.


Not Confident enough?

Have a professional check out your furnace every year for safety and efficiency purposes. If you’re not confident that you can identify specific issues or don’t know how to address them, call a professional HVAC service provider. They can give you a thorough inspection and make any modifications or repairs as needed. Also, having a professional check out your furnace every year will ensure that you’re getting the best efficiency and safety from your unit.



Furnaces can be a significant investment and repairing or replacing them if necessary is not cheap. It’s important to take good care of your furnace so that it runs smoothly throughout its lifetime and you don’t have to pay for unplanned repairs or replacements. Keeping your furnace in good working order can save you a lot of time and money, so it’s always best to be proactive about keeping them running smoothly!

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