There are some furnace issues you can take care of on your own, light relighting the pilot light if you have a gas-powered furnace or changing out the air filter. There are other types of repairs and situations though where you should call in a professional to take care of your furnace. The key is to know what type of situations require the assistance of a professional.
Time #1: Strange Smells
If your system doesn't smell right, and you notice that strange smells are coming out of your system, that could be a signal of a few serious issues. If you have a gas furnace, strange smell could be a sign that you have a gas leak. If you notice a strange smell with a gas furnace get out of your home as quickly as possible, call for emergency services, and then call an HVAC contractor to come and repair your furnace.
If you notice a strange smell, such as hot metal or burning rubber, there is a strong sign that a moving part inside of your furnace is worn down. In that situation, you want to get your furnace looked at as soon as possible to prevent further damage, and you may want to stop using your furnace until you can get it looked at.
Time #2: Strange Sounds
Your furnace is not going to operate silently. Over time, you will become accustomed to the sounds your furnace makes. If you notice your furnace making some new strange sounds, that is often a sign that something is broken inside and needs repairs.
Although you could try to take things apart and find what is causing the sound, you are going to be better off hiring a professional, who is more familiar with the strange sounds a furnace makes and can quickly pin-point and take care of the issue.
Time #3: Strange Blowing Pattern
Your furnace should run for a standard length of time and turn off for a time equal or greater to the amount of time it was running. If your furnace is turning on and off quickly, that is usually a sign that your furnace is starting to fail. The sooner you contact a repair person, the sooner they can step-in and make repairs that will prevent your furnace from completely failing.
If your furnace is emitting a strange smell, making odd sounds, or engaging in a strange blowing pattern, you need to bring in a professional to address the issue. These are all serious issues, and as soon as you notice them, you should schedule a repair appointment with your local furnace expert.
If your furnace is showing any of these signs, make sure to contact a furnace repair professional near you.