There are HVAC system issues wherein you can resolve it even on your own right away. However, other HVAC problems trigger emergency HVAC service OKC since it is too dangerous to handle yourself.

It is important to distinguish if our HVAC system, including the furnace unit, needs prompt HVAC repair to avoid life-threatening situations. Here are some examples of furnace emergencies that you may encounter in the future.

Electrical issues in the household.

Electricity powers the essential systems in our house, including the HVAC system. It should be working correctly to avoid causing damage to our home appliances. And if you notice the flickering of lights when the furnace unit turns on, there might be a problem with your electrical system. 

According to the National Fire Protection Association, electrical malfunctions were the second leading cause of household fires from 2012 to 2016. Electrical issues are hazardous; that’s why it should be fixed only by professionals. 

Strange noises from your furnace.

It is normal for a running furnace to produce slight sounds. However, if the noise is too loud and alarming, then there is something you might want to check with your furnace unit. Popping noises could mean thermal expansion; rattling noises are a sign of loose panels; squealing noise could indicate a faulty furnace belt. While these furnace issues do not cause an alarm, it is still necessary to have your furnace get inspected by an HVAC technician. 

On the other hand, if you noticed grinding sounds coming from your furnace, call for HVAC service OKC immediately since it could be an indication of motor bearings issues and could cause further damage to the whole unit.

Constant On and Off of the HVAC system

When you notice that your furnace turns on and off quickly, it means that it has a rapid cycle. This issue could come from different reasons but try to fix it first by changing your air filter, especially if you haven’t replaced the air filter for some time now. And if it does not solve the problem, you have to call for a professional HVAC repair OKC. 

Unpleasant Odor like smells of rotten eggs and sulfur

You have to secure your family and leave the house quickly if you smell rotten eggs, gas, or sulfur coming out from your furnace. This HVAC emergency could be life-threatening and must be fixed by a professional as soon as possible. Do not try to touch anything or turn off your electricity if you notice these unpleasant smells from your furnace. Go outside and call for an emergency HVAC repair right away.


Part of the HVAC system is the furnace, which gives us warmth during cold days. As long as our furnace was correctly installed, furnaces should be working properly without any problems. But it does not mean that it won’t encounter system issues from time to time. That’s why you must have the right knowledge when to call for help from HVAC professionals like Southwest Mechanical Contractors at 405-632-3381.

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