HVAC Dangers and How To Avoid Them

Heating Ventilating and Air Conditioning (HVAC) is a system finding broad applications areas such as factories, shopping malls, hospitals where living space and energy consumption are concentrated. Depending on the structure of the buildings, the energy consumed for the HVAC constitutes 15% to 60% of the total power. For this reason, the optimization of HVAC systems is critical concerning energy efficiency. HVAC systems aren’t used only in big buildings, but also in our houses. But there are some HVAC signs showing HVAC dangers. Here’re the details:

Odd Noises

You shouldn’t ignore if you hear weird noises coming from your HVAC unit. Sounds such as a grating, grinding, squealing or any other kind can signify a problem as one of the HVAC dangers. Sometimes a repair is enough, but in some cases, you may need to replace your HVAC unit not to happen again.

Reduced Indoor Airflow

For a healthy environment at home, the most essential component is the high-quality indoor air. Realizing your indoor air quality is becoming worse, the HVAC signs are a sign of warning in your HVAC system. You can recognize the symptoms including a headache, cough, airway infections, mental fatigue or irritations of the throat, nose, and eyes. In this case, you urgently need to ask for professionals about it.


This is one of the most vital HVAC signs to find out the HVAC dangers earlier. Noticing visible leaks from the HVAC unit beforehand will help you understand that there’s something wrong.

To be counted as HVAC signs there are various reasons for leaks. And as being one of the HVAC dangers, puddles cause mould buildup and slipping hazards. The first thing you need to do is to trace and see where the leak’s coming from. If it’s coming from insulation foam, just replace the foam and follow up whether there will be leak again. If there’s another reason you can’t find out, call your local HVAC professional.

Age of the HVAC System

Having HVAC system that is 10-year old or more, you’re likely to have HVAC signs showing HVAC dangers. You must consider replacing it. Also, researches show that the HVAC systems today are 60% more efficient than the ones made at least 10 years ago.


Unusual Smells

•    Electrical/Burning Smell:

These occur by the motor and other components inside the unit. Either way, the electrical fires are dangerous. Considering AC unit smells like burning or if you feel burning smell from ac immediately cut off all power.

•    Rotten Egg Smell:

This is one of the HVAC signs showing a natural gas leak. As soon as you recognize AC gas leak, you should call for professionals and evacuate the home not to return until the problem is addressed.

•    Mouldy/Musty Smell:

Typically this is the result of mould and depending on the potential for moisture to escape from the unit, it’s possible for fungus to accumulate and grow. Mould isn’t safe to breathe, that’s why directly contact a professional to investigate and clean the air ducts.

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