DIY HVAC Projects You Should Never Try at Home


Your HVAC, or Heating, Ventilation, and Air Conditioning systems can be seen as vital to the smooth operation of your home.

Of course, as with most equipment, there will come a time when it doesn’t work in the way you want it to.  That’s when it can need repairing and you may be tempted to have a go yourself. But, the simple fact is that these systems can be dangerous and it is best to call a specialist in industrial air conditioning. They will be able to assess the issue and fix it faster than you will. In fact, it may even cost you less using a professional!

Carbon Monoxide

You have probably heard of this gas before. It is silent, invisible, and deadly. When you are exposed to carbon monoxide it will slowly poison your body, resulting in balance issues, severe headaches, and emotional issues. In extreme cases, it can cause death.

Unfortunately, carbon monoxide will often come into your home via a fire that is not burning cleanly or a similar HAVC issue. That’s why you should never undertake the following HVAC projects:

Thermostat Change

It can seem like a simple job but it is invariably one that goes wrong. In principle, you disconnect the wires from your existing thermostat and then pop the replacement in its place.

However, in reality, it is rare to get exactly the same thermostat and you may end up with one that doesn’t connect or talk to your system properly. This results in needing the professionals to resolve the issue for you.

Blocking A Vent

It can seem like a sensible and simple solution, block a vent in a specific room to reduce cold airflow. In fact, you may even think you are saving yourself money on the energy bill. However, your Ac will still produce the same amount of air, it just won’t have anywhere to go. This will increase the pressure on all the joints in the system and the motor itself as the air needs to go somewhere.

The result is a shortened life expectancy of your unit, potential burst vents, and you are still likely to see an increase in your energy bill!

Clean The Condenser

It makes sense to clean the condenser. After all, the cleaner it is the easier the air will flow through and the more efficient the unit will be. However, blasting your outdoor condenser coils with your hosepipe is more likely to damage them, rendering the unit unusable. That will give you an expensive repair bill.

Installing A New Fire

You shouldn’t install a new electrical fire as this goes against regulations and gives you the chance of an electric shock. The same is true for any type of wood-burning fire as this, if installed incorrectly, could release carbon monoxide into your home, which is definitely not a desirable outcome.

In short, before you start any HVAC project you should spare a moment to consider whether you should really be doing the project or if it is better to let the professionals handle it.


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