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Question

Why is regular maintenance of HVAC systems considered a medium ECO?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

It decreases the system's energy consumption.

The correct answer is Option 3: It decreases the system's energy consumption.

Regular maintenance of HVAC (Heating, Ventilation, and Air Conditioning) systems is classified as a medium ECO (Environmental Conservation Opportunity) primarily because it leads to significant energy savings. A well-maintained HVAC system operates more efficiently. This efficiency translates directly into lower energy consumption and reduced utility bills. Neglecting maintenance, on the other hand, can lead to decreased efficiency, increased energy use, and higher operating costs.

Let's examine why the other options are incorrect:

  • Option 1: It increases the cost of energy. Incorrect. Maintenance might have a small upfront cost, but the long-term savings from reduced energy consumption far outweigh this.
  • Option 2: It speeds up system breakdowns. Incorrect. Regular maintenance actually helps prevent breakdowns by identifying and addressing potential issues before they become major problems.
  • Option 4: It prevents overheating of the system. While regular maintenance contributes to preventing overheating, it's not the primary reason it's considered a medium ECO. The main benefit from an environmental perspective is the energy savings.

In summary, regular HVAC maintenance improves efficiency, leading to lower energy consumption and a reduced carbon footprint, which is why it is considered a medium ECO.

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