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1: On average, how much energy in a commercial building is consumed by HVAC systems?

20-30%

1: On average, how much energy in a commercial building is consumed by HVAC systems?

30-40%

1: On average, how much energy in a commercial building is consumed by HVAC systems?

40-50%

2: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?

Nothing happens

2: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?

It causes the system to restart

2: What can happen if the NPSHa is lower than the NPSHr in an open loop circuit?

It can cause cavitation

3: What do solar shading devices do?

They lower the heat ingress in a building's glass, reducing the overall heat load

3: What do solar shading devices do?

They convert solar rays into heat that can be stored

3: What do solar shading devices do?

They help to ensure optimal positioning of the thermal barrier

4: What does thermal mass mean?

It means that a building is capable of storing heat

4: What does thermal mass mean?

It is the heat generated by lighting and people among other factors

4: What does thermal mass mean?

It is another way of saying the building envelope