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Hvac
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Why?
Energy recovery ventilation
What is the efficiency of an ERV system?
The efficiency of an ERV system is 100%
The efficiency of an ERV system is 70-80%
The efficiency of an ERV system varies depending on the product
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Why?
Energy recovery ventilation
What is the difference between an Energy Recovery Ventilator (ERV) and a Heat Recovery Ventilator (HRV)?
An ERV can only transfer sensible heat
An HRV can only transfer latent heat
An ERV can transfer both sensible and latent heat
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Why?
Energy recovery ventilation
What is the purpose of an Energy Recovery Ventilator (ERV)?
To cool the indoor air
To heat the indoor air
To exchange energy between the exhausted and incoming air
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Why?
Heating, ventilation, and air conditioning
What is the difference between mechanical/forced and natural types of ventilation?
Mechanical/forced ventilation is more energy-efficient than natural ventilation
Mechanical/forced ventilation uses fans or other mechanical systems, while natural ventilation does not
Mechanical/forced ventilation is more expensive than natural ventilation
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Why?
Heating, ventilation, and air conditioning
What is the process of exchanging or replacing air in any space to provide high indoor air quality?
Heating
Cooling
Ventilation
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Why?
Heating, ventilation, and air conditioning
What is the goal of HVAC?
To provide lighting in an enclosed space
To control the temperature, humidity, and purity of the air in an enclosed space
To provide sound insulation in an enclosed space
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