CHI Heating, Ventilation, & Air Conditioning (HVAC) Inspection

Question 1

What is the purpose of the condensate drain in an HVAC system?

Accepted Answer

Remove condensed water

Answer

The condensate drain removes moisture collected from the evaporator coil to prevent water damage and system malfunction.

Question 2

Which component of an HVAC system is responsible for cooling the air?

Accepted Answer

Evaporator coil

Answer

The evaporator coil absorbs heat from the air inside the building, allowing the air to cool as it passes over the coil.

Question 3

What is the recommended location for a home thermostat?

Accepted Answer

On an interior wall away from vents

Answer

Thermostats should be placed on interior walls away from direct sunlight and vents to get accurate readings.

Question 4

Which refrigerant is commonly used in modern residential HVAC systems?

Accepted Answer

R-410A

Answer

R-410A is widely used in residential systems due to its efficiency and lower environmental impact compared to older refrigerants like R-22.

Question 5

What is the function of the air filter in an HVAC system?

Accepted Answer

Filter out airborne particles

Answer

Air filters trap dust, pollen, and other airborne particles to improve air quality and protect the system from damage.

(CHI) Certified Home Inspector Practice Test