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Great questions to ask an HVAC job applicant

Ask Questions - Get AnswersIf you are looking for a good and reliable technician for your team, you must take some time and prepare a comprehensive job interview for the applicants. The interview should have several sections with questions related to different aspects:

  1. Theoretical questions, involving specific terminology and focus on the customer service. Examples:
  • What is the difference between air conditioning and comfort cooling?
  • What is central air system and why is it different from a heat pump?
  • Do you have experience with the installation of a commercial refrigerator or cooler?
  • What is a CAV system?
  • What is a VAV system?
  • Can you explain the reason for using a compressor in refrigeration?
  • What is dual duct system?
  • What is air-water (hydronic) system?
  • What is vapor compression cycle and how does it work?
  • What is auto refrigeration?
  • How does a refrigerant compressor work?
  • Do you know the reason why the capacity of an air conditioner is measured in tons?
  • What is BTU?
  • What is CFM & infiltration?
  • As a HVAC technician, what are your main job duties?
  • Do you know the types of air conditioning systems?
  • What is the purpose of an AHU?
  • What is an air conditioner condenser?
  1. Questions asked to reveal details about the background of the prospective employees (education, skills, experience, previous jobs…)
  2. Questions about the future (career, financial expectations)
  3. Questions about personal qualities, strengths/weakness etc.