Sample interview questions: Can you explain your knowledge of different types of water heaters used in residential plumbing systems?
Sample answer:
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Conventional Storage Water Heaters:
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Have a storage tank that continuously heats water and keeps it ready for use.
- Available in electric, gas, and oil models.
- Electric models use heating elements, gas models use burners, and oil models use combustion.
- Can provide a continuous supply of hot water if the tank is large enough to meet demand.
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Can be energy-efficient if properly sized and maintained.
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Tankless Water Heaters:
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Heat water on demand, eliminating the need for a storage tank.
- Available in electric, gas, and propane models.
- Electric models use heating elements, gas models use burners, and propane models use combustion.
- Provide an endless supply of hot water as long as there is a demand and a fuel source.
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Are more energy-efficient than conventional storage water heaters.
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Solar Water Heaters:
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Use solar energy to heat water, reducing reliance on traditional ene… Read full answer
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