EER Rating (Energy Efficiency Ratio) is a standard measurement used in the heating and cooling industry to show how efficiently an air conditioning unit works. Think of it like a miles-per-gallon rating for cars, but for air conditioners. The higher the EER number, the more energy-efficient the unit is, which means lower electricity bills for customers. This rating is particularly important when comparing different air conditioning systems or when contractors need to meet specific building codes and energy standards.
Installed and maintained AC units with EER Rating of 12 or higher
Certified in evaluating EER Rating and Energy Efficiency Ratio for commercial HVAC systems
Advised clients on energy savings using EER measurements and comparisons
Typical job title: "HVAC Technicians"
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Q: How do you explain EER ratings to customers who are comparing different HVAC systems?
Expected Answer: A senior technician should be able to break down EER ratings in simple terms, explain cost savings over time, and provide real-world examples of energy savings based on different ratings.
Q: What factors can affect an HVAC unit's EER rating in real-world conditions?
Expected Answer: Should discuss installation quality, maintenance, climate conditions, unit sizing, and how these factors can impact actual efficiency versus rated efficiency.
Q: What's the difference between EER and SEER ratings?
Expected Answer: Should explain that EER measures efficiency at a single operating point, while SEER measures seasonal efficiency, and when each measurement is most relevant.
Q: What's considered a good EER rating for commercial equipment?
Expected Answer: Should know current industry standards, minimum requirements for different building types, and be able to explain why higher ratings might be worth the investment.
Q: How do you calculate an EER rating?
Expected Answer: Should be able to explain the basic formula: cooling output divided by power input, and understand what the resulting number means.
Q: What are the minimum EER ratings required by current energy codes?
Expected Answer: Should know basic minimum requirements for residential and commercial equipment in their region.