Q1. 💡 What percentage of most Americans' total annual energy bill does the HVAC system account for? 🤔
- 10 to 15 percent
- 20 to 25 percent
- 30 to 35 percent
- 40 to 55 percent
Answer: 20 to 25 percent
Q2. 🌡️ Which system is more efficient for heating in moderate climates? 🤨
- Resistive heaters
- Heat pumps
- Electric furnaces
- Hydronic systems
Answer: Heat pumps
Q3. 🏠 What does the Coefficient of Performance (COP) refer to in heat pumps? 🔍
- The efficiency of cooling
- The efficiency of heating
- The efficiency of insulation
- The efficiency of ductwork
Answer: The efficiency of heating

Quiz: Home energy systems and efficiency

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