Good COP, Bad COP

2. What is the name of the lowest temperature at which a heat pump can continue to heat a home without help from an auxiliary heat source?

3. True or False: In a study from 1990, heat pumps were demonstrated to be LESS efficient than electric baseboard heating in terms of kilowatt-hours per square foot per year.

4. Which of the following can contribute to low savings when a customer switches to a heat pump from a furnace?

5. True or False: Insulation upgrades tend to have unpredictable results and lower realization rates.