Geothermal and Heat Pumps

Question 1

What is main heat source for heat pumps?

Answer 1

Solar energy, NOT geothermal energy even though they are sometimes referred to as geothermal devices.

Question 2

What do coefficient of performance and heat output of pump vary upon?

Answer 2

Condenser and evaporator temps.

Question 3

What is the formula used for electrical power consumption of heat pump?

Answer 3

Qe=Qo/COP

Question 4

Name some potential problems with heat pumps.

Answer 4

1. Increased strain of electricity network with significant take up.
2. Poor performance if incorrectly installed.
3. Failure of installation and poor performance in low temperatures.