3.4 Cost Effectiveness Matters

Question 1

What might environmental costs include for the cost effectiveness of an electrical appliance?

Answer 1

The removal or disposal of old equipment and environmental taxes

Question 2

Name 2 ways people can reduce their energy bills

Answer 2

• buy new and more efficient appliances

* install materials designed to reduce energy wastage

Question 3

What is the payback time of an electrical appliance?

Answer 3

The time it takes for an appliance or installation to pay for itself in terms of energy savings

Question 4

Name 6 factors that affect cost effectiveness

Answer 4

• the cost of buying the appliance
• the cost of installing the appliance
• the running costs
• the maintenance costs
• environmental costs
• taxes