Saving Energy Flashcards
1
Q
What are things that transfer and waste or loss energy called?
A
Sinks
2
Q
What is payback time?
A
The money you’ve saved on energy bills will equal the initial cost
3
Q
How is payback time calculated?
A
Initial cost divided by annual saving
4
Q
What are some ways to save energy and to insulate a building?
A
Loft insulation Cavity walls and insulation Draught- proofing Thick curtains Double glazing Hot water tank jacket
5
Q
What do thermograms do?
A
They show where a house is leaking
6
Q
What is a thermogram?
A
A picture taken with a thermal I magic camera
7
Q
What do the hotter parts show up as on a thermogram?
A
White, yellow and red
8
Q
What do the cold parts show up as on a thermogram?
A
Black, darn blue and purple
9
Q
What are things that emit energy called?
A
Sources
