Saving Energy Flashcards
0
Q
What word is given to things that transfer, waste or lose energy?
A
Sinks - eg windows, computers
1
Q
What is name given to something that emits energy?
A
Sources eg. radiators
2
Q
List 6ways of insulating your home to save energy
A
Loft insulation Hot water tank jacket Double glazing Thick curtains Draught proofing doors and windows Cavity wall insulation
3
Q
What do you have to consider before paying for expensive insulation?
A
You might die or sell house before you get the money back
4
Q
How do you calculate savings for insulation?
A
Subtract annual saving from initial cost repeatedly to get payback time in years
5
Q
What do thermograms show?
A
Where house is leaking heat
Picture taken with thermal imaging camera
Hot = white, yellow, red
Cold = black, blue, purple
