Efficency

Question 1

How to reduce heat loss in house in walls

Answer 1

Breeze block and bricks have cavity with insulating material which has low thermal conductivity

Question 2

How to reduce heat loss window

Answer 2

Double gazed windows have a low thermal conductivity

Question 3

How to reduce heat loss loft

Answer 3

Loft insulation low thermal conductivity reduces rate which energy passes through

Question 4

What does more energy efficient mean?

Answer 4

A higher percentage of the power input is usefully transferred