2.3 heating and insulating buildings

Question 1

What is used to heat houses?

Answer 1

Electric and/or gas heaters and gas or oil fired central heating or solid fuel stoves are used to heat houses

Question 2

How can the rate of energy transfer from houses be reduce?

Answer 2

Loft insulation, cavity wall insulation, double glazed windows,aluminium foil behind radiators, external walls with thicker bricks and lower thermal conductivity

Question 3

What is cavity wall insulation?

Answer 3

Cavity wall insulation is an insulation material that is used to fill the cavity between the two brick layers of an external house wall