What are some ways to prevent heat energy loss in matter?

Use less heat in your house.

Explanation:

You have blankets in your house, huddle up for a good movie together.

Simple ways to reduce heat loss include

Heat loss through windows can be reduced by using double glazing

Heat loss through walls can be reduced using cavity wall insulation

Heat loss through the roof can be reduced by laying loft insulation

Explanation:

a:

by the combination of an unlimited number of elements