Home Design Guides: Energy efficiency, Insulation

• Reduces heat transfer very effectively
• Excellent acoustic insulation
• Costs much more than single glazing

• Improves solar and thermal control
• Reduces UV transmission
• Relatively expensive
• Can reduce solar heat gain in winter

Insulation can make a big difference to how long your bathtub is able to retain its heat, and as a result, might also significantly affect your gas or electricity bills.

Walls can play a big part in how energy efficient a house is - particularly in terms of how much heat they absorb and release.