Insulating your home can prevent heat from escaping in winter and from heat leaking inside in summer. By installing insulation wall batts, you can decrease your energy bill by up to 20%. Increase you homes energy efficiency even further by insulating your external walls, internal walls, ceilings, underfloor, and between floors. The best time to install insulation is during the constructions phase or a renovation project. Insulation can also control moisture and water within your home.