Popsugar Living Sustainability How to Make Your Home More Environmentally Friendly 20+ Ways to Help the Environment With a More Eco-Friendly, Efficient Home 18 July 2019 by Elle Taylor View On One Page Photo 2 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Insulation If you're looking to save heat and energy, then insulation could be the route for you. Given that heat rises, insulating your loft is the first step. It can pay for itself within just a couple of years, thanks to the energy you'll save. Another smart move is to fill cavity walls with insulation, as homes without it are losing almost as much heat as those without insulated lofts. Previous Next Start Slideshow SustainabilityMoney Saving TipsEnergyLife HacksEnvironment