There are several ways one can improve the energy efficiency of Marco Island luxury homes. Specifying Energy Star rated appliance is an easy one. Using gas appliances versus electric can make a dramatic difference, especially if you are using an on demand gas water heater. There are several options related to your insulation and HVAC system that can greatly reduce your electric bill. Installing LED lights is another easy way to increase the efficiency of your home – it can even be done as a retrofit. A 6” recess can in LED may only draw 4-5 watts versus 60-75 watts of a traditional incandescent light.