Some advanced technologies can save a lot of electricity. They cost more to implement but pay for themselves over time. If you are willing to spend the money you can reap significant rewards. Sometimes you have to spend money to save money.
Heating and Cooling
Insulate your walls with injected foam insulation to keep hot outside air from seeping through porous walls.
Insulate your roof with spray-on foam. Though expensive, this will save you 30% or more on your electric bill.
Get an energy-efficient heat pump and you could cut your heating costs in half.
Convert your water heater to solar. This will reduce the water heating part of your electric bill at least 30%.
Install high-performance windows, screens and films to protect upholstery, wood and artwork from UV rays while saving energy.
Eliminate "hot spots" in your home by using High-performance windows, solar window screens and qualified window films.
Consider high-performance windows before you replace your air conditioning system. They’re so efficient that they may help reduce the size and cost needed for a AC system.
Install high-performance windows with double-glazing and spectrally selective coatings that reduce heat gain and avoid cranking up your AC.