Hot water represents as much as 25 percent of the cost of heating, hot water and electricity costs, according to the Department of Energy, and much of it is wasted. If you're buying a water heater, choose an Energy Star model or a tankless or solar water heater. These more advanced systems are expensive to buy, but they eliminate your hot water costs. If you have a hot water heater already, consider turning the temperature down, so the tap water isn't so hot, and wash your clothes in cold water, says "The Daily Green."
8. Make Your Own Green Cleaning Products (Estimated Cost Savings: $200 or more)
Cleaning products -- from dishwasher and laundry detergents to all-purpose, window, toilet bowl and tile cleaners -- are surprisingly expensive. But most can be replaced with home-made remedies, using baking soda, vinegar and lemon juice. Go to "The Daily Green" to find out how you can make your own green cleaners.
9. Make Natural Beauty Products (Estimated Cost Savings: Up to $180)
A recent survey estimated that the average woman spends $180 on beauty products annually. Many products can be made at home without any of the chemicals found in most store-bought products, using ingredients like avocado, yogurt, eggs, oatmeal and sea salt, , says "The Daily Green." Find 10 DIY natural beauty recipes here.
10. Use the Library (Estimated Cost Savings: $118)
Going green and saving money can be as easy as taking a trip to the library. The average American family spends an average of $118 on books, magazine and newspaper subscriptions per year, says "The Daily Green." But you can save that money by borrowing books from a library, and save space too.
11. Switch to Energy-Efficient Lighting (Estimated Cost Savings: $112)
According to the Daily Green, lighting represents about 11 percent of a home's energy bill — $210 annually on average. To waste less energy, replace old light bulbs with energy-efficient compact fluorescent bulbs, light emitting diodes, or halogen lights, which can save you up to 75 percent on your yearly lighting bill, says "The Daily Green."
12. Plug Electronics into Power Strips (Estimated Cost Savings: $100)
You want your television and your computer to work as soon as you turn them on. But while you're out and about, these electronics are plugged in and not being used, running up your electric bill. Plug everything into one power cord that you can switch off when you leave the house, making it easier to save money and go green, says "The Daily Green."
13. Line Dry Your Clothes (Estimated Cost Savings: Up to $85)
The clothes dryer is one of the biggest energy-consuming appliances in the house. You can save the money you would spend on operating your clothes dryer by hanging your clothes out to dry or laying them on a clothing rack. These green alternatives are also much less taxing on your clothing, making your clothes last longer, says "The Daily Green."
14. Compost (Estimated Cost Savings: $30-$60)
By composting kitchen scraps and lawn waste, you can create nutrient-rich soil from your garbage, saving you money on fertilizer, and cutting down on the amount of waste you produce. Your garden and lawn will thank you for it, says "The Daily Green."
15. Fix Water Leaks (Estimated Cost Savings: $20)
The squeaky wheel may get oiled, but a leaky faucet can waste about 3 gallons of water a day, and a leaky toilet can waste 22 gallons. This can add up to $20 a year, says "The Daily Green." While it may not seem like much, fix these leaks now. You will save yourself money … and the annoyance of a dripping faucet.