Heating up your water can account for up to 25 percent of your energy bills. Make sure you're following the most efficient steps with your water heater system. Consider the following tips:

An Introduction to Energy-Efficient Appliances
101 Low-Cost / No-Cost Home Energy-Saving Measures
Side-by-Side Testing of Water Heating Systems: Results from the 2009-2010 Evaluation
Moving Toward Zero Energy Homes in California: "Green" House Effect Makes Sense in the Golden State
Top 10 Winter Energy Saving Tips
Energy-Efficient Lighting: Top trends
An Introduction to Energy-Efficient Appliances
Water-saving tips that can also save money
How to choose eco-friendlier paint
Steps to improving your indoor air quality
Rainwater Harvesting
Rain Barrel Fact Sheet
Rain Barrel Fact Sheet
How To Make Your Own Rain Barrel
Water-saving tips that can also save money
Conserving Energy & Heating Your Swimming Pool with Solar Energy
Green Home Credits and Rebates
Solar Hot Water for Your Home
Homebuilder's Guide to Going Solar
Cooking With the Sun
Uponor: Water for Life, Plumbing for a Lifetime
Stance Bathroom Faucet Collection
The Bold Look of Kohler: In the Kitchen
HDPE (High Density Polyethylene) Pipe
Hydrotect from TOTO - Makes Surfaces Easier to Clean