Q: Based on our water bills, my family uses lots of water and much of it is probably hot water. Is there a simple solar hot water system design that I could build myself? A: Heating water can account ...

What if you could harness the power of the sun to generate your own energy—right in your backyard? Imagine a system so efficient it could heat water, power small appliances, or even serve as a backup ...

Get expert advice on improvements to your home, including design tips, how much you'd expect to pay for a pro and what to ask ...

After eight months of living with DIY solar, I've become obsessed. I've spent countless hours staring at energy data, ...