Imagine: It's the middle of summer and your air conditioner is working overtime to keep your home cool and comfortable. Suddenly, you notice water pooling around your HVAC unit. Before long, a musty ...

Yes, it’s possible to install a heat pump on your own to save money. You’ll probably still need some professional help – as in an electrician, not a psychiatrist to counsel you when you wonder what ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...