Having hot water for showers and dish washing is certainly a joy that makes off-grid feel as luxurious as on-grid, yet without utility bills or fossil fuels. Where I live, summer sunshine is abundant, ...

Your average hot tub is connected to a gym, pool or public spa. Sure, it's nice in a pinch, but the presence of strangers can really ruin the vibe. What you need: a personal hot tub. And ideally one ...