Discover why the common wire is crucial for modern WiFi thermostats and learn three reliable workarounds if your home lacks one.

We analyze real-world data to determine if smart thermostat energy savings justify the upgrade cost in 2026. Learn about ROI timelines, hidden HVAC benefits, and how devices like the Sensi Touch 2 impact your bills.

We're pitting the top three smart thermostat brands-Sensi, Nest, and Ecobee-against each other to see which one truly delivers the best blend of smarts, savings, and usability in 2026.

Ready to upgrade your home's climate control and slash energy bills? This step-by-step guide walks you through a DIY smart thermostat installation, from shutting off power to connecting the C-wire and configuring your new device for maximum savings in 2026.

Stop overpaying for heating and cooling with an outdated thermostat. We've rigorously tested the top smart thermostats of 2026 to find the models that actually save you money and simplify home climate control.

Get a clear picture of residential solar system prices for 2026. This guide breaks down every expense, from hardware and installation to the incentives that can drastically lower your final cost.

A head-to-head showdown between the two dominant solar panel technologies. We break down efficiency, cost, and durability to help you choose the right panel for your home in 2026.

A complete beginner's guide to residential solar power in 2026. Learn how home solar panels work, understand the essential components, and discover how to choose the right system for true energy independence.

Breaking analysis of the 2026 grid storage surge. From California's capacity milestones to new thermal efficiency standards, we break down how utility-scale batteries are reshaping energy reliability.