Inside the real-world headaches, maintenance procedures, and wins of Variable Refrigerant Flow (VRF)/ technology.

Read the instructions and wiring diagram that came with your new thermostat, and keep them handy throughout the next steps. Using a small screwdriver, remove the wires from the terminal block. Make ...

When you turn off your car, shouldn't everything in your car stop? That's true for most things, but it's normal for your ...